Prospect Heights, IL

10:11 PM CDT on May 21, 2013 (GMT -0500)
Elev: 673 ft
Lon: 87.9° W
Lat: 42.1° N
Source
Rapid Fire Updates™
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News
May 21, 2013
See the facts and figures that defined the Moore, Okla. tornado.
May 21, 2013
EF5/F5 tornadoes are rare, but Moore has seen two of them in the past 15 years.
May 21, 2013
Wind, humidity and rainfall combined precisely to create the massive killer tornado in Moore, Okla. And when they did, the awesome amount of energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.
May 21, 2013
The search and rescue efforts are ongoing in Moore, Okla. after a massive tornado levelled the town and local schools.
May 21, 2013
The Moore, Oklahoma tornado showed up vividly on satellite and radar.
May 21, 2013
In the wake of Mondays devastating tornado that ravaged the town of Moore, Okla., survivors are likely to feel incredible shock and numbness.
May 21, 2013
Officials say a tornado hit a small hospital in suburban Oklahoma City, but all the 30 patients inside survived.
May 21, 2013
Obama has declared a major disaster in Oklahoma, ordering federal aid to supplement state and local recovery efforts. The president also spoke Monday with Oklahoma Gov. Mary Fallin and Rep. Tom Cole, whose home is in the heavily damaged town of Moore.
May 21, 2013
The answer lies in the level of the water table and the soil texture in Oklahoma and in states across the Plains.
May 21, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
May 21, 2013
Any time children are involved in a catastrophe, emotional reactions among survivors and across the nation are particularly strong.
May 21, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
May 21, 2013
Moore, Oklahoma is no stranger to devastating tornadoes.
May 21, 2013
A photographer who was among the first to arrive at an Oklahoma Elementary School after a tornado destroyed it, describes the heart-wrenching scene.
May 21, 2013
Check out this comprehensive timeline of the events that transpired in Moore, Okla.
May 21, 2013
A desperate search was underway by parents looking to find children after the massive tornado.
May 21, 2013
Glenn Lewis was the mayor of Moore, Okla., when the strongest tornado on record whipped the city in 1999, and he says the most recent storm won't deter the community from rebuilding.
May 21, 2013
Watch as a tornado survivor is interrupted in the middle of interview by a little dog digging out of rubble.
May 21, 2013
There are several agencies asking for donations to help those hit hard by the Oklahoma tornadoes.
May 21, 2013
More than a dozen children are dead in the devastating Moore, Okla. tornado.
Weather Summary
Weather Underground midday recap for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather began to fire up again across the nation's mid-section on Tuesday.

The nearly stationary low over the Northern Plains showed signs of gradual weakening as it shifted eastward toward the Mississippi River Valley on Tuesday, while the system's associated cold front trailed southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of north-central/northeastern Texas, southern Arkansas, northwestern Louisiana and far southeastern Oklahoma remained at moderate risk of severe thunderstorm activity as environmental conditions remained favorable for tornadoes, damaging wind gusts, and very large hail. In particular, substantial severe weather was expected across north-central Texas to the

ArkLaTex region this afternoon and evening. Areas surrounding this moderate risk region from the Southern Plains to the Tennessee/Ohio valleys and the Lower Great Lakes/Northeast remained at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes. In addition to severe storms, heavy rains created chances of flood and possible isolated areas of flash flooding from parts eastern Oklahoma through northern Arkansas.

Meanwhile, areas of heavy rain and widely scattered showers continued near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the inland areas of the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms picked up across the Mid-Atlantic and southeastern corner of the nation through the afternoon.
Weather Underground midday recap for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather began to fire up again across the nation's mid-section on Tuesday.

