Spring House, PA

7:01 AM EDT on May 21, 2013 (GMT -0400)
Elev: 282 ft
Lon: 75.2° W
Lat: 40.2° N
Source
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Global: Violent tornado devastates Moore, Oklahoma
Active Advisory: Special Statement (US Severe Weather)
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May 21, 2013
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Obama Declares Major Disaster in Oklahoma
May 21, 2013
President Barack Obama has declared a major disaster in Oklahoma as the state recovers from a massive tornado that ripped through the Oklahoma City suburbs Monday, killing dozens and flattening entire neighborhoods.
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May 21, 2013
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Photos: Deadly Tornado Outbreak Strikes Plains
May 20, 2013
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Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
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Weather Summary
Kari Kiefer
Weather Underground Forecast for Tuesday, May 21, 2013.

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

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails 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 will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue 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 Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
Weather Underground Forecast for Tuesday, May 21, 2013.

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

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails 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 will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue 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 Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
More News Articles

Spring House Weather at a Glance

Updated 7:01 AM EDT
Elevation
358 ft
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Now
Fog
Fog
Temperature
66.0 °F
Feels Like 66.0 °F
Wind(mph)
0.0
Sunrise / Set
5:39 AM
8:15 PM
Moon
Waxing Gibbous
Today
Chance of a Thunderstorm 84 °F
Chance of T-storms
30% chance of precipitation
Tonight
Chance of a Thunderstorm 70 °F
Chance of T-storms
30% chance of precipitation
Tomorrow
Chance of a Thunderstorm 88 | 70 °F
Chance of T-storms
40% chance of precipitation
Thursday
Chance of a Thunderstorm 79 | 55 °F
Chance of T-storms
50% chance of precipitation
Friday
Chance of a Thunderstorm 70 | 48 °F
Chance of T-storms
70% chance of precipitation
Saturday
Chance of Rain 70 | 45 °F
Chance of Rain
50% chance of precipitation
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
29.98 in
Visibility
0.5 miles
Clouds
Moisture
Humidity
99%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KDYL 211054Z AUTO 22003KT 1/2SM FG VV002 18/18 A2998 RMK AO2 SLP150 T01830183 TSNO $
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
66.0 °F
73,70,65,65,64,63,63,61,61,62,64,64,64
Dew Point
66 °F
Wind
Speed / Dir
Calm
Wind Gust
2.2 mph
Health
UV
Not available.
Pollen
6.70 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 84F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. Low of 70F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Wednesday
chancetstorms Mostly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 88F. Winds from the SW at 5 to 15 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 70F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Thursday
chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the SW at 10 to 15 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the evening, then overcast with a chance of a thunderstorm and rain. Low of 55F. Winds from the SSW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Friday
chancetstorms Overcast with a chance of a thunderstorm and rain in the morning, then partly cloudy with a chance of a thunderstorm and rain. Fog early. High of 70F. Winds from the SW at 5 to 10 mph shifting to the WNW in the afternoon. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the evening, then overcast with a chance of rain. Low of 48F. Winds from the NNW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.7 in. possible.
Saturday
chancerain Overcast with a chance of rain in the morning, then partly cloudy. High of 70F. Breezy. Winds from the NNW at 15 to 20 mph. Chance of rain 50%.
Saturday Night
nt_clear Clear. Low of 45F. Winds from the NW at 10 to 15 mph.
Sunday
clear Clear. High of 73F. Winds from the NW at 10 to 15 mph.
Sunday Night
nt_clear Clear. Low of 39F. Winds from the NNW at 5 to 10 mph.
Monday
clear Clear. High of 70F. Winds from the WNW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 43F. Winds less than 5 mph.
Tuesday
partlycloudy Clear. High of 72F. Winds from the SSW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 57F. Winds from the South at 5 to 10 mph.
Wednesday
chancerain Mostly cloudy with a chance of rain. High of 79F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_cloudy Overcast. Fog overnight. Low of 59F. Winds less than 5 mph.
Thursday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 63F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 82F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Clear. Fog overnight. Low of 63F. Winds less than 5 mph.
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Weather Forecast for Spring House PA

