West McLean, VA

11:37 AM EDT on May 27, 2012 (GMT -0400)
Elev: 367 ft
Lon: 77.2° W
Lat: 39.0° N
Source
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Active Advisory: Air Quality Alert (US Severe Weather)
Tropical Weather: Subtropical Storm Beryl (North Atlantic) Tropical Storm Sanvu (Western Pacific)
Weather Summary
Shaun Tanner
Weather Underground Forecast for Sunday, May 27, 2012. More interesting weather for many parts of the country is expected Sunday. Subtropical Storm Beryl will continue on its path toward the northeast coast of Florida near Georgia. It is expected to make landfall with tropical storm strength winds either late Sunday night or early Monday morning. This storm will not be a signficant wind threat, and the rain associated with it will mostly be a blessing to this region as it has suffered through an exceptional drought.

Elsewhere, an intense heat wave will continue for the Plains and Southeast while also spreading northward into the Ohio Valley and Upper Midwest. Maximum temperature records are most likely to be broken for many areas as temperatures will soar into the 90s and 100s. Even more dangerous will be the heat index values over 100 degrees. The heat index tells you how hot the air feels. The more humid the weather, the higher the heat index will soar. Thankfully, many areas will not experience the extremely high humidity common during the Summer months.

In the West, a strong storm will move through the Northern Rockies and into the Dakotas. This storm will bring widespread rain and even some snow from Idaho through Minnesota. The associated cold front will move through the Plains, possibly instigating some strong thunderstorms that could become severe.

The Northeast will rise into the 70s and 80s, while the Southeast and Southern Plains will see temperatures in the 90s and 100s. The Northwest will rise into the 70s.
Weather Underground Forecast for Sunday, May 27, 2012. More interesting weather for many parts of the country is expected Sunday. Subtropical Storm Beryl will continue on its path toward the northeast coast of Florida near Georgia. It is expected to make landfall with tropical storm strength winds either late Sunday night or early Monday morning. This storm will not be a signficant wind threat, and the rain associated with it will mostly be a blessing to this region as it has suffered through an exceptional drought.

Elsewhere, an intense heat wave will continue for the Plains and Southeast while also spreading northward into the Ohio Valley and Upper Midwest. Maximum temperature records are most likely to be broken for many areas as temperatures will soar into the 90s and 100s. Even more dangerous will be the heat index values over 100 degrees. The heat index tells you how hot the air feels. The more humid the weather, the higher the heat index will soar. Thankfully, many areas will not experience the extremely high humidity common during the Summer months.

In the West, a strong storm will move through the Northern Rockies and into the Dakotas. This storm will bring widespread rain and even some snow from Idaho through Minnesota. The associated cold front will move through the Plains, possibly instigating some strong thunderstorms that could become severe.

The Northeast will rise into the 70s and 80s, while the Southeast and Southern Plains will see temperatures in the 90s and 100s. The Northwest will rise into the 70s.
Weather Underground Broadcast Network

