Arlington Heights, IL

11:44 AM CDT on May 22, 2013 (GMT -0500)
Elev: 686 ft
Lon: 88.0° W
Lat: 42.1° N
Source
Rapid Fire Updates™
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Oklahoma Tornado: Moore Tornado an EF-5; $2 Billion Damage Estimate: 2nd Costliest Tornado in History
News
Okla. Tornado Damage Could Top $2 Billion
May 22, 2013
Officials say the focus is now on recovery and clean-up in the wake of the deadly EF-5 tornado in Moore, Okla.
Tornado Doctor Sees "Utter Destruction"
May 22, 2013
When a rare EF5 tornado hit Moore, Okla., on Monday afternoon, the citys medical professionals ran toward the destruction not away from it.
After the Storm: Deadly Flesh-Eating Infections?
May 22, 2013
For survivors of Mondays devastating tornado that killed at least 24 and injured 120 more in suburban Oklahoma, the health threat might not end with the storm.
Flooding Affects 3 Northeastern N.D. Communities
May 22, 2013
More flooding became a nuisance in North Dakota, creating worries of a possible dam break.
Joplin's New Hospital is First of Its Kind
May 22, 2013
Two years after the EF5 tornado wrecked St. Johns Regional Medical Center in Joplin, construction continues on a new, sturdier hospital.
Joplin and Moore Chillingly Similar
May 22, 2013
Photos reveal the terror after an EF5 tornado slammed Joplin in May 2011.
Jersey Shore Readies for Post-Sandy Summer
May 22, 2013
The Jersey Shore has made a remarkable comeback after being devastated by Hurricane Sandy. Now, it's ready to welcome tourists back to its shores.
Interactive: Damage Path of Moore Tornado
May 22, 2013
Interactive map shows survey results from the National Weather Service.
Parents Face Tough Choice When Tornadoes Near
May 22, 2013
With an ominous storm approaching, parents in Moore, Okla. had a heart-breaking choice to make:
Rescue Worker Doesn't Give Up Despite Odds
May 22, 2013
The possibility that one child was left in the rubble of Plaza Towers Elementary School kept rescue crews working to sift through debris late Tuesday night.
No New Funds Needed for Okla. Tornado Recovery
May 22, 2013
Top lawmakers and officials said Tuesday that the federal government has plenty of money on hand to pay for recovery efforts in the wake of the devastating tornado that struck Oklahoma.
Teachers Credited With Saving Students in Okla.
May 21, 2013
Students and parents recounted stories Tuesday of brave teachers who sheltered their pupils, in some cases by herding them into a closet and a restroom amid the fear and panic.
Oklahoma Tornado From Space (PHOTOS)
May 21, 2013
Here are NASA and NOAA satellite views of the powerful storm system that spawned the Moore, Okla. tornado.
Sports World Keeps Eye on Oklahoma Tornado
May 21, 2013
Even the sports world had a moment of reflection after the devastating tornado in Moore, Okla.
Miles and Minutes: Okla. Tornado By the Numbers
May 21, 2013
See the facts and figures that defined the Moore, Okla. tornado.
Moore, Okla. Tornado a Rare EF5
May 22, 2013
EF5/F5 tornadoes are rare, but Moore has seen two of them in the past 15 years.
Power of Moore Tornado Dwarfs Hiroshima Atomic Bomb
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.
Weather Imagery Reveals Oklahoma Tornado
May 21, 2013
The Moore, Oklahoma tornado showed up vividly on satellite and radar.
PTSD Risk after the Oklahoma Tornado
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.
Tornado Leaves Small Hospital 'Pretty Much Destroyed'
May 21, 2013
Officials say a tornado hit a small hospital in suburban Oklahoma City, but all the 30 patients inside survived.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground Forecast for Wednesday, May 22, 2013.