View Calendar 10-Day Forecast for station KLOM

Tuesday, 21
Chance of a Thunderstorm
84 | 70 °F
Chance of T-storms
Chance of
Precipitation
30%
Wednesday, 22
Chance of a Thunderstorm
88 | 70 °F
Chance of T-storms
Chance of
Precipitation
40%
Thursday, 23
Chance of a Thunderstorm
79 | 55 °F
Chance of T-storms
Chance of
Precipitation
50%
Friday, 24
Chance of a Thunderstorm
70 | 48 °F
Chance of T-storms
Chance of
Precipitation
70%
Saturday, 25
Chance of Rain
70 | 45 °F
Chance of Rain
Chance of
Precipitation
50%
Sunday, 26
Clear
73 | 39 °F
Clear
Chance of
Precipitation
0%
Monday, 27
Clear
70 | 43 °F
Clear
Chance of
Precipitation
0%
Tuesday, 28
Partly Cloudy
72 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 29
Chance of Rain
79 | 59 °F
Chance of Rain
Chance of
Precipitation
40%
Thursday, 30
Fog
81 | 63 °F
Fog
Chance of
Precipitation
0%
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 84F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. Low of 70F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 63 79 | 65 82 | 64 72 | 65
Wind 2 mph SSW 8 mph SW 7 mph SW 6 mph SW
Humidity 84% 63% 53% 78%
Chance of Precip. 10% 20% 20% 30%
Cloud Cover 52% 59% 29% 45%
Conditions Fog Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:39 AM
8:15 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.51], Average RMSE [1.93]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.28], Average RMSE [2.16] : Use NWS
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
chancetstorms Mostly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 88F. Winds from the SW at 5 to 15 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 70F. 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 77 | 65 82 | 64 74 | 64
Wind 7 mph SW 10 mph SW 10 mph SSW 8 mph SSW
Humidity 72% 67% 54% 74%
Chance of Precip. 30% 40% 40% 40%
Cloud Cover 100% 60% 90% 53%
Conditions Chance of a Thunderstorm Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:39 AM
8:16 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.51], Average RMSE [1.96]
The National Weather Service forecast quality is good. MaxT RMSE [1.63], Average RMSE [2.06] : Use NWS
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Overcast with a chance of a thunderstorm and a chance of rain. High of 79F. Winds from the SW at 10 to 15 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the evening, then overcast with a chance of a thunderstorm and rain. Low of 55F. Winds from the SSW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 64 75 | 64 78 | 63 69 | 65
Wind 8 mph SSW 11 mph SSW 9 mph SW 7 mph SSW
Humidity 83% 67% 59% 86%
Chance of Precip. 40% 50% 50% 40%
Cloud Cover 78% 91% 76% 63%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:38 AM
8:17 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.65], Average RMSE [1.63]
The National Weather Service forecast quality is good. MaxT RMSE [1.85], Average RMSE [1.51] : Use NWS
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Overcast with a chance of a thunderstorm and rain in the morning, then partly cloudy with a chance of a thunderstorm and rain. Fog early. High of 70F. Winds from the SW at 5 to 10 mph shifting to the WNW in the afternoon. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the evening, then overcast with a chance of rain. Low of 48F. Winds from the NNW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.7 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 60 65 | 65 66 | 62 54 | 51
Wind 4 mph SW 8 mph SW 10 mph NW 13 mph NNW
Humidity 97% 99% 87% 92%
Chance of Precip. 20% 30% 30% 30%
Cloud Cover 98% 72% 62% 24%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:37 AM
8:18 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.12], Average RMSE [2.25]
The National Weather Service forecast quality is good. MaxT RMSE [2.42], Average RMSE [1.81] : Use NWS
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Saturday
chancerain Overcast with a chance of rain in the morning, then partly cloudy. High of 70F. Breezy. Winds from the NNW at 15 to 20 mph. Chance of rain 50%.
Saturday Night
nt_clear Clear. Low of 45F. Winds from the NW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 47 65 | 44 64 | 44 53 | 36
Wind 13 mph NNW 16 mph North 15 mph NNW 11 mph NW
Humidity 86% 46% 45% 53%
Chance of Precip. 30% 20% 10% 0%
Cloud Cover 98% 56% 2% 3%
Conditions Chance of Rain Chance of Rain Clear Clear
Sunrise & Sunset
5:37 AM
