South Riding, VA

5:49 PM EDT on May 27, 2012 (GMT -0400)
Elev: 285 ft
Lon: 77.5° W
Lat: 38.9° N
Source
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Active Advisory: Air Quality Alert (US Severe Weather)
Tropical Weather: Tropical Storm Beryl (North Atlantic) Tropical Storm Sanvu (Western Pacific)
Weather Summary
Jessica Parker
Weather Underground midday recap for Sunday, May 27, 2012.

Tropical Storm Beryl, located about 110 miles east of Jacksonville, Florida, continued to effect the coasts of northeastern Florida and Georgia on Sunday. Beryl moved toward the west near 10 mph this afternoon, with sustained winds of 43 mph and gust to 52 mph. A westward motion was expected to continue through landfall Sunday night. Tropical storm conditions reached the coast of northeast Florida and southeastern Georgia this afternoon and were expected to continue through tonight. Dangerous surf conditions, including rip currents and storm surge effected coastal areas of northeastern Florida and Georgia, while rain spread inland. For more information on Tropical Storm Beryl, please visit http://www.wunderground.com/tropical.

Meanwhile, to the north, a deep storm from the Northwest moved into the Dakotas. The storm kicked up rain showers and high elevation snow across the Northern and Central Rockies and rain showers in North Dakota. Winter Weather Advisories remained in effect for elevations above 5,000 feet in the Northern Rockies through this evening. New snow accumulations of 1 to 3 inches were anticipated across the lower elevations, with 4 to 6 inches possible for higher elevations through this evening. Moist winds from this system also supported a few light showers and thunderstorms in parts of the Northern Intermountains West and Upper Central Great Basin.

Ahead of the system, an associated warm front reached from the Northern Plains through the Lower Great Lakes. Moisture from the Gulf of Mexico spread across the front and aided in producing rain and thunderstorms across northern Michigan and northwestern Pennsylvania. Behind this activity, a cold front with a wave of low pressure extended southwestward from the low and pushed across the Central Plains. Portions of the Central Plains, from northern Kansas across eastern Nebraska and northwestern Iowa and southwestern Minnesota were at moderate risk of severe weather development. The main concerns with severe storms in these areas were large hail events, damaging wind gusts, and possible tornadoes. A slight risk of severe development surrounded the moderate risk area from the Southern and Central Plains into the Upper Great Lakes. Parts of northeastern Ohio to extreme western New York were also at slight risk of severe weather development with damaging winds and heavy rainfall.
Weather Underground midday recap for Sunday, May 27, 2012.

Tropical Storm Beryl, located about 110 miles east of Jacksonville, Florida, continued to effect the coasts of northeastern Florida and Georgia on Sunday. Beryl moved toward the west near 10 mph this afternoon, with sustained winds of 43 mph and gust to 52 mph. A westward motion was expected to continue through landfall Sunday night. Tropical storm conditions reached the coast of northeast Florida and southeastern Georgia this afternoon and were expected to continue through tonight. Dangerous surf conditions, including rip currents and storm surge effected coastal areas of northeastern Florida and Georgia, while rain spread inland. For more information on Tropical Storm Beryl, please visit http://www.wunderground.com/tropical.

Meanwhile, to the north, a deep storm from the Northwest moved into the Dakotas. The storm kicked up rain showers and high elevation snow across the Northern and Central Rockies and rain showers in North Dakota. Winter Weather Advisories remained in effect for elevations above 5,000 feet in the Northern Rockies through this evening. New snow accumulations of 1 to 3 inches were anticipated across the lower elevations, with 4 to 6 inches possible for higher elevations through this evening. Moist winds from this system also supported a few light showers and thunderstorms in parts of the Northern Intermountains West and Upper Central Great Basin.