The nearly stationary low over the Northern Plains showed signs of gradual weakening as it shifted eastward toward the Mississippi River Valley on Tuesday, while the system's associated cold front trailed southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of north-central/northeastern Texas, southern Arkansas, northwestern Louisiana and far southeastern Oklahoma remained at moderate risk of severe thunderstorm activity as environmental conditions remained favorable for tornadoes, damaging wind gusts, and very large hail. In particular, substantial severe weather was expected across north-central Texas to the

ArkLaTex region this afternoon and evening. Areas surrounding this moderate risk region from the Southern Plains to the Tennessee/Ohio valleys and the Lower Great Lakes/Northeast remained at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes. In addition to severe storms, heavy rains created chances of flood and possible isolated areas of flash flooding from parts eastern Oklahoma through northern Arkansas.

Meanwhile, areas of heavy rain and widely scattered showers continued near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the inland areas of the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms picked up across the Mid-Atlantic and southeastern corner of the nation through the afternoon.

Prospect Heights Weather at a Glance

Updated 10:10 PM CDT
Elevation
682 ft
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Now
Partly Cloudy
Partly Cloudy
Temperature
72.7 °F
Feels Like 76 °F
Wind(mph)
0.0
Sunrise / Set
5:25 AM
8:11 PM
Moon
Waxing Gibbous
Tonight
Chance of a Thunderstorm 64 °F
Chance of T-storms
50% chance of precipitation
Tomorrow
Thunderstorm 73 °F
T-storms
60% chance of precipitation
Tomorrow Night
Chance of Rain 52 °F
Chance of Rain
50% chance of precipitation
Thursday
Chance of Rain 61 | 41 °F
Chance of Rain
50% chance of precipitation
Friday
Clear 63 | 37 °F
Clear
Saturday
Partly Cloudy 66 | 50 °F
Partly Cloudy
Tomorrow is forecast to be Much Cooler than today.
Conditions
Pressure
29.69 in
Visibility
10.0 miles
Clouds
Few 6000 ft
Moisture
Humidity
63%
Rainfall
0.05 in
Snow Depth
Not available.
METAR
METAR KPWK 220252Z AUTO 00000KT 10SM FEW060 23/14 A2970 RMK AO2 LTG DSNT SE SLP054 T02330144 51009
Don't speak METAR? Read our FAQ.
Weather Radio
Temperature
Heat Index
76 °F
Dew Point
59 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
0 out of 16
Pollen
4.40 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain in the evening, then overcast with a chance of a thunderstorm and a chance of rain. Low of 64F. Winds from the SW at 5 to 15 mph. Chance of rain 50%.
Wednesday
tstorms Overcast with thunderstorms and rain showers. High of 73F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Wednesday Night
nt_chancerain Overcast with a chance of rain. Low of 52F. Winds from the WNW at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Thursday
chancerain Overcast with a chance of rain in the morning, then partly cloudy with a chance of rain. High of 61F. Breezy. Winds from the North at 15 to 25 mph with gusts to 30 mph. Chance of rain 50%.
Thursday Night
nt_clear Clear. Low of 41F. Breezy. Winds from the North at 10 to 20 mph.
Friday
clear Clear. High of 63F. Winds from the NNE at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 37F. Winds less than 5 mph.
Saturday
partlycloudy Clear in the morning, then partly cloudy. High of 66F. Winds from the ESE at 5 to 10 mph.
Saturday Night
nt_mostlycloudy Mostly cloudy in the evening, then overcast. Low of 50F. Winds from the ESE at 5 to 10 mph.
Sunday
chancerain Mostly cloudy with a chance of rain. High of 64F. Winds from the ESE at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.6 in. possible.
Sunday Night
nt_mostlycloudy Mostly cloudy. Low of 48F. Winds from the ESE at 5 to 10 mph.
Monday
partlycloudy Partly cloudy. High of 73F. Winds from the East at 10 to 15 mph.
Monday Night
nt_mostlycloudy Overcast. Fog overnight. Low of 55F. Winds from the ESE at 5 to 10 mph.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 88F. Winds from the SE at 10 to 15 mph. Chance of rain 50%.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 64F. Winds from the South at 10 to 15 mph.
Wednesday
partlycloudy Partly cloudy. High of 88F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the SSW at 10 to 15 mph.
Thursday
partlycloudy Partly cloudy. High of 93F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the SSW at 10 to 15 mph.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 91F. Winds from the SSW at 10 to 15 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Saturday
clear Clear with a chance of a thunderstorm. High of 86F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Saturday Night
nt_clear Clear. Fog overnight. Low of 68F. Winds less than 5 mph.
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Nowcast as of 9:27 PM CDT on May 21, 2013
At 923 PM Doppler radar indicated a thunderstorm over Robbins... moving northeast at 25 mph. Wind gusts to 35 to 40 mph...moderate to heavy rain and occasional cloud to ground lightning will accompany this thunderstorm as it tracks northeast toward Lake Michigan.