West McLean Weather at a Glance

Updated 11:30 AM EDT
Weather Station - report
NE Vienna, Vienna
Elevation
417 ft
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Now
Scattered Clouds
Scattered Clouds
Temperature
84.3 °F
Feels Like 90 °F
Wind(mph)
0.0
Sunrise / Set
5:47 AM
8:25 PM
Moon
Waxing Crescent
Today
Partly Cloudy 88 °F
Partly Cloudy
Tonight
Partly Cloudy 70 °F
Partly Cloudy
Tomorrow
Chance of a Thunderstorm 90 | 72 °F
Chance of T-storms
20% chance of precipitation
Tuesday
Chance of a Thunderstorm 86 | 70 °F
Chance of T-storms
30% chance of precipitation
Wednesday
Partly Cloudy 84 | 59 °F
Partly Cloudy
Thursday
Clear 81 | 64 °F
Clear
Tropical Storm Beryl
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
30.14 in
Visibility
10.0 miles
Clouds
Few 3400 ft
Scattered Clouds 9000 ft
Moisture
Humidity
65%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIAD 271452Z 17005KT 10SM FEW034 SCT090 27/20 A3015 RMK AO2 SLP207 T02670200 58001
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Heat Index
90 °F
Dew Point
71 °F
Wind
Speed / Dir
Calm
Wind Gust
Health
UV
7 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
partlycloudy Partly cloudy. High of 88F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 70F. 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 102F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 72F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 86F with a heat index of 91F. Winds from the SSW at 5 to 15 mph. Chance of rain 30%.
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 70% with rainfall amounts near 0.5 in. possible.
Wednesday
partlycloudy Mostly cloudy in the morning, then overcast. Fog early. High of 84F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 59F. Winds from the NW at 5 to 10 mph.
Thursday
clear Clear. High of 81F. Winds from the NW at 5 to 15 mph. Tropical Storm Beryl: Estimated distance to storm center 309 mi. Max sustained winds 39 mph with stronger gusts possible.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds less than 5 mph. Tropical Storm Beryl: Estimated distance to storm center 309 mi. Max sustained winds 39 mph with stronger gusts possible.
Friday
chancerain Mostly cloudy with a chance of rain. High of 75F. Winds from the SE at 5 to 15 mph. Chance of rain 60%.
Friday Night
nt_tstorms Partly cloudy with thunderstorms. Low of 63F. Winds from the SW at 5 to 15 mph. Chance of rain 80% with rainfall amounts near 1.2 in. possible.
Saturday
partlycloudy Partly cloudy. High of 77F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_clear Clear. Low of 55F. Winds from the WNW at 10 to 15 mph.
Sunday
clear Clear. High of 77F. Winds from the WNW at 10 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Low of 59F. Winds from the West at 5 to 10 mph.
Monday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 63F. Winds less than 5 mph.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 82F with a heat index of 90F. 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 40%.
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 84F with a heat index of 100F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 20%.
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Forecast