8:19 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.31], Average RMSE [3.10]
The National Weather Service forecast quality is fair. MaxT RMSE [2.69], Average RMSE [2.03] : Use NWS
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Sunday
clear Clear. High of 73F. Winds from the NW at 10 to 15 mph.
Sunday Night
nt_clear Clear. Low of 39F. Winds from the NNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 37 66 | 40 70 | 42 49 | 32
Wind 9 mph NW 12 mph NW 9 mph NW 7 mph North
Humidity 58% 37% 37% 51%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 10% 4% 23%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:36 AM
8:19 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.98], Average RMSE [2.89]
The National Weather Service forecast quality is fair. MaxT RMSE [2.78], Average RMSE [2.17] : Use NWS
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Monday
clear Clear. High of 70F. Winds from the WNW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 43F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 31 65 | 42 68 | 47 51 | 45
Wind 5 mph NNW 5 mph WNW 7 mph West 5 mph SW
Humidity 55% 40% 46% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 2% 22% 10%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:36 AM
8:20 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.46], Average RMSE [2.85]
The National Weather Service forecast quality is good. MaxT RMSE [2.44], Average RMSE [1.97] : Use NWS
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
partlycloudy Clear. High of 72F. Winds from the SSW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 57F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 45 65 | 54 70 | 56 62 | 59
Wind 2 mph West 5 mph SSW 8 mph South 5 mph SSE
Humidity 87% 65% 62% 93%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 14%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:35 AM
8:21 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.59], Average RMSE [3.82]
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
chancerain Mostly cloudy with a chance of rain. High of 79F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_cloudy Overcast. Fog overnight. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 58 68 | 62 73 | 63 60 | 60
Wind 2 mph South 2 mph South 3 mph SSE 2 mph SSE
Humidity 98% 79% 74% 100%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 42% 78% 90% 95%
Conditions Fog Mostly Cloudy Overcast Fog
Sunrise & Sunset
5:34 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.58], Average RMSE [3.65]
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 63 72 | 67 77 | 69 64 | 64
Wind 1 mph SSE 3 mph South 4 mph South 3 mph South
Humidity 100% 84% 75% 100%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 69% 62% 53% 45%
Conditions Fog Partly Cloudy Partly Cloudy Fog
Sunrise & Sunset
5:34 AM
8:23 PM
Source: BestForecast at 3:41 AM EDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 82F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Clear. Fog overnight. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 65 75 | 67 78 | 71 65 | 65
Wind 2 mph SSW 2 mph SW 3 mph SSW 2 mph South
Humidity 95% 77% 76% 100%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 37% 39% 51% %
Conditions Fog Partly Cloudy Partly Cloudy Fog
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KPNE) 70 °F 51 °F
Record (KPNE) 82 °F (1998) 39 °F (2002)
Yesterday 78.8 °F 57.2 °F
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
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:39 AM EDT 8:15 PM EDT
Civil Twilight 5:08 AM EDT 8:47 PM EDT
Nautical Twilight 4:29 AM EDT 9:26 PM EDT
Astronomical Twilight 3:45 AM EDT 10:10 PM EDT
Moon 4:26 PM EDT 3:06 AM EDT
Length Of Visible Light 15h 38m
Length of Day
14h 35m
Tomorrow will be 1m 38s longer.
Waxing Gibbous, 82% of the Moon is Illuminated
Today
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
75 °F
Erie
71 °F
Meadville
71 °F
Philadelphia
71 °F
Pittsburgh
70 °F
Du Bois
57 °F
Selinsgrove
59 °F
Fort Indiantown Gap
59 °F
Williamsport
59 °F
Quakertown
59 °F
Allentown
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
Philadelphia Wings Airport This station is not reporting.
Doylestown 65 °F Fog 6:54 AM EDT
Northeast Philadelphia 68 °F Overcast 6:54 AM EDT
Pottstown 68 °F Scattered Clouds 6:54 AM EDT
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: LIFR (KDYL)
Wind Speed: 3.0 kts.
Wind Dir: 239° (WSW)
Ceiling: Unlimited