Weather Forecast for Prospect Heights IL

View Calendar 10-Day Forecast for station KPWK

Wednesday, 22
Thunderstorm
73 | 52 °F
T-storms
Chance of
Precipitation
60%
Thursday, 23
Chance of Rain
61 | 41 °F
Chance of Rain
Chance of
Precipitation
50%
Friday, 24
Clear
63 | 37 °F
Clear
Chance of
Precipitation
10%
Saturday, 25
Partly Cloudy
66 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Chance of Rain
64 | 48 °F
Chance of Rain
Chance of
Precipitation
70%
Monday, 27
Partly Cloudy
73 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Chance of a Thunderstorm
88 | 64 °F
Chance of T-storms
Chance of
Precipitation
50%
Wednesday, 29
Partly Cloudy
88 | 68 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 30
Partly Cloudy
93 | 68 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 31
Chance of a Thunderstorm
91 | 68 °F
Chance of T-storms
Chance of
Precipitation
50%
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
tstorms Overcast with thunderstorms and rain showers. High of 73F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Wednesday Night
nt_chancerain Overcast with a chance of rain. Low of 52F. Winds from the WNW at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 61 72 | 59 72 | 56 58 | 53
Wind 2 mph SW 6 mph West 8 mph West 5 mph WNW
Humidity 78% 62% 57% 81%
Chance of Precip. 50% 60% 60% 50%
Cloud Cover 91% 90% 34% 87%
Conditions Chance of a Thunderstorm Thunderstorm Thunderstorm Chance of Rain
Sunrise & Sunset
5:25 AM
8:11 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.09], Average RMSE [3.05]
The National Weather Service forecast quality is good. MaxT RMSE [1.88], Average RMSE [1.80] : Use NWS
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
chancerain Overcast with a chance of rain in the morning, then partly cloudy with a chance of rain. High of 61F. Breezy. Winds from the North at 15 to 25 mph with gusts to 30 mph. Chance of rain 50%.
Thursday Night
nt_clear Clear. Low of 41F. Breezy. Winds from the North at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 49 49 | 43 51 | 37 46 | 35
Wind 8 mph NW 19 mph North 17 mph North 10 mph North
Humidity 73% 79% 58% 64%
Chance of Precip. 50% 50% 50% 10%
Cloud Cover 96% 80% 26% 12%
Conditions Chance of Rain Chance of Rain Chance of Rain Clear
Sunrise & Sunset
5:24 AM
8:12 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.49], Average RMSE [3.46]
The National Weather Service forecast quality is fair. MaxT RMSE [2.66], Average RMSE [3.04] : Use NWS
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Friday
clear Clear. High of 63F. Winds from the NNE at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 37F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 36 58 | 36 57 | 37 47 | 31
Wind 8 mph North 6 mph NNE 7 mph ENE 1 mph ENE
Humidity 69% 43% 47% 53%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 10% 11% 13% 70%
Conditions Clear Clear Clear Mostly Cloudy
Sunrise & Sunset
5:23 AM
8:13 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.43], Average RMSE [3.44]
The National Weather Service forecast quality is fair. MaxT RMSE [3.02], Average RMSE [3.31] : Use NWS
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