Ahead of the system, an associated warm front reached from the Northern Plains through the Lower Great Lakes. Moisture from the Gulf of Mexico spread across the front and aided in producing rain and thunderstorms across northern Michigan and northwestern Pennsylvania. Behind this activity, a cold front with a wave of low pressure extended southwestward from the low and pushed across the Central Plains. Portions of the Central Plains, from northern Kansas across eastern Nebraska and northwestern Iowa and southwestern Minnesota were at moderate risk of severe weather development. The main concerns with severe storms in these areas were large hail events, damaging wind gusts, and possible tornadoes. A slight risk of severe development surrounded the moderate risk area from the Southern and Central Plains into the Upper Great Lakes. Parts of northeastern Ohio to extreme western New York were also at slight risk of severe weather development with damaging winds and heavy rainfall.
Weather Underground Broadcast Network

South Riding Weather at a Glance

Updated 5:48 PM EDT
Elevation
303 ft
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Now
Scattered Clouds
Scattered Clouds
Temperature
84.9 °F
Feels Like 89 °F
Wind(mph)
1.0
Sunrise / Set
5:48 AM
8:26 PM
Moon
Waxing Crescent
Tonight
Partly Cloudy 68 °F
Partly Cloudy
Tomorrow
Chance of a Thunderstorm 90 °F
Chance of T-storms
20% chance of precipitation
Tomorrow Night
Partly Cloudy 72 °F
Partly Cloudy
Tuesday
Chance of a Thunderstorm 88 | 70 °F
Chance of T-storms
40% chance of precipitation
Wednesday
Partly Cloudy 88 | 61 °F
Partly Cloudy
Thursday
Clear 81 | 61 °F
Clear
Tomorrow is forecast to be nearly the same temperature as today.
Conditions
Pressure
30.06 in
Visibility
10.0 miles
Clouds
Few 4400 ft
Scattered Clouds 25000 ft
Moisture
Humidity
60%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIAD 272052Z 18006KT 10SM FEW044 SCT250 29/19 A3007 RMK AO2 SLP180 T02940194 56018
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Heat Index
89 °F
Dew Point
70 °F
Wind
Speed / Dir
1.0 mph from South
Wind Gust
7.0 mph
Health
UV
4 out of 16
Pollen
7.70 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Sunday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the South at 5 to 10 mph.
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. High of 90F with a heat index of 97F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the SSW at 5 to 10 mph.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain in the morning, then mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 88F with a heat index of 99F. Winds from the SSW at 10 to 15 mph. Chance of rain 40%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Low of 70F. Winds from the WSW at 5 to 10 mph. Chance of rain 50%.
Wednesday
partlycloudy Partly cloudy. Fog early. High of 88F. Winds from the WNW at 5 to 10 mph.
Wednesday Night
nt_chancerain Partly cloudy with a chance of rain in the evening, then clear. Low of 61F. Winds from the West at 5 to 10 mph shifting to the NNW after midnight. Chance of rain 20%.
Thursday
clear Clear. High of 81F. Winds from the NNW at 5 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 61F. Winds less than 5 mph.
Friday
chancerain Mostly cloudy with a chance of rain. High of 75F. Winds from the ESE at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 61F. Winds from the SW at 10 to 15 mph. Chance of rain 60% with rainfall amounts near 0.7 in. possible.
Saturday
partlycloudy Partly cloudy. High of 75F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_clear Clear. Low of 59F. Winds from the NW at 5 to 15 mph.
Sunday
clear Clear. High of 77F. Winds from the WNW at 5 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds from the WSW at 5 to 10 mph.
Monday
chancerain Partly cloudy with a chance of rain. High of 81F. Winds from the West at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 61F. Winds less than 5 mph. Chance of rain 20%.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F with a heat index of 88F. Winds less than 5 mph. Chance of rain 20%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 20%.
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 84F with a heat index of 93F. Winds less than 5 mph. Chance of rain 20%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 20%.
Thursday
clear Clear. High of 84F with a heat index of 93F. Winds less than 5 mph.
Thursday Night
nt_clear Clear. Low of 64F. Winds less than 5 mph.
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Forecast