After an active severe weather pattern during the beginning of the week, cooler and relatively calmer weather conditions will return to much of the Central U.S. on Wednesday as the trough of low pressure impacting the region moves to the East. As the trough progresses, an associated low pressure system will reorganize near southern Lake Michigan and will continue northeastward across Michigan toward the Lower Great Lakes through Wednesday evening. Expect rain showers to continue across the Upper Midwest into areas of the inland Northeast throughout this transition. Meanwhile, the system's associated cold front will trail southwestward from the low across the Ohio and Tennessee Valleys through the Lower Mississippi Valley and into the Southern Plains. Favorable energy and environmental conditions ahead of the cold front combined with ample moisture from the Gulf of Mexico will set the stage for shower and thunderstorm activity through the day. Areas just east of the advancing cold front will experience the heaviest amounts of precipitation, with areas of flooding and flash flooding possible in parts of eastern Texas and Louisiana. As the cold front continues eastward, areas of the Lower Great Lakes into the Ohio and Tennessee Valleys are at slight risk of severe thunderstorm development through the evening. Severe storms in these regions may become capable of producing damaging wind gusts, marginally severe hail, and even a few tornadoes during the evening hours.

Elsewhere, scattered showers and thunderstorms will remain possible along the East Coast and in the Florida Peninsula. Out West, a cold trough of low pressure will become anchored over the Pacific Northwest, bringing cool, below normal temperatures to the Pacific Northwest and California, as well as scattered precipitation to the Northwest.
Weather Underground Forecast for Wednesday, May 22, 2013.

After an active severe weather pattern during the beginning of the week, cooler and relatively calmer weather conditions will return to much of the Central U.S. on Wednesday as the trough of low pressure impacting the region moves to the East. As the trough progresses, an associated low pressure system will reorganize near southern Lake Michigan and will continue northeastward across Michigan toward the Lower Great Lakes through Wednesday evening. Expect rain showers to continue across the Upper Midwest into areas of the inland Northeast throughout this transition. Meanwhile, the system's associated cold front will trail southwestward from the low across the Ohio and Tennessee Valleys through the Lower Mississippi Valley and into the Southern Plains. Favorable energy and environmental conditions ahead of the cold front combined with ample moisture from the Gulf of Mexico will set the stage for shower and thunderstorm activity through the day. Areas just east of the advancing cold front will experience the heaviest amounts of precipitation, with areas of flooding and flash flooding possible in parts of eastern Texas and Louisiana. As the cold front continues eastward, areas of the Lower Great Lakes into the Ohio and Tennessee Valleys are at slight risk of severe thunderstorm development through the evening. Severe storms in these regions may become capable of producing damaging wind gusts, marginally severe hail, and even a few tornadoes during the evening hours.

Elsewhere, scattered showers and thunderstorms will remain possible along the East Coast and in the Florida Peninsula. Out West, a cold trough of low pressure will become anchored over the Pacific Northwest, bringing cool, below normal temperatures to the Pacific Northwest and California, as well as scattered precipitation to the Northwest.
More News Articles