partlycloudy Clear in the morning, then partly cloudy. High of 66F. Winds from the ESE at 5 to 10 mph.
Saturday Night
nt_mostlycloudy Mostly cloudy in the evening, then overcast. Low of 50F. Winds from the ESE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 33 62 | 40 61 | 42 53 | 44
Wind 4 mph ENE 6 mph ESE 7 mph East 6 mph ESE
Humidity 68% 44% 47% 73%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 8% 12% 11% 87%
Conditions Clear Clear Clear Mostly Cloudy
Sunrise & Sunset
5:22 AM
8:14 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.77], Average RMSE [3.55]
The National Weather Service forecast quality is fair. MaxT RMSE [3.45], Average RMSE [3.64] : Use NWS
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Sunday
chancerain Mostly cloudy with a chance of rain. High of 64F. Winds from the ESE at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.6 in. possible.
Sunday Night
nt_mostlycloudy Mostly cloudy. Low of 48F. Winds from the ESE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 46 62 | 46 61 | 48 56 | 47
Wind 8 mph East 10 mph ESE 7 mph SE 8 mph ESE
Humidity 71% 57% 63% 69%
Chance of Precip. 10% 40% 10% 10%
Cloud Cover 100% 80% 35% 81%
Conditions Overcast Chance of Rain Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:22 AM
8:15 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.28], Average RMSE [4.08]
The National Weather Service forecast quality is poor. MaxT RMSE [3.97], Average RMSE [3.66] : Use NWS
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 73F. Winds from the East at 10 to 15 mph.
Monday Night
nt_mostlycloudy Overcast. Fog overnight. Low of 55F. Winds from the ESE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 46 69 | 51 71 | 53 57 | 53
Wind 9 mph East 11 mph ESE 9 mph East 9 mph ESE
Humidity 76% 53% 50% 87%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 76% 78% 33% 97%
Conditions Mostly Cloudy Mostly Cloudy Partly Cloudy Overcast
Sunrise & Sunset
5:21 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.04], Average RMSE [3.77]
The National Weather Service forecast quality is poor. MaxT RMSE [4.66], Average RMSE [4.93] : Use NWS
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 88F. Winds from the SE at 10 to 15 mph. Chance of rain 50%.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 64F. Winds from the South at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 56 74 | 63 73 | 67 65 | 64
Wind 9 mph SE 11 mph SE 9 mph SSE 10 mph South
Humidity 92% 66% 77% 97%
Chance of Precip. 10% 30% 20% 10%
Cloud Cover 91% 98% 40% 8%
Conditions Fog Chance of a Thunderstorm Chance of a Thunderstorm Clear
Sunrise & Sunset
5:20 AM
8:17 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.18], Average RMSE [4.62]
The National Weather Service forecast quality is poor. MaxT RMSE [5.21], Average RMSE [4.83] : Use NWS
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. High of 88F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 63 85 | 65 83 | 69 69 | 67
Wind 12 mph SSW 12 mph SSW 11 mph SSW 11 mph SSW
Humidity 80% 51% 60% 90%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 47% 55% 52% 48%
Conditions Fog Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:20 AM