View Calendar 10-Day Forecast for station KVACHANT3

Sunday, 27
Partly Cloudy
90 | 68 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 28
Chance of a Thunderstorm
90 | 72 °F
Chance of T-storms
Chance of
Precipitation
20%
Tuesday, 29
Chance of a Thunderstorm
88 | 70 °F
Chance of T-storms
Chance of
Precipitation
40%
Wednesday, 30
Partly Cloudy
88 | 61 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Clear
81 | 61 °F
Clear
Chance of
Precipitation
0%
Friday, 1
Chance of Rain
75 | 61 °F
Chance of Rain
Chance of
Precipitation
70%
Saturday, 2
Partly Cloudy
75 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 3
Clear
77 | 59 °F
Clear
Chance of
Precipitation
0%
Monday, 4
Chance of Rain
81 | 61 °F
Chance of Rain
Chance of
Precipitation
20%
Tuesday, 5
Chance of a Thunderstorm
82 | 64 °F
Chance of T-storms
Chance of
Precipitation
20%
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Sunday Night
nt_partlycloudy Partly cloudy. Low of 68F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 70 83 | 71 83 | 71 74 | 70
Wind 5 mph SSE 7 mph South 6 mph South 6 mph SSE
Humidity 91% 68% 63% 85%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 43% 41% 52% 63%
Conditions Fog Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:48 AM
8:26 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.92], Average RMSE [1.75]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.44], Average RMSE [1.45] : Use NWS
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. High of 90F with a heat index of 97F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_partlycloudy Partly cloudy. Low of 72F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 69 84 | 75 86 | 73 75 | 71
Wind 4 mph South 8 mph SSW 8 mph South 6 mph South
Humidity 96% 74% 65% 82%
Chance of Precip. 10% 10% 20% 10%
Cloud Cover 56% 39% 57% 46%
Conditions Partly Cloudy Partly Cloudy Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:48 AM
8:27 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.86], Average RMSE [2.00]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.47], Average RMSE [1.56] : Use NWS
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain in the morning, then mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 88F with a heat index of 99F. Winds from the SSW at 10 to 15 mph. Chance of rain 40%.
Tuesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Low of 70F. Winds from the WSW at 5 to 10 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 72 82 | 72 86 | 77 78 | 74
Wind 7 mph SSW 11 mph SSW 9 mph SSW 5 mph WSW
Humidity 92% 70% 74% 87%
Chance of Precip. 10% 30% 40% 30%
Cloud Cover 48% 57% 72% 97%
Conditions Partly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:47 AM
8:27 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.82], Average RMSE [1.76]
The National Weather Service forecast quality is good. MaxT RMSE [1.99], Average RMSE [1.75] : Use NWS
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy. Fog early. High of 88F. Winds from the WNW at 5 to 10 mph.
Wednesday Night
nt_chancerain Partly cloudy with a chance of rain in the evening, then clear. Low of 61F. Winds from the West at 5 to 10 mph shifting to the NNW after midnight. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 69 81 | 68 81 | 62 66 | 55
Wind 3 mph West 6 mph WNW 3 mph WNW 7 mph West
Humidity 92% 63% 52% 68%
Chance of Precip. 20% 10% 0% 20%
Cloud Cover 90% 53% 31% 25%
Conditions Chance of Rain Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
5:47 AM