View Calendar 10-Day Forecast for station KVAVIENN14

Sunday, 27
Partly Cloudy
88 | 70 °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
86 | 70 °F
Chance of T-storms
Chance of
Precipitation
30%
Wednesday, 30
Partly Cloudy
84 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Clear
81 | 64 °F
Clear
Chance of
Precipitation
0%
Friday, 1
Chance of Rain
75 | 63 °F
Chance of Rain
Chance of
Precipitation
60%
Saturday, 2
Partly Cloudy
77 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 3
Clear
77 | 59 °F
Clear
Chance of
Precipitation
0%
Monday, 4
Partly Cloudy
81 | 63 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 5
Chance of a Thunderstorm
82 | 64 °F
Chance of T-storms
Chance of
Precipitation
20%
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 88F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 70F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 65 84 | 73 82 | 72 73 | 67
Wind 4 mph SSE 7 mph South 7 mph South 6 mph SSE
Humidity 88% 68% 69% 85%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 47% 42% 52% 64%
Conditions Fog Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:47 AM
8:25 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.98], Average RMSE [1.78]
The National Weather Service forecast quality is good. MaxT RMSE [1.98], Average RMSE [1.64] : Use NWS
Source: BestForecast at 10:00 AM 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 102F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 72F. Winds from the South at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 69 84 | 74 86 | 74 78 | 73
Wind 4 mph South 8 mph SSW 8 mph South 5 mph South
Humidity 95% 74% 69% 84%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 57% 39% 57% 43%
Conditions Partly Cloudy Partly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:46 AM
8:26 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.12], Average RMSE [2.14]
The National Weather Service forecast quality is good. MaxT RMSE [2.05], Average RMSE [1.81] : Use NWS
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 86F with a heat index of 91F. Winds from the SSW at 5 to 15 mph. Chance of rain 30%.
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 70% with rainfall amounts near 0.5 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 71 82 | 74 82 | 74 73 | 70
Wind 6 mph SSW 10 mph SSW 11 mph SSW 6 mph SW
Humidity 91% 78% 77% 86%
Chance of Precip. 10% 30% 30% 40%
Cloud Cover 40% 50% 65% 97%
Conditions Partly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:46 AM
8:26 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.82], Average RMSE [2.19]
The National Weather Service forecast quality is fair. MaxT RMSE [2.76], Average RMSE [1.93] : Use NWS
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Wednesday
partlycloudy Mostly cloudy in the morning, then overcast. Fog early. High of 84F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 59F. Winds from the NW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 68 83 | 68 80 | 65 70 | 58
Wind 5 mph WSW 5 mph West 4 mph WSW 8 mph NW
Humidity 89% 60% 60% 65%
Chance of Precip. 20% 10% 10% 10%
Cloud Cover 93% 82% 52% 7%
Conditions Chance of a Thunderstorm Mostly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:45 AM
8:27 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.81], Average RMSE [2.18]
The National Weather Service forecast quality is fair. MaxT RMSE [2.84], Average RMSE [1.97] : Use NWS
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Thursday
clear Clear. High of 81F. Winds from the NW at 5 to 15 mph. Tropical Storm Beryl: Estimated distance to storm center 309 mi. Max sustained winds 39 mph with stronger gusts possible.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds less than 5 mph. Tropical Storm Beryl: Estimated distance to storm center 309 mi. Max sustained winds 39 mph with stronger gusts possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 56 78 | 58 75 | 62 64 | 58
Wind 10 mph NW 10 mph NNW 4 mph NNW 1 mph South
Humidity 84% 49% 60% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 76%
Conditions Clear Clear Clear Mostly Cloudy
Sunrise & Sunset
5:45 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.81], Average RMSE [2.68]
The National Weather Service forecast quality is fair. MaxT RMSE [3.13], Average RMSE [2.17] : Use NWS
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Friday
chancerain Mostly cloudy with a chance of rain. High of 75F. Winds from the SE at 5 to 15 mph. Chance of rain 60%.
Friday Night
nt_tstorms Partly cloudy with thunderstorms. Low of 63F. Winds from the SW at 5 to 15 mph. Chance of rain 80% with rainfall amounts near 1.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 72 | 62 72 | 66 65 | 62
Wind 4 mph SE 10 mph SE 12 mph SE 8 mph SSW
Humidity 86% 70% 81% 89%