8:18 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.08], Average RMSE [6.80]
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 93F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 63 81 | 64 84 | 67 69 | 66
Wind 11 mph SSW 13 mph SSW 10 mph SSW 10 mph SSW
Humidity 70% 58% 56% 90%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 42% 44% 52% 46%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:19 AM
8:19 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.80], Average RMSE [6.19]
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 91F. Winds from the SSW at 10 to 15 mph. Chance of rain 50%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 64 80 | 65 83 | 67 69 | 67
Wind 9 mph SSW 11 mph SSW 8 mph SSW 9 mph SSW
Humidity 69% 60% 60% 95%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 26% 22% 34% 45%
Conditions Partly Cloudy Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:19 AM
8:19 PM
Source: BestForecast at 8:45 PM CDT on May 21, 2013
Descriptive Forecast
Saturday
clear Clear with a chance of a thunderstorm. High of 86F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Saturday Night
nt_clear Clear. Fog overnight. Low of 68F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 65 78 | 67 80 | 69 67 | 67
Wind 8 mph SSW 7 mph SSW 5 mph SSW 5 mph SSW
Humidity 81% 67% 72% 100%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 53% % % %
Conditions Partly Cloudy Clear Clear Fog
Sunrise & Sunset
Sun does not rise
Nearby
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KPWK) 71 °F 49 °F
Record (KPWK) 85 °F (2009) 33 °F (2002)
Yesterday 89 °F 67 °F
Yesterday's Cooling Degree Days: 13
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Moderate
OZONE
Yesterday Moderate
PM2.5
Current Moderate
PM2.5
Current Good
OZONE
Tuesday Moderate
PM2.5
Wednesday Good
OZONE
Thursday Good
OZONE
Coastal Water Temperatures
Place Temperature
No Stations Reporting
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:25 AM CDT 8:11 PM CDT
Civil Twilight 4:52 AM CDT 8:44 PM CDT
Nautical Twilight 4:11 AM CDT 9:26 PM CDT
Astronomical Twilight 3:24 AM CDT 10:13 PM CDT
Moon 4:21 PM CDT (5/21) 2:57 AM CDT (5/21)
Length Of Visible Light 15h 52m
Length of Day
14h 46m
Tomorrow will be 1m 45s longer.
Waxing Gibbous, 87% of the Moon is Illuminated
Today
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Today's Extremes
State Highs State Lows
86 °F
Danville
83 °F
Paris
83 °F
Robinson
82 °F
Lincoln
82 °F
Olney-Noble
60 °F
Taylorville
60 °F
Savanna
60 °F
Galesburg
61 °F
Rochelle
61 °F
Bloomington
Snow Depth
Station Depth Elevation
No new snow has been reported.
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Travel & Activities
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Aviation
City Temp. Conditions Updated
Chicago Executive 74 °F Partly Cloudy 9:52 PM CDT
Chicago 70 °F Overcast 9:51 PM CDT
Chicago DuPage 69 °F Clear 9:52 PM CDT
Waukegan 65 °F Clear 9:52 PM CDT
Flight To ETA Status
AAL1103
Miami, FL
KORD 10:09PM On Time
TCF5128
Newark, NJ
KORD 10:09PM On Time
AAL371
New York, NY
KORD 10:14PM On Time
KAL223
Anchorage, AK
KORD 10:16PM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KPWK)
Wind Speed: 0.0 kts.
Wind Dir: (North)
Ceiling: Unlimited