8:28 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.34], Average RMSE [1.69]
The National Weather Service forecast quality is good. MaxT RMSE [2.28], Average RMSE [1.79] : Use NWS
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Thursday
clear Clear. High of 81F. Winds from the NNW at 5 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 61F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 56 78 | 61 75 | 58 63 | 55
Wind 8 mph NNW 9 mph NNW 5 mph North 4 mph SSE
Humidity 83% 54% 54% 74%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 0% 0% 0% 76%
Conditions Clear Clear Clear Mostly Cloudy
Sunrise & Sunset
5:46 AM
8:29 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.35], Average RMSE [2.68]
The National Weather Service forecast quality is good. MaxT RMSE [2.41], Average RMSE [2.25] : Use NWS
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Friday
chancerain Mostly cloudy with a chance of rain. High of 75F. Winds from the ESE at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 61F. Winds from the SW at 10 to 15 mph. Chance of rain 60% with rainfall amounts near 0.7 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 73 | 63 73 | 71 67 | 63
Wind 5 mph SE 9 mph ESE 10 mph ESE 10 mph SW
Humidity 90% 72% 91% 89%
Chance of Precip. 10% 30% 30% 40%
Cloud Cover 51% 100% 100% 30%
Conditions Partly Cloudy Chance of Rain Chance of Rain Chance of a Thunderstorm
Sunrise & Sunset
5:46 AM
8:29 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.32], Average RMSE [2.40]
The National Weather Service forecast quality is fair. MaxT RMSE [2.92], Average RMSE [2.68] : Use NWS
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 75F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_clear Clear. Low of 59F. Winds from the NW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 62 72 | 64 71 | 58 60 | 55
Wind 10 mph WNW 15 mph WNW 14 mph WNW 7 mph NW
Humidity 90% 75% 61% 83%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 15% 50% 38% 2%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:46 AM
8:29 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.72], Average RMSE [3.02]
The National Weather Service forecast quality is fair. MaxT RMSE [2.86], Average RMSE [2.50] : Use NWS
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Sunday
clear Clear. High of 77F. Winds from the WNW at 5 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds from the WSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 56 74 | 58 74 | 59 69 | 55
Wind 9 mph WNW 10 mph NW 8 mph WNW 5 mph West
Humidity 87% 60% 58% 62%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 3% 0% 0% 56%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:46 AM
8:29 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.84], Average RMSE [3.49]
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Monday
chancerain Partly cloudy with a chance of rain. High of 81F. Winds from the West at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 61F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 55 75 | 56 80 | 59 69 | 58
Wind 5 mph SW 4 mph West 4 mph West 2 mph West
Humidity 75% 53% 49% 71%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 73% 74% 54% 36%
Conditions Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:46 AM
8:29 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.21], Average RMSE [4.21]
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F with a heat index of 88F. Winds less than 5 mph. Chance of rain 20%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 58 77 | 70 81 | 72 72 | 65