METAR KDYL 211054Z AUTO 22003KT 1/2SM FG VV002 18/18 A2998 RMK AO2 SLP150 T01830183 TSNO $

View all Reports & Maps
Nearby Events
Event Date Forecast
UKRAINIAN EASTER EGGS 1:00 PM EDT
2013-04-15		 Mostly Cloudy, 59°F
The Late Ancients 8:00 PM EDT
2013-04-19		 Overcast, 64°F
Event data courtesy eviesays.com
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Weather Stations
Station Location Temp. Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Maple Glen, Maple Glen, PA 66.0 °F 66 °F 99% WSW  at  0.0 mph 0.00 in / hr 358 ft 7:01 AM EDT Rapid Fire  
Maple Glen, PA 66.4 °F 66 °F 99% SE  at  3.1 mph 0.00 in / hr 345 ft 7:01 AM EDT Rapid Fire  
Downtown Fort Washington, Fort Washington, PA 66.5 °F 61 °F 83% North  at  0.0 mph 0.00 in / hr 229 ft 7:01 AM EDT Rapid Fire
Cambridge Knoll, Lansdale, PA 66.9 °F 66 °F 97% NW  at  0.0 mph 0.00 in / hr 420 ft 7:01 AM EDT Rapid Fire  
Valley Forge / Morris, Lansdale, PA 66.5 °F 66 °F 99% North  at  0.0 mph - / hr 0 ft 6:50 AM EDT Normal  
HorshamWeather.Com, Horsham, PA 67.2 °F 65 °F 94% North  at  0.0 mph 0.00 in / hr 325 ft 7:01 AM EDT Rapid Fire
Towamencin, Towamencin, PA 67.3 °F 59 °F 75% SW  at  0.0 mph 0.00 in / hr 238 ft 7:00 AM EDT Normal
North Hills, North Hills, PA 66.5 °F 65 °F 95% SSW  at  0.0 mph 0.00 in / hr 287 ft 7:01 AM EDT Rapid Fire
APRSWXNET Glenside PA , Oreland, PA 67 °F 66 °F 96% NNW  at  0 mph 0.00 in / hr 311 ft 6:31 AM EDT MADIS
Roslyn, Abington, PA 66.7 °F 60 °F 80% WNW  at  2.2 mph 0.00 in / hr 295 ft 7:01 AM EDT Rapid Fire
Erdenheim, Erdenheim, PA 65.4 °F 65 °F 100% SW  at  0.0 mph 0.00 in / hr 220 ft 6:40 AM EDT Normal
Line Lexington, Line Lexington, PA 66.8 °F 66 °F 98% SW  at  0.0 mph 0.00 in / hr 300 ft 7:01 AM EDT Rapid Fire
Willow Grove Weather Center, Willow Grove, PA 66.5 °F 66 °F 97% West  at  2.0 mph 0.00 in / hr 440 ft 7:00 AM EDT Normal  
Lafayette Hill, Whitemarsh, PA 67.7 °F 68 °F 100% SW  at  0.0 mph 0.00 in / hr 215 ft 6:57 AM EDT Normal  
Warrington, Warrington, PA 66.0 °F 65 °F 97% West  at  0.0 mph 0.00 in / hr 420 ft 7:01 AM EDT Rapid Fire  
Shadow Ridge, Chalfont, PA 67.6 °F 66 °F 95% WSW  at  0.0 mph 0.00 in / hr 350 ft 7:00 AM EDT Normal
Germantown Ave. Chestnut Hill, Philadelphia, PA 65.2 °F 62 °F 91% SW  at  0.0 mph 0.00 in / hr 185 ft 6:34 AM EDT Normal
Stover MIll, Warminster, PA 65.1 °F 64 °F 98% South  at  1.2 mph 0.00 in / hr 223 ft 7:01 AM EDT Rapid Fire
Doylestown Township, Doylestown, PA 63.4 °F 63 °F 100% West  at  0.0 mph - / hr 213 ft 6:50 AM EDT Normal  