METAR KPWK 220252Z AUTO 00000KT 10SM FEW060 23/14 A2970 RMK AO2 LTG DSNT SE SLP054 T02330144 51009

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Chicago Wolves 7:00 PM CDT
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Think Floyd USA 9:00 PM CDT
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Clear, 40°F
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Clear, 37°F
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Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 81 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Partly Cloudy, 81 °F
Red Sox vs. White Sox 7:10 PM CDT on May 21, 2013 Chance of a Thunderstorm, 74 °F
Red Sox vs. White Sox 7:10 PM CDT on May 22, 2013 Chance of Rain, 65 °F
Event Date Forecast
Livorno vs. Brescia 6:30 PM CEST on May 22, 2013 Clear, High 69° F/ 21° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Clear, High 68° F/ 20° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Partly Cloudy, 70 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
GEICO 400 1:16 PM CDT on September 15, 2013 Average High 74° F/ 23° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 68 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Mostly Cloudy, 70 °F
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Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
SCARSDALE, Arlington Heights, IL 72.7 °F 76 °F 59 °F 63% North  at  0.0 mph 0.00 in / hr 682 ft 10:10 PM CDT Rapid Fire  
Arlington Heights Historical District, Arlington Heights, IL 71.4 °F 75 °F 60 °F 66% West  at  0.0 mph 0.00 in / hr 650 ft 10:10 PM CDT Rapid Fire  
PIONEER PARK, Arlington Heights, IL 70.2 °F 75 °F 58 °F 66% NW  at  0.0 mph 0.00 in / hr 690 ft 10:11 PM CDT Rapid Fire  
Deerfield Southwest, Deerfield, IL 71.3 °F 74 °F 61 °F 70% SW  at  0.0 mph 0.00 in / hr 686 ft 10:10 PM CDT Rapid Fire  
Dempster and Rt. 83, Des Plaines, IL 70.7 °F 73 °F 62 °F 74% South  at  4.6 mph 0.00 in / hr 660 ft 10:10 PM CDT Rapid Fire
Windy City WX, Rolling Meadows, IL 71.8 °F 76 °F 58 °F 63% NE  at  0.0 mph 0.00 in / hr 719 ft 10:11 PM CDT Rapid Fire
MesoWest I-53 @ Dundee Road , Kildeer, IL 74 °F 77 °F 61 °F 63% SW  at  3 mph 0.00 in / hr 721 ft 9:31 PM CDT MADIS
Winston Park, Palatine, IL 68.0 °F - 61 °F 79% SW  at  0.0 mph 0.00 in / hr 732 ft 10:10 PM CDT Rapid Fire  
Northbrook, IL 70.1 °F - 65 °F 84% SW  at  0.0 mph 0.00 in / hr 683 ft 10:08 PM CDT Normal  
the continuum, Des Plaines, IL 70.6 °F - 66 °F 85% West  at  0.0 mph 0.00 in / hr 655 ft 10:10 PM CDT Rapid Fire
Near 83&Arlington Heights Rd, Buffalo Grove, IL 69.8 °F - 62 °F 75% North  at  0.0 mph 0.00 in / hr 732 ft 10:11 PM CDT Rapid Fire
U.S. Waterproofing, Rolling Meadows, IL 73.6 °F 76 °F 62 °F 68% SSE  at  1.0 mph 0.00 in / hr 740 ft 10:10 PM CDT Normal
Staples Corner Palatine IL, Palatine, IL 68.4 °F - 56 °F 64% SSW  at  0.0 mph 0.00 in / hr 748 ft 10:09 PM CDT Rapid Fire  
Deerfield, Deerfield, IL 70.7 °F 77 °F 54 °F 55% WSW  at  0.0 mph 0.00 in / hr 670 ft 10:10 PM CDT Rapid Fire  
Palatine Twsp. Rd. Dist., Palatine, IL 71.1 °F 74 °F 61 °F 70% SSW  at  0.0 mph - / hr 751 ft 10:10 PM CDT Normal  
Palatine, South, Palatine, IL 69.4 °F - 69 °F 98% SSW  at  0.0 mph - / hr 741 ft 10:04 PM CDT Normal  
MesoWest VALLY1 , Highland Park, IL 69 °F - - - North  at  - 0.00 in / hr 646 ft 9:15 PM CDT MADIS
APRSWXNET Palatine IL , Palatine, IL 69 °F - 61 °F 76% WSW  at  0 mph 0.00 in / hr 803 ft 9:48 PM CDT MADIS
Schaumburg North, Schaumburg, IL 77.4 °F 79 °F 62 °F 58% WSW  at  0.0 mph 0.00 in / hr 738 ft 10:08 PM CDT Normal