Arlington Heights Weather at a Glance

Updated 11:44 AM CDT
Elevation
650 ft
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Now
Overcast
Overcast
Temperature
73.0 °F
Feels Like 75 °F
Wind(mph)
0.0
Sunrise / Set
5:24 AM
8:13 PM
Moon
Waxing Gibbous
Today
Chance of a Thunderstorm 79 °F
Chance of T-storms
80% chance of precipitation
Tonight
Rain Showers 52 °F
Rain Showers
60% chance of precipitation
Tomorrow
Chance of Rain 59 | 37 °F
Chance of Rain
40% chance of precipitation
Friday
Clear 66 | 48 °F
Clear
Saturday
Partly Cloudy 64 | 45 °F
Partly Cloudy
Sunday
Chance of Rain 70 | 52 °F
Chance of Rain
40% chance of precipitation
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.66 in
Visibility
10.0 miles
Clouds
Scattered Clouds 2200 ft
Overcast 8000 ft
Moisture
Humidity
71%
Rainfall
0.40 in
Snow Depth
Not available.
METAR
SPECI KPWK 221610Z 21007KT 10SM SCT022 OVC080 22/17 A2966 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Heat Index
75 °F
Dew Point
63 °F
Wind
Speed / Dir
Calm
Wind Gust
0.7 mph
Health
UV
3 out of 16
Pollen
3.50 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Wednesday
chancetstorms Overcast with a chance of a thunderstorm and rain showers. High of 79F. Winds from the SW at 5 to 15 mph. Chance of rain 80%.
Wednesday Night
nt_rain Overcast with a chance of rain, then rain showers after midnight. Low of 52F. Winds from the WNW at 5 to 10 mph. Chance of rain 60%.
Thursday
chancerain Overcast with a chance of rain in the morning, then mostly cloudy. High of 59F. Breezy. Winds from the North at 15 to 20 mph with gusts to 30 mph. Chance of rain 40%.
Thursday Night
nt_clear Clear. Low of 37F. Winds from the North at 5 to 20 mph.
Friday
clear Clear. High of 66F. Winds from the NE at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Low of 48F. Winds less than 5 mph.
Saturday
partlycloudy Overcast in the morning, then partly cloudy. High of 64F. Winds less than 5 mph.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain in the evening, then overcast with a chance of rain. Fog overnight. Low of 45F. Winds less than 5 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Sunday
chancerain Partly cloudy in the morning, then overcast with a chance of rain. High of 70F. Winds from the ESE at 5 to 10 mph. Chance of rain 40% with rainfall amounts near 0.3 in. possible.
Sunday Night
nt_chancerain Mostly cloudy with a chance of rain. Fog overnight. Low of 52F. Winds from the ESE at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.5 in. possible.
Monday
clear Clear. High of 79F. Winds from the ESE at 10 to 15 mph.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 52F. Winds from the ESE at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Tuesday
chancetstorms Overcast with a chance of a thunderstorm. High of 86F. Winds from the SE at 5 to 10 mph. Chance of rain 40%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 61F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Wednesday
mostlycloudy Overcast. High of 88F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Low of 70F. Winds from the SSW at 10 to 15 mph.
Thursday
partlycloudy Partly cloudy. High of 91F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the SSW at 10 to 15 mph.
Friday
partlycloudy Partly cloudy. High of 93F. Winds from the SSW at 10 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 70F. Winds from the SSW at 10 to 15 mph.
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 95F. Winds from the SW at 10 to 15 mph. Chance of rain 40%.
Saturday Night
nt_clear Clear. Fog overnight. Low of 70F. Winds from the SW at 5 to 10 mph.
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Weather Forecast for Arlington Heights IL