Chance of Precip. 0% 20% 30% 50%
Cloud Cover 39% 97% 99% 75%
Conditions Partly Cloudy Chance of Rain Chance of Rain Thunderstorm
Sunrise & Sunset
5:45 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.95], Average RMSE [2.60]
The National Weather Service forecast quality is poor. MaxT RMSE [3.72], Average RMSE [2.77] : Use NWS
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 77F. Breezy. Winds from the WNW at 10 to 20 mph.
Saturday Night
nt_clear Clear. Low of 55F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 72 | 63 71 | 61 59 | 54
Wind 8 mph WNW 12 mph West 17 mph NW 11 mph WNW
Humidity 91% 75% 72% 83%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 5% 47% 44% 2%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:45 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.13], Average RMSE [3.03]
The National Weather Service forecast quality is poor. MaxT RMSE [3.88], Average RMSE [2.74] : Use NWS
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Sunday
clear Clear. High of 77F. Winds from the WNW at 10 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Low of 59F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 72 | 58 73 | 60 62 | 53
Wind 12 mph WNW 14 mph NW 9 mph WNW 5 mph WNW
Humidity 87% 61% 62% 73%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 0% 0% 23%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:45 AM
8:28 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.44], Average RMSE [3.09]
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 56 76 | 62 78 | 67 65 | 61
Wind 4 mph West 5 mph West 4 mph West 2 mph West
Humidity 80% 62% 69% 88%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 39% 48% 49% 51%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:45 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.80], Average RMSE [3.52]
Source: BestForecast at 10:00 AM 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 90F. 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 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 77 | 74 80 | 75 67 | 64
Wind 2 mph WSW 2 mph SW 2 mph SW 2 mph WSW
Humidity 87% 86% 84% 87%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 53% 50% 43% 49%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:45 AM
8:28 PM
Source: BestForecast at 10:00 AM EDT on May 27, 2012
Descriptive Forecast
Wednesday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 84F with a heat index of 100F. Winds less than 5 mph. Chance of rain 40%.
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 69 | 65 77 | 77 80 | 78 67 | 65
Wind 2 mph West 2 mph WNW 1 mph WNW 1 mph WNW
Humidity 94% 95% 93% 94%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 71% 83% 85% %
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear
Sunrise & Sunset
5:45 AM
8:28 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
PM2.5
Current Good
OZONE
Sunday Unhealthy for Sensitive Groups
OZONE
Sunday Moderate
PM2.5
Monday Unhealthy for Sensitive Groups
OZONE
Monday Moderate
PM2.5
Tuesday Moderate
OZONE
Tuesday Moderate
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 78.1 °F
Baltimore, MD 75.9 °F
Solomons Island, MD 71.1 °F
Marine Forecast
Astronomy
May. 27, 2012 Rise Set
Actual Time 5:47 AM EDT 8:25 PM EDT
Civil Twilight 5:16 AM EDT 8:56 PM EDT
Nautical Twilight 4:37 AM EDT 9:35 PM EDT
Astronomical Twilight 3:54 AM EDT 10:19 PM EDT
Moon 11:48 AM EDT 12:32 AM EDT
Length Of Visible Light 15h 40m
Length of Day
14h 37m
Tomorrow will be 1m 17s longer.
Waxing Crescent, 37% 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
84 °F
Williamsburg
84 °F
Warrenton
82 °F
Franklin
82 °F
Quantico
82 °F
Winchester
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
Xanadu 2:00 PM EDT 2012-05-27 Partly Cloudy, 84°F
God of Carnage 2:00 PM EDT 2012-05-27 Partly Cloudy, 84°F
God of Carnage 7:00 PM EDT 2012-05-27 Mostly Cloudy, 85°F
Flora the Red Menace 2:00 PM EDT 2012-05-27 Partly Cloudy, 84°F
Flora the Red Menace 7:00 PM EDT 2012-05-27 Mostly Cloudy, 85°F
Young Soloists Recital 3:00 PM EDT 2012-05-27 Partly Cloudy, 85°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Dulles Airport 80 °F Scattered Clouds 10:52 AM EDT
Washington 80 °F Scattered Clouds 10:52 AM EDT
Gaithersburg 81 °F Clear 11:15 AM EDT
Fort Belvoir 80 °F Clear 10:55 AM EDT
View all Aviation Tools
Flight To ETA Status
DAL1744
Detroit, MI 		KDCA 11:36AM On Time
AWI3914
Wilmington, NC 		KDCA 11:46AM On Time
AAL1068
Miami, FL 		KDCA 11:54AM On Time
EGF3792
New York, NY 		KDCA 11:55AM On Time
ASQ5732
Columbus, OH 		KIAD 11:21AM On Time
CJC3879
Staunton/Waynesboro/Harrisonburg, VA 		KIAD 11:21AM On Time
ASQ5759
Savannah, GA 		KIAD 11:22AM On Time
ASQ5765
Charleston, SC 		KIAD 11:22AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KIAD)
Wind Speed: 5.0 kts.
Wind Dir: 187° (South)
Ceiling: Unlimited