APRSWXNET Northbrook IL US, Glencoe, IL 71 °F 72 °F 65 °F 80% North  at  0 mph 0.00 in / hr 640 ft 9:38 PM CDT MADIS
Chantilly, Highland Park, IL 72.4 °F 76 °F 59 °F 63% ENE  at  0.0 mph 0.00 in / hr 646 ft 10:11 PM CDT Rapid Fire  
APRSWXNET Glenview IL , Golf, IL 71 °F 72 °F 64 °F 79% West  at  0 mph 0.00 in / hr 659 ft 9:43 PM CDT MADIS
Busse Woods, Elk Grove Village, IL 72.7 °F 76 °F 58 °F 61% WSW  at  0.0 mph 0.00 in / hr 720 ft 10:10 PM CDT Rapid Fire
Public Works, Highland Park, IL 70.7 °F 74 °F 61 °F 72% West  at  0.0 mph - / hr 660 ft 10:04 PM CDT Normal  
Northfield, Northfield, IL 72.7 °F 74 °F 65 °F 76% South  at  0.0 mph - / hr 0 ft 10:10 PM CDT Normal  
Rosemont, Rosemont, IL 72.4 °F 74 °F 64 °F 75% SE  at  0.0 mph 0.06 in / hr 740 ft 10:07 PM CDT Normal
Schaumburg East, Schaumburg, IL 75.2 °F 77 °F 62 °F 63% North  at  - - / hr 748 ft 10:10 PM CDT Normal
Deerpath, Vernon Hills, IL 67.3 °F - 67 °F 98% South  at  0.0 mph - / hr 690 ft 10:08 PM CDT Normal  
Fort Sheridan Base Housing, Highland Park, IL 73.2 °F 76 °F 60 °F 63% West  at  0.0 mph 0.00 in / hr 656 ft 10:10 PM CDT Rapid Fire  
Old Mill Grove, Lake Zurich, IL 69.7 °F - 57 °F 65% SW  at  0.0 mph 0.00 in / hr 853 ft 10:11 PM CDT Rapid Fire  
S Old Rand Rd, Lake Zurich, IL 68.5 °F - 60 °F 74% SSW  at  0.0 mph 0.00 in / hr 879 ft 10:11 PM CDT Rapid Fire  
Norwood Park Township, IL 70.2 °F 76 °F 56 °F 61% NE  at  2.2 mph 0.02 in / hr 646 ft 10:11 PM CDT Rapid Fire  
New Century Town, Vernon Hills, IL 68.0 °F - 60 °F 76% North  at  0.0 mph 0.00 in / hr 706 ft 10:10 PM CDT Rapid Fire
Forest Drive, Forest Lake, IL 68.4 °F - 58 °F 69% NW  at  0.0 mph 0.00 in / hr 820 ft 10:09 PM CDT Rapid Fire  
Winnetka, IL 72.3 °F 72 °F 66 °F 81% NNE  at  0.0 mph 0.00 in / hr 655 ft 10:11 PM CDT Rapid Fire  
Poplar Hills, Hoffman Estates, IL 69.4 °F - 61 °F 75% West  at  0.0 mph 0.00 in / hr 869 ft 10:10 PM CDT Normal  
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Local Storm Report


05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.




05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1159 PM

Cicero, Cook County.

Flash flood, reported by public.


            High-standing water on I-55 south at Pulaski Road.
            Relayed through media.





05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.




05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.




05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.




05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.




05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.





05/20/2013 1120 PM

Tinley Park, Cook County.

Heavy rain m0.77 inch, reported by public.


            Rainfall in 15 minutes. Facebook report.





05/20/2013 1140 PM

1 miles SSW of Oak Lawn, Cook County.

Heavy rain m1.04 inch, reported by cocorahs.


            Rain in 40 minutes up to time of report. Max wind gust 41
            mph.





05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.





05/20/2013 1117 PM

1 miles SW of Glenview, Cook County.

Heavy rain m0.88 inch, reported by cocorahs.


            0.87 inches in 30 minutes up to time of report.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.





05/20/2013 1115 PM

Lemont, Cook County.

Heavy rain m0.88 inch, reported by trained spotter.


            Rain in 35 minutes at 127th and Interstate 355.





05/20/2013 1125 PM

Park Forest, Cook County.

Thunderstorm wind gust e56.00 mph, reported by trained spotter.


            Near Orchard Avenue.