View Calendar 10-Day Forecast for station KILROLLI4

Wednesday, 22
Chance of a Thunderstorm
79 | 52 °F
Chance of T-storms
Chance of
Precipitation
80%
Thursday, 23
Chance of Rain
59 | 37 °F
Chance of Rain
Chance of
Precipitation
40%
Friday, 24
Clear
66 | 48 °F
Clear
Chance of
Precipitation
10%
Saturday, 25
Partly Cloudy
64 | 45 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Chance of Rain
70 | 52 °F
Chance of Rain
Chance of
Precipitation
40%
Monday, 27
Clear
79 | 52 °F
Clear
Chance of
Precipitation
0%
Tuesday, 28
Chance of a Thunderstorm
86 | 61 °F
Chance of T-storms
Chance of
Precipitation
40%
Wednesday, 29
Mostly Cloudy
88 | 70 °F
Mostly Cloudy
Chance of
Precipitation
0%
Thursday, 30
Partly Cloudy
91 | 72 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 31
Partly Cloudy
93 | 70 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Wednesday
chancetstorms Overcast with a chance of a thunderstorm and rain showers. High of 79F. Winds from the SW at 5 to 15 mph. Chance of rain 80%.
Wednesday Night
nt_rain Overcast with a chance of rain, then rain showers after midnight. Low of 52F. Winds from the WNW at 5 to 10 mph. Chance of rain 60%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 61 73 | 58 71 | 56 58 | 53
Wind 2 mph SW 8 mph SSW 8 mph West 5 mph WNW
Humidity 80% 59% 58% 79%
Chance of Precip. 60% 80% 80% 60%
Cloud Cover 88% 86% 87% 88%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:24 AM
8:13 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.96], Average RMSE [3.29]
The National Weather Service forecast quality is fair. MaxT RMSE [2.68], Average RMSE [2.06] : Use NWS
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Thursday
chancerain Overcast with a chance of rain in the morning, then mostly cloudy. High of 59F. Breezy. Winds from the North at 15 to 20 mph with gusts to 30 mph. Chance of rain 40%.
Thursday Night
nt_clear Clear. Low of 37F. Winds from the North at 5 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 49 51 | 45 53 | 36 45 | 36
Wind 9 mph NW 18 mph North 17 mph NNE 9 mph North
Humidity 90% 81% 53% 67%
Chance of Precip. 60% 50% 10% 10%
Cloud Cover 96% 87% 45% 14%
Conditions Rain Showers Chance of Rain Partly Cloudy Clear
Sunrise & Sunset
5:23 AM
8:14 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.21], Average RMSE [3.81]
The National Weather Service forecast quality is fair. MaxT RMSE [3.43], Average RMSE [3.57] : Use NWS
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Friday
clear Clear. High of 66F. Winds from the NE at 5 to 10 mph.
Friday Night
nt_partlycloudy Partly cloudy in the evening, then overcast. Low of 48F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 42 | 36 62 | 36 57 | 36 47 | 24
Wind 7 mph North 6 mph NNE 7 mph ENE 3 mph East
Humidity 76% 38% 46% 42%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 12% 11% 13% 49%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:23 AM
8:14 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.20], Average RMSE [3.60]
The National Weather Service forecast quality is poor. MaxT RMSE [3.93], Average RMSE [3.51] : Use NWS
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Saturday
partlycloudy Overcast in the morning, then partly cloudy. High of 64F. Winds less than 5 mph.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain in the evening, then overcast with a chance of rain. Fog overnight. Low of 45F. Winds less than 5 mph. Chance of rain 50% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 30 59 | 40 58 | 44 50 | 44
Wind 4 mph East 5 mph SE 3 mph SSE 2 mph West
Humidity 40% 50% 57% 80%
Chance of Precip. 0% 0% 0% 30%
Cloud Cover 99% 100% 37% 0%
Conditions Overcast Overcast Partly Cloudy Chance of Rain
Sunrise & Sunset
5:22 AM
8:15 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.74], Average RMSE [3.41]
The National Weather Service forecast quality is poor. MaxT RMSE [4.58], Average RMSE [4.03] : Use NWS
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Sunday
chancerain Partly cloudy in the morning, then overcast with a chance of rain. High of 70F. Winds from the ESE at 5 to 10 mph. Chance of rain 40% with rainfall amounts near 0.3 in. possible.
Sunday Night
nt_chancerain Mostly cloudy with a chance of rain. Fog overnight. Low of 52F. Winds from the ESE at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.5 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 44 66 | 51 63 | 54 52 | 52
Wind 6 mph ESE 10 mph SE 6 mph East 8 mph ESE
Humidity 77% 60% 71% 100%
Chance of Precip. 10% 10% 40% 30%
Cloud Cover 99% 20% 99% 51%
Conditions Overcast Clear Chance of Rain Chance of Rain
Sunrise & Sunset
5:21 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.60], Average RMSE [4.33]
The National Weather Service forecast quality is poor. MaxT RMSE [4.82], Average RMSE [3.79] : Use NWS
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Monday
clear Clear. High of 79F. Winds from the ESE at 10 to 15 mph.