Wind 2 mph WSW 2 mph SW 2 mph SW 2 mph WSW
Humidity 77% 77% 75% 78%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 19% 12% 16% 22%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:46 AM
8:29 PM
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 84F with a heat index of 93F. Winds less than 5 mph. Chance of rain 20%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 62 77 | 74 83 | 76 70 | 65
Wind 2 mph West 2 mph WNW 1 mph WNW 1 mph WNW
Humidity 83% 82% 79% 81%
Chance of Precip. 10% 0% 10% 10%
Cloud Cover 32% 39% 43% 38%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:46 AM
8:29 PM
Source: BestForecast at 5:17 PM EDT on May 27, 2012
Descriptive Forecast
Thursday
clear Clear. High of 84F with a heat index of 93F. Winds less than 5 mph.
Thursday Night
nt_clear Clear. Low of 64F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 62 77 | 74 82 | 75 -9998 | -9998
Wind 2 mph WNW 1 mph WNW 1 mph South -9998 mph North
Humidity 85% 83% 78% 81%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 23% % % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:46 AM
8:29 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 27, 2012 Max Temp Min Temp
Normal (KIAD) 78 °F 53 °F
Record (KIAD) 92 °F (1965) 37 °F (1972)
Yesterday 86 °F 66 °F
Yesterday's Cooling Degree Days: 11
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
PM10
Current Good
OZONE
Current Good
PM2.5
Sunday Unhealthy for Sensitive Groups
OZONE
Sunday Moderate
PM2.5
Monday Moderate
OZONE
Monday Moderate
PM2.5
Tuesday Moderate
OZONE
Tuesday Moderate
PM2.5
Wednesday Good
OZONE
Wednesday Good
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 79.0 °F
Lewisetta, VA 80.1 °F
Solomons Island, MD 73.9 °F
Marine Forecast
Astronomy
May. 27, 2012 Rise Set
Actual Time 5:48 AM EDT 8:26 PM EDT
Civil Twilight 5:17 AM EDT 8:57 PM EDT
Nautical Twilight 4:38 AM EDT 9:36 PM EDT
Astronomical Twilight 3:55 AM EDT 10:19 PM EDT
Moon 11:49 AM EDT 12:33 AM EDT
Length Of Visible Light 15h 39m
Length of Day
14h 37m
Tomorrow will be 1m 16s longer.
Waxing Crescent, 40% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
90 °F
Warrenton
89 °F
Fredericksburg
89 °F
Quantico
89 °F
Jonesville
89 °F
Williamsburg
60 °F
South Hill
60 °F
Emporia
61 °F
West Point
62 °F
Martinsville
62 °F
Lynchburg
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Travel Planning
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Nearby Events
Event Date Forecast
Mr. Knick Knack! Children's Performance 10:00 AM EDT 2012-05-28 Partly Cloudy, 80°F
Mega Multi Vendor Garage Sale 9:00 AM EDT 2012-05-28 Partly Cloudy, 77°F
Dart Night 8:00 PM EDT 2012-05-29 Chance of a Thunderstorm, 82°F
Trivia Night 7:00 PM EDT 2012-05-30 Overcast, 79°F
Nintex Workflow 2010 Training | May 30-31, 2012 9:00 AM EDT 2012-05-30 Fog, 75°F
Virginia Trenchless Technology Municipal Users' Forum 8:00 AM EDT 2012-05-30 Fog, 73°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Dulles Airport 85 °F Scattered Clouds 4:52 PM EDT
Leesburg 86 °F Clear 5:35 PM EDT
Manassas 86 °F Clear 4:45 PM EDT
Fort Belvoir 86 °F Clear 4:55 PM EDT
View all Aviation Tools
Flight To ETA Status
SKW6408
Indianapolis, IN 		KIAD 05:44PM On Time
UAL856
Los Angeles, CA 		KIAD 06:02PM On Time
CPZ5709
Minneapolis, MN 		KIAD 06:16PM On Time
UAL306
Houston, TX 		KIAD 06:17PM On Time
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: VFR (KIAD)
Wind Speed: 6.0 kts.
Wind Dir: 180° (South)
Ceiling: Unlimited