APRSWXNET Skippack P, Cedars, PA 64 °F 56 °F 76% SW  at  0 mph 0.00 in / hr 187 ft 6:32 AM EDT MADIS
Silversmythe, Chalfont, PA 66.4 °F 66 °F 100% NE  at  0.0 mph 0.00 in / hr 298 ft 7:01 AM EDT Rapid Fire
Store Road, Harleysville, PA 66.1 °F 66 °F 99% SW  at  0.0 mph 0.00 in / hr 253 ft 7:01 AM EDT Rapid Fire
Elroy, Souderton, PA 66.6 °F 66 °F 98% WSW  at  0.0 mph 0.00 in / hr 358 ft 6:50 AM EDT Normal  
Woodfield Estates, Jamison, PA 66.5 °F 66 °F 97% West  at  0.0 mph 0.00 in / hr 230 ft 7:00 AM EDT Rapid Fire  
Eagleville, PA 66.1 °F 66 °F 100% SW  at  0.0 mph 0.00 in / hr 459 ft 7:01 AM EDT Rapid Fire
Rockwell Terrace in Biltmore Estates, Skippack, PA 67.8 °F 67 °F 96% NW  at  0.0 mph 0.00 in / hr 249 ft 7:00 AM EDT Normal  
West Mount Airy, Philadelphia, PA 67.1 °F 66 °F 96% West  at  1.1 mph 0.00 in / hr 346 ft 7:00 AM EDT Rapid Fire  
Rydal, Jenkintown, PA 66.9 °F 66 °F 98% SSE  at  0.0 mph 0.00 in / hr 318 ft 7:00 AM EDT Normal  
Harleysville/Skippack, Harleysville, PA 66.8 °F 67 °F 100% SSW  at  0.0 mph 0.00 in / hr 320 ft 7:01 AM EDT Rapid Fire
Bryn Athyn, Huntingdon Valley, PA 66.8 °F 66 °F 98% WSW  at  3.0 mph 0.00 in / hr 280 ft 7:01 AM EDT Rapid Fire  
Doylestown Twp (Pebble Hill Rd), Doylestown, PA 65.5 °F 64 °F 93% NW  at  1.6 mph 0.00 in / hr 250 ft 7:01 AM EDT Rapid Fire  
Hilltown Township, Perkasie, PA 65.8 °F 63 °F 92% South  at  2.0 mph 0.00 in / hr 656 ft 7:01 AM EDT Rapid Fire
Hilltown Township Secondary, Perkasie, PA 65.8 °F 65 °F 97% South  at  0.0 mph 0.00 in / hr 656 ft 7:01 AM EDT Rapid Fire
Furlong (Cloverly), Furlong, PA 61.7 °F 61 °F 98% SSW  at  0.0 mph 0.00 in / hr 248 ft 7:00 AM EDT Normal  
APRSWXNET Phila PA , Philadelphia, PA 66 °F 66 °F 100% NW  at  0 mph 0.00 in / hr 259 ft 6:20 AM EDT MADIS
Beth Ayres/High Road, Huntingdon Valley, PA 66.8 °F 66 °F 98% West  at  0.0 mph 0.00 in / hr 250 ft 6:58 AM EDT Normal  
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Special Statement
Mobile & Email Alerts Statement as of 5:08 AM EDT on May 21, 2013

... Patchy fog this morning...

Patchy fog has developed across the area this morning. Some
locally dense fog will occur with visibilities less than one mile
will occur. The fog will begin to burn off by around 8 am.

Drivers are urged to use caution while driving. Be prepared for
reduced visibility in spots and leave plenty of room between your
vehicle and the one ahead of you.