Monday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 52F. Winds from the ESE 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 54 | 53 68 | 56 69 | 58 55 | 54
Wind 9 mph SE 12 mph ESE 8 mph ESE 8 mph ESE
Humidity 95% 64% 69% 96%
Chance of Precip. 10% 10% 10% 20%
Cloud Cover 74% 0% 0% 52%
Conditions Mostly Cloudy Clear Clear Chance of Rain
Sunrise & Sunset
5:21 AM
8:17 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.21], Average RMSE [4.73]
The National Weather Service forecast quality is poor. MaxT RMSE [6.07], Average RMSE [5.56] : Use NWS
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Tuesday
chancetstorms Overcast with a chance of a thunderstorm. High of 86F. Winds from the SE at 5 to 10 mph. Chance of rain 40%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 61F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 74 | 65 76 | 68 67 | 66
Wind 6 mph SE 7 mph SE 6 mph SSE 8 mph South
Humidity 90% 72% 77% 96%
Chance of Precip. 20% 20% 10% 20%
Cloud Cover 100% 98% 100% 100%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Overcast Chance of a Thunderstorm
Sunrise & Sunset
5:20 AM
8:18 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.64], Average RMSE [4.64]
The National Weather Service forecast quality is poor. MaxT RMSE [6.59], Average RMSE [5.50] : Use NWS
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Wednesday
mostlycloudy Overcast. High of 88F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Low of 70F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 64 81 | 68 77 | 70 71 | 67
Wind 9 mph SSW 11 mph SW 10 mph SSW 13 mph SSW
Humidity 85% 63% 76% 85%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 100% 57% 98% 88%
Conditions Overcast Partly Cloudy Overcast Mostly Cloudy
Sunrise & Sunset
5:19 AM
8:19 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.84], Average RMSE [5.82]
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 91F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 62 80 | 65 81 | 69 72 | 67
Wind 13 mph SSW 15 mph SSW 13 mph SSW 14 mph SSW
Humidity 72% 59% 70% 82%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 66% 57% 58% 46%
Conditions Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:19 AM
8:20 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.86], Average RMSE [5.96]
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 93F. Winds from the SSW at 10 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 70F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 63 80 | 65 80 | 69 72 | 67
Wind 13 mph SSW 15 mph SSW 12 mph SSW 12 mph SSW
Humidity 74% 59% 72% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 19% 17% 39% 43%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:18 AM
8:20 PM
Source: BestForecast at 8:39 AM CDT on May 22, 2013
Descriptive Forecast
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 95F. Winds from the SW at 10 to 15 mph. Chance of rain 40%.
Saturday Night
nt_clear Clear. Fog overnight. Low of 70F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 63 80 | 65 85 | 71 71 | 70
Wind 11 mph SSW 12 mph SW 9 mph SW 8 mph SW
Humidity 76% 63% 62% 98%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 28% 36% 68% %
Conditions Partly Cloudy Partly Cloudy Mostly Cloudy Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Public Information Statement  (US Severe Weather)
History & Almanac
May 22, 2013 Max Temp Min Temp
Normal (KPWK) 71 °F 49 °F
Record (KPWK) 88 °F (2011) 37 °F (1997)
Yesterday 82 °F 64 °F
Yesterday's Cooling Degree Days: 8
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
OZONE
Yesterday Good
PM2.5
Current Moderate
PM2.5
Current Good
OZONE
Wednesday Good
OZONE
Thursday Good
OZONE
Coastal Water Temperatures
Place Temperature
No Stations Reporting
Marine Forecast
Astronomy
May. 22, 2013 Rise Set
Actual Time 5:24 AM CDT 8:13 PM CDT
Civil Twilight 4:51 AM CDT 8:45 PM CDT
Nautical Twilight 4:10 AM CDT 9:27 PM CDT
Astronomical Twilight 3:23 AM CDT 10:15 PM CDT
Moon 5:32 PM CDT 3:31 AM CDT
Length Of Visible Light 15h 54m
Length of Day
14h 48m
Tomorrow will be 1m 42s longer.
Waxing Gibbous, 91% of the Moon is Illuminated
Today
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
75 °F
Robinson
75 °F
Olney-Noble
74 °F
Rantoul
74 °F
Paris
73 °F
Harrisburg
56 °F
Savanna
57 °F
Freeport
57 °F
Moline
59 °F
Galesburg
59 °F
Lacon
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Chicago Executive 72 °F Overcast 11:10 AM CDT
Chicago 71 °F Mostly Cloudy 10:51 AM CDT
Chicago DuPage 64 °F Heavy Rain Fog 11:40 AM CDT
Waukegan 72 °F Overcast 11:34 AM CDT
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Flight To ETA Status
EGF717G
Houston, TX 		KORD 11:32AM On Time
CHQ5055
Bloomington/Normal, IL 		KORD 11:37AM On Time
EGF3902
Buffalo, NY 		KORD 11:38AM On Time
UAL614
Calgary, Alberta 		KORD 11:40AM On Time
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Type Condition
Flight Rule: VFR (KPWK)
Wind Speed: 7.0 kts.
Wind Dir: 90° (East)
Ceiling: 8000 ft