METAR KIAD 272052Z 18006KT 10SM FEW044 SCT250 29/19 A3007 RMK AO2 SLP180 T02940194 56018

View all Reports & Maps
Sports
Event Date Forecast
Rockies vs. Reds 1:10 PM EDT on May 27, 2012 Partly Cloudy, 94 °F
Padres vs. Mets 1:10 PM EDT on May 27, 2012 Partly Cloudy, 79 °F
Braves vs. Nationals 7:05 PM EDT on June 01, 2012 Chance of a Thunderstorm, 74 °F
Braves vs. Nationals 4:05 PM EDT on June 02, 2012 Partly Cloudy, 72 °F
Event Date Forecast
Huesca vs. Deportivo 8:00 PM CEST on May 27, 2012 Chance of Rain, High 62° F/ 17° C
Celta Vigo vs. Gimnàstic 8:00 PM CEST on May 27, 2012 Scattered Clouds, High 75° F/ 24° C
Montreal vs. D.C. 7:30 PM EDT on June 30, 2012 Average High 87° F/ 30° C
Columbus vs. D.C. 7:30 PM EDT on August 04, 2012 Average High 88° F/ 31° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Partly Cloudy, 85 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
the Memorial Tournament presented by Nationwide Insurance 8:30 AM EDT on May 31, 2012 Partly Cloudy, 56 °F
the Memorial Tournament presented by Nationwide Insurance 8:30 AM EDT on June 01, 2012 Chance of a Thunderstorm, 56 °F
AT&T National 8:30 AM EDT on June 28, 2012 Average High 86° F/ 29° C
AT&T National 8:30 AM EDT on June 29, 2012 Average High 87° F/ 30° C
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Ridings at Blue Springs, Chantilly, VA 84.9 °F 89 °F 70 °F 60% South  at  1.0 mph 0.00 in / hr 303 ft 5:48 PM EDT Normal
Brambleton, Brambleton, VA 87.2 °F 92 °F 70 °F 57% South  at  0.0 mph 0.00 in / hr 310 ft 5:49 PM EDT Rapid Fire  
Compass Rose Farm, Haymarket, VA 84.7 °F 89 °F 70 °F 62% South  at  13.0 mph 0.00 in / hr 350 ft 5:49 PM EDT Rapid Fire  
Wind Power Cube, Chantilly, VA 86.9 °F 89 °F 65 °F 48% SSW  at  8.3 mph 0.00 in / hr 203 ft 5:49 PM EDT Rapid Fire  
CENTREweather, Centreville, VA 85.5 °F 89 °F 68 °F 55% SE  at  4.0 mph 0.00 in / hr 262 ft 5:49 PM EDT Rapid Fire
Gracie's Window in FranklinGlen, Fairfax, VA 90.4 °F 96 °F 70 °F 51% North  at  0.0 mph 2.59 in / hr 365 ft 5:40 PM EDT Rapid Fire  
Brookfield, Chantilly, VA 83.8 °F 81 °F 40 °F 21% South  at  2.7 mph 0.00 in / hr 260 ft 5:47 PM EDT Normal  
Franklin Glen/KR4YO, Fairfax, VA 86.0 °F 90 °F 68 °F 56% South  at  2.2 mph 0.00 in / hr 367 ft 5:49 PM EDT Rapid Fire  
Chantilly Highlands, Herndon, VA 85.3 °F 89 °F 69 °F 58% SE  at  13.0 mph 0.00 in / hr 340 ft 5:49 PM EDT Rapid Fire  
Oak Valley / Yewing, Gainesville, VA 83.6 °F 86 °F 67 °F 57% WSW  at  6.0 mph 0.00 in / hr 370 ft 5:42 PM EDT Normal  
Oak Valley/KT4ER, Gainesville, VA 84.7 °F 88 °F 68 °F 58% South  at  5.0 mph 0.00 in / hr 496 ft 5:49 PM EDT Rapid Fire  
Centre Ridge, Centreville, VA 86.0 °F 84 °F 53 °F 32% South  at  8.3 mph 0.00 in / hr 300 ft 5:49 PM EDT Rapid Fire  
Snow Hill, Haymarket, VA 85.0 °F 90 °F 71 °F 63% SSW  at  0.0 mph 0.00 in / hr 454 ft 5:46 PM EDT Normal  
Monterey Estates, Herndon, VA 85.3 °F 90 °F 70 °F 60% NW  at  9.2 mph 0.00 in / hr 390 ft 5:49 PM EDT Rapid Fire  
APRSWXNET Centreville VA , Centreville, VA 86 °F 90 °F 69 °F 57% SSW  at  2 mph 0.00 in / hr 308 ft 5:34 PM EDT MADIS