METAR KIAD 271452Z 17005KT 10SM FEW034 SCT090 27/20 A3015 RMK AO2 SLP207 T02670200 58001

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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
Crewe Alexandra vs. Cheltenham Town 3:00 PM BST on May 27, 2012 Clear, High 75° F/ 24° C
Huesca vs. Deportivo 8:00 PM CEST on May 27, 2012 Chance of Rain, High 62° F/ 17° 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
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 27, 2012 Partly Cloudy, 79 °F
the Memorial Tournament presented by Nationwide Insurance 8:30 AM EDT on May 31, 2012 Partly Cloudy, 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
NE Vienna, Vienna, VA 84.3 °F 90 °F 71 °F 65% South  at  0.0 mph - / hr 417 ft 11:30 AM EDT Normal  
Beulah-Wolf Trap, Vienna, VA 84.2 °F 90 °F 72 °F 67% WSW  at  0.0 mph 0.00 in / hr 430 ft 11:37 AM EDT Rapid Fire  
APRSWXNET Great Falls V, Great Falls, VA 84 °F 88 °F 69 °F 60% ENE  at  0 mph 0.00 in / hr 296 ft 11:16 AM EDT MADIS
Lake Fairfax, Vienna, VA 82.5 °F 88 °F 72 °F 71% SSE  at  0.0 mph 0.00 in / hr 275 ft 11:37 AM EDT Rapid Fire
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA 81.1 °F 85 °F 71 °F 71% WSW  at  0.0 mph 0.00 in / hr 295 ft 11:35 AM EDT Normal  
Hawk Ridge Subdivision, Reston, VA 82.6 °F 87 °F 70 °F 67% NNE  at  0.0 mph 0.00 in / hr 300 ft 11:30 AM EDT Normal
APRSWXNET Reston VA , Herndon, VA 81 °F 85 °F 70 °F 70% South  at  1 mph 0.00 in / hr 400 ft 11:06 AM EDT MADIS
Hickory Creek, Great Falls, VA 80.9 °F 84 °F 70 °F 70% South  at  0.0 mph 0.00 in / hr 350 ft 11:37 AM EDT Rapid Fire
Trott Ave, Vienna, VA 82.2 °F 88 °F 73 °F 73% West  at  0.0 mph - / hr 415 ft 11:28 AM EDT Normal  
Falls Church-Westwood Park, Falls Church, VA 82.3 °F 87 °F 72 °F 71% ESE  at  1.0 mph 0.00 in / hr 413 ft 11:37 AM EDT Rapid Fire  
Falls Church, Falls Church, VA 79.7 °F 83 °F 72 °F 77% SSW  at  2.0 mph 0.00 in / hr 394 ft 11:35 AM EDT Normal  
Cedar Cove Cluster, Reston, VA 83.1 °F 89 °F 72 °F 70% South  at  0.0 mph 0.00 in / hr 350 ft 11:37 AM EDT Rapid Fire  
Golf Course Island, Reston, VA 80.9 °F 84 °F 68 °F 65% SE  at  0.0 mph 0.00 in / hr 390 ft 11:37 AM EDT Normal  
VADOT Site_E, Oakton, VA 82 °F 85 °F 69 °F 64% North  at  - 0.00 in / hr 353 ft 11:14 AM EDT MADIS
Great Falls VA, Great Falls, VA 81.0 °F 84 °F 69 °F 67% SSW  at  4.0 mph 0.00 in / hr 380 ft 11:35 AM EDT Normal
APRSWXNET Great Falls VA , Great Falls, VA 80 °F 83 °F 69 °F 70% WSW  at  4 mph 0.00 in / hr 380 ft 11:13 AM EDT MADIS
Backyard Weather, Falls Church, VA 82.3 °F 87 °F 72 °F 70% SSW  at  0.0 mph 0.00 in / hr 334 ft 11:25 AM EDT Normal  
VADOT Site_C, Oakton, VA 81 °F 84 °F 68 °F 66% North  at  - 0.00 in / hr 290 ft 11:06 AM EDT MADIS
Arlington, VA 86.0 °F 87 °F 64 °F 48% SE  at  6.0 mph 0.00 in / hr 300 ft 11:32 AM EDT Normal  
Villa D'este, Fairfax, VA 84.6 °F 90 °F 71 °F 64% SSW  at  1.0 mph 0.00 in / hr 355 ft 11:26 AM EDT Normal  
APRSWXNET Reston VA , Herndon, VA 81 °F 85 °F 70 °F 70% SW  at  5 mph 0.00 in / hr 454 ft 11:18 AM EDT MADIS
Broyhill Park, Falls Church, VA 80.2 °F 83 °F 70 °F 70% SSE  at  0.0 mph 0.00 in / hr 295 ft 11:37 AM EDT Rapid Fire  
Greenwich Forest, Bethesda, MD 85.3 °F 90 °F 70 °F 61% ESE  at  1.0 mph 0.00 in / hr 338 ft 11:37 AM EDT Rapid Fire
Reston - West Market, Reston, VA 84.7 °F 88 °F 68 °F 58% West  at  0.0 mph 0.00 in / hr 430 ft 11:37 AM EDT Rapid Fire  
Rosehaven Estates, Fairfax, VA 84.5 °F 93 °F 75 °F 73% WSW  at  2.0 mph 0.01 in / hr 470 ft 11:35 AM EDT Normal  
APRSWXNET Bethesda MD , Washington, DC 83 °F 87 °F 70 °F 66% WNW  at  0 mph 0.00 in / hr 403 ft 11:18 AM EDT MADIS
Westlawn, Falls Church, VA 80.9 °F 84 °F 68 °F 66% South  at  3.0 mph 0.00 in / hr 331 ft 11:35 AM EDT Normal
Bethesda, Bethesda, MD 89.6 °F 102 °F 77 °F 66% North  at  0.0 mph 0.00 in / hr 236 ft 11:37 AM EDT Rapid Fire  
Cobbdale, Fairfax, VA 82.8 °F 86 °F 68 °F 61% WSW  at  4.0 mph - / hr 394 ft 11:37 AM EDT Normal  
Brookdale, Bethesda, MD 83.0 °F 86 °F 67 °F 59% SSW  at  0.0 mph 0.00 in / hr 262 ft 11:37 AM EDT Rapid Fire  
Somerset, Chevy Chase, MD 83.2 °F 87 °F 69 °F 62% SE  at  1.0 mph 0.00 in / hr 330 ft 11:35 AM EDT Normal
Folkstone, Oak Hill, VA 82.8 °F 89 °F 73 °F 73% West  at  0.0 mph 0.00 in / hr 375 ft 11:35 AM 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.