SPECI KPWK 221610Z 21007KT 10SM SCT022 OVC080 22/17 A2966 RMK AO2

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Nearby Events
Event Date Forecast
Alice In Wonderland A Musical Adventure 10:00 AM CDT
2013-04-18		 Chance of a Thunderstorm, 64°F
Lee Dewyze 8:00 PM CDT
2013-04-19		 Chance of Rain, 40°F
Chicago Wolves 7:00 PM CDT
2013-04-20		 Clear, 43°F
Think Floyd USA 9:00 PM CDT
2013-04-20		 Clear, 40°F
National Nanny Training Day Chicago for ALL NANNIES 9:00 AM CDT
2013-04-20		 Clear, 37°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Twins vs. Braves 12:10 PM EDT on May 22, 2013 Chance of a Thunderstorm, 76 °F
Dodgers vs. Brewers 12:10 PM CDT on May 22, 2013 Chance of a Thunderstorm, 65 °F
Red Sox vs. White Sox 7:10 PM CDT on May 22, 2013 Chance of Rain, 65 °F
Marlins vs. White Sox 7:10 PM CDT on May 24, 2013 Clear, 52 °F
Event Date Forecast
Livorno vs. Brescia 6:30 PM CEST on May 22, 2013 Scattered Clouds, High 69° F/ 21° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Scattered Clouds, High 69° F/ 21° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Mostly 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, 65 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Partly Cloudy, 70 °F
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Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Arlington Heights Historical District, Arlington Heights, IL 73.0 °F 75 °F 63 °F 71% East  at  0.0 mph 0.00 in / hr 650 ft 11:44 AM CDT Rapid Fire  
Winston Park, Palatine, IL 69.4 °F - 65 °F 85% WSW  at  4.0 mph 0.01 in / hr 732 ft 11:44 AM CDT Rapid Fire  
PIONEER PARK, Arlington Heights, IL 63.9 °F - 59 °F 84% WSW  at  0.0 mph 0.00 in / hr 690 ft 11:44 AM CDT Rapid Fire  
Prospect Manor, Mt Prospect, IL 75.4 °F 77 °F 63 °F 65% SW  at  7.6 mph 0.00 in / hr 686 ft 11:18 AM CDT Normal  
SCARSDALE, Arlington Heights, IL 70.3 °F 72 °F 63 °F 77% NE  at  2.3 mph 0.00 in / hr 682 ft 11:44 AM CDT Rapid Fire  
MesoWest I-53 @ Dundee Road , Kildeer, IL 71 °F 71 °F 65 °F 81% WSW  at  4 mph 0.00 in / hr 721 ft 11:16 AM CDT MADIS
Windy City WX, Rolling Meadows, IL 72.0 °F 73 °F 64 °F 76% WSW  at  10.7 mph 0.00 in / hr 719 ft 11:44 AM CDT Rapid Fire
Staples Corner Palatine IL, Palatine, IL 70.5 °F 72 °F 63 °F 77% SW  at  2.5 mph 0.00 in / hr 748 ft 11:44 AM CDT Rapid Fire  
Palatine Twsp. Rd. Dist., Palatine, IL 69.6 °F - 64 °F 82% WNW  at  4.2 mph - / hr 751 ft 11:35 AM CDT Normal  
Palatine, South, Palatine, IL 73.6 °F - 73 °F 98% West  at  0.0 mph - / hr 741 ft 11:39 AM CDT Normal  
U.S. Waterproofing, Rolling Meadows, IL 71.3 °F 73 °F 64 °F 77% SW  at  6.0 mph 0.00 in / hr 740 ft 11:40 AM CDT Normal
APRSWXNET Palatine IL , Palatine, IL 71 °F 72 °F 64 °F 79% West  at  3 mph 0.00 in / hr 803 ft 11:18 AM CDT MADIS
Near 83&Arlington Heights Rd, Buffalo Grove, IL 67.7 °F - 66 °F 94% North  at  0.0 mph 0.00 in / hr 732 ft 11:44 AM CDT Rapid Fire
Schaumburg North, Schaumburg, IL 70.9 °F 72 °F 64 °F 78% NW  at  1.8 mph 0.00 in / hr 738 ft 11:44 AM CDT Normal
Dempster and Rt. 83, Des Plaines, IL 71.0 °F 71 °F 66 °F 83% SW  at  9.2 mph 0.00 in / hr 660 ft 11:44 AM CDT Rapid Fire