Little Rocky Run, Centreville, VA 86.2 °F 90 °F 69 °F 57% SSE  at  2.0 mph 0.00 in / hr 308 ft 5:47 PM EDT Normal  
VADOT Site_G, Herndon, VA 83 °F 84 °F 63 °F 50% SE  at  11 mph 0.00 in / hr 339 ft 5:08 PM EDT MADIS
Broadlands, Ashburn, VA 85.2 °F 89 °F 69 °F 58% South  at  9.0 mph 0.00 in / hr 391 ft 5:49 PM EDT Rapid Fire  
Bull Run Mountain, Haymarket, VA 77.9 °F 80 °F 69 °F 74% ESE  at  0.0 mph 0.00 in / hr 1035 ft 5:49 PM EDT Normal  
Piedmont, Haymarket, VA 82.8 °F 85 °F 67 °F 59% WSW  at  3.0 mph 0.00 in / hr 358 ft 5:49 PM EDT Rapid Fire  
Evergreen Country Club, Haymarket, VA 84.4 °F 89 °F 71 °F 64% WSW  at  1.0 mph 0.00 in / hr 436 ft 5:45 PM EDT Normal  
Folkstone, Oak Hill, VA 83.7 °F 88 °F 69 °F 62% East  at  0.0 mph 0.00 in / hr 375 ft 5:49 PM EDT Rapid Fire  
Westgate, Manassas, VA 87.8 °F 92 °F 69 °F 54% SW  at  1.0 mph 0.00 in / hr 178 ft 5:49 PM EDT Rapid Fire
Dominion Valley, Haymarket, VA 86.9 °F 89 °F 66 °F 50% SW  at  6.3 mph 0.00 in / hr 384 ft 5:46 PM EDT Normal  
Ashburn Village, Ashburn, VA 85.7 °F 89 °F 68 °F 56% South  at  0.0 mph - / hr 320 ft 5:49 PM EDT Normal  
Mountainview Estates, Haymarket, VA 82.8 °F 89 °F 73 °F 73% South  at  1.0 mph 0.00 in / hr 486 ft 5:49 PM EDT Rapid Fire  
Reston - West Market, Reston, VA 87.8 °F 90 °F 66 °F 48% NW  at  2.7 mph 0.00 in / hr 430 ft 5:49 PM EDT Rapid Fire  
Greenhill Crossing, Haymarket, VA 86.0 °F 90 °F 68 °F 56% NE  at  3.0 mph 0.00 in / hr 0 ft 5:45 PM EDT Normal
Ashburn Village 1, Ashburn, VA 86.7 °F 90 °F 67 °F 52% SSE  at  5.0 mph 0.00 in / hr 279 ft 5:49 PM EDT Rapid Fire  
Cedar Cove Cluster, Reston, VA 83.8 °F 88 °F 70 °F 62% SSE  at  0.0 mph 0.00 in / hr 350 ft 5:49 PM EDT Rapid Fire  
Golf Course Island, Reston, VA 84.5 °F 87 °F 67 °F 55% SE  at  2.0 mph 0.00 in / hr 390 ft 5:49 PM EDT Rapid Fire  
Laurianne Woods, Gainesville, VA 92.9 °F 99 °F 70 °F 47% North  at  0.0 mph 0.00 in / hr 204 ft 5:49 PM EDT Rapid Fire  
JAWS - Just Another Weather Station, Gainesville, VA 91.6 °F 95 °F 65 °F 44% South  at  10.8 mph 0.00 in / hr 367 ft 5:49 PM EDT Rapid Fire  
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Air Quality Alert
Mobile & Email Alerts Statement as of 4:25 PM EDT on May 26, 2012

... Air quality alert is in effect for Sunday may 27 2012...

The metropolitan Washington Council of governments in association
with Maryland department of the environment, Virginia department
of environmental quality, and district department of environment
has issued a code Orange air quality alert Sunday for
the DC Metro area.

A code Orange air quality alert means that air pollution
concentrations within the region may become unhealthy for sensitive
groups. Sensitive groups include children... people suffering from
asthma... heart disease or other lung diseases... and the elderly.
The effects of air pollution can be minimized by avoiding strenuous
activity or exercise outdoors.

For more information on ground-level ozone and fine
particles... visit www.Cleanairpartners.Net.