Deerfield Southwest, Deerfield, IL 71.5 °F 73 °F 64 °F 76% SSW  at  2.0 mph 0.00 in / hr 686 ft 11:44 AM CDT Rapid Fire  
Schaumburg East, Schaumburg, IL 74.5 °F 75 °F 68 °F 80% North  at  - - / hr 748 ft 11:40 AM CDT Normal
the continuum, Des Plaines, IL 72.9 °F 74 °F 64 °F 75% SW  at  4.0 mph 0.00 in / hr 655 ft 11:44 AM CDT Rapid Fire
Busse Woods, Elk Grove Village, IL 67.9 °F - 64 °F 88% SSW  at  1.0 mph 0.00 in / hr 720 ft 11:44 AM CDT Rapid Fire
S Old Rand Rd, Lake Zurich, IL 65.9 °F - 64 °F 92% WSW  at  3.0 mph 0.06 in / hr 879 ft 11:44 AM CDT Rapid Fire  
Old Mill Grove, Lake Zurich, IL 67.0 °F - 62 °F 85% WSW  at  0.2 mph 0.09 in / hr 853 ft 11:44 AM CDT Rapid Fire  
Poplar Hills, Hoffman Estates, IL 67.2 °F - 64 °F 90% WNW  at  0.0 mph 0.09 in / hr 869 ft 11:40 AM CDT Normal  
Northbrook, IL 73.2 °F 74 °F 66 °F 79% WSW  at  0.0 mph 0.00 in / hr 683 ft 11:43 AM CDT Normal  
Braemar, Lake Zurich, IL 66.8 °F - 64 °F 91% SSW  at  0.0 mph 0.14 in / hr 837 ft 11:44 AM CDT Rapid Fire
NW Chicago, IL US, Hoffman Estates, IL 68.4 °F - 59 °F 73% SW  at  0.0 mph 0.07 in / hr 628 ft 11:40 AM CDT Normal
Deerfield, Deerfield, IL 71.4 °F 75 °F 61 °F 69% NW  at  0.0 mph 0.00 in / hr 670 ft 11:44 AM CDT Rapid Fire  
Deerpath, Vernon Hills, IL 70.7 °F - 70 °F 98% SW  at  3.2 mph - / hr 690 ft 11:30 AM CDT Normal  
Forest Drive, Forest Lake, IL 68.5 °F - 62 °F 81% West  at  0.0 mph 0.04 in / hr 820 ft 11:43 AM CDT Rapid Fire  
APRSWXNET Hoffman Estates (Calibrated), Hoffman Estates, IL 65.9 °F - 60 °F 82% South  at  0.0 mph 0.02 in / hr 832 ft 11:41 AM CDT Rapid Fire  
APRSWXNET Hoffman Estates IL , Schaumburg, IL 71 °F 74 °F 62 °F 72% SW  at  1 mph 0.00 in / hr 830 ft 11:16 AM CDT MADIS
VictorN Station, Barrington, IL 67.8 °F - 67 °F 98% ESE  at  0.0 mph - / hr 837 ft 11:35 AM CDT Normal  
MesoWest VALLY1 , Highland Park, IL 68 °F - - - North  at  - 0.00 in / hr 646 ft 9:20 AM CDT MADIS
Chantilly, Highland Park, IL 76.2 °F 78 °F 65 °F 67% WSW  at  1.7 mph 0.00 in / hr 646 ft 11:44 AM CDT Rapid Fire  
Arrowhead Drive, Mundelein, IL 69.7 °F - 62 °F 77% WSW  at  1.5 mph 0.00 in / hr 771 ft 11:44 AM CDT Rapid Fire  
APRSWXNET Barrington IL , Barrington, IL 70 °F - 64 °F 82% SW  at  2 mph 0.00 in / hr 820 ft 11:14 AM CDT MADIS
14 & 59, Barrington, IL 68.8 °F - 64 °F 84% SW  at  5.0 mph 0.01 in / hr 760 ft 11:30 AM CDT Normal  
New Century Town, Vernon Hills, IL 72.0 °F 72 °F 66 °F 81% NE  at  0.0 mph 0.00 in / hr 706 ft 11:44 AM CDT Rapid Fire
APRSWXNET Northbrook IL US, Glencoe, IL 72 °F 71 °F 67 °F 84% WNW  at  1 mph 0.01 in / hr 640 ft 11:33 AM CDT MADIS
Rosemont, Rosemont, IL 71.7 °F 73 °F 63 °F 75% SSW  at  7.0 mph 0.00 in / hr 740 ft 11:38 AM CDT Normal
Schaumburg Outdoors, Schaumburg, IL 66.3 °F - 64 °F 92% WSW  at  8.0 mph 0.09 in / hr 814 ft 11:44 AM CDT Normal
Biltmore Estates, NORTH BARRINGTON, IL 67.0 °F - 64 °F 89% West  at  0.0 mph 0.00 in / hr 853 ft 11:44 AM CDT Rapid Fire
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Public Information Statement
Mobile & Email Alerts Statement as of 9:00 am CDT on March 22, 2013

... This is safe boating week...
... Hypothermia...

The following is a safe boating message from the National safe
boating Council and the National Weather Service.

After a long winter... thoughts naturally turn toward warm weather
recreational activities. Unseasonably warm afternoons of the Spring
frequently attract boaters and other recreational enthusiasts to our
beautiful lakes... rivers... streams and coastal waters.

Those venturing out need to be aware of the dangers posed by low
water temperatures. On warm days... it is easy to Overlook the fact
that water temperature may be much lower than the air temperature.
Furthermore... some rivers and streams are fed by cold runoff from
the melting of snow upstream.

Immersion in cold water can rapidly become life threatening. Should
your craft capsize... or you fall in a swift river... hypothermia in
water with temperatures in the upper 30s and 40s can occur in just a
matter of minutes. In fact... the human body cannot survive in water
temperatures in the 50s and 60s for very long as water conducts body
heat away 26 times faster than air of the same temperature. The cold
water rapidly causes extremities to become numb... weakening the
ability of muscles to work effectively.

The National Weather Service urges the following safety measures to
protect yourself and maximize your enjoyment of our nations
waterways.

Consider postponing small craft boating activities until water
temperatures become warmer in late Spring and Summer. Keep in mind
that even unseasonably warm air temperatures on mild Spring and fall
afternoons can drop rapidly later in the day.

When you do boat... canoe... or kayak... wear appropriate protective
gear and clothing in the event of exposure... accident or capsize.
Remember no matter the season... when you are on the water always
wear a life jacket.

Always file a float plan... letting a close family member or friend
know your plans... your boats communication capability... and the
physical details of your craft... all of which will assist Rescue
personnel in the event you get into trouble.

Safe boating is no accident. Please take the time to think safety
first and plan appropriately for weather and water conditions before
heading out on our oceans... lakes... rivers... and streams.

This message was brought to you by the National Weather Service and
the National safe boating Council. Visit the National Weather
Service on the web at www.Weather.Gov and the National safe boating
Council at www.Safeboatingcouncil.Org.


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