National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Wet Pattern Continues From the Northwest To Rockies; Major Storm System To Develop On Thursday Across Southern Plains

A vigorous system will slide from the Northwest to the Rockies on Wednesday to keep intact the wet pattern across the extended region. Heavy to excessive rain, intense mountain snow and high winds are possible before the next system arrives on Friday. The same system will evolve into a major storm on Thursday across the southern Plains for a widespread rain event for the South and East. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

26°F

-3°C

Humidity 78%
Wind Speed SW 5 mph
Barometer 30.10 in (1019.6 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 12 Dec 3:52 am EST
Extended Forecast for

Fairfax VA

  • Today

    Today: Increasing clouds, with a high near 42. West wind around 5 mph becoming light and variable in the afternoon.

    Increasing
    Clouds

    High: 42 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Southeast wind around 6 mph.

    Mostly Cloudy

    Low: 30 °F

  • Thursday

    Thursday: Partly sunny, with a high near 44. Calm wind becoming southeast around 5 mph in the afternoon.

    Partly Sunny

    High: 44 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 33. East wind around 5 mph becoming calm in the evening.

    Mostly Cloudy

    Low: 33 °F

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    Slight Chance
    Rain then
    Rain Likely

    High: 48 °F

  • Friday
    Night

    Friday Night: Rain. Low around 42. Chance of precipitation is 90%.

    Rain

    Low: 42 °F

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    Showers
    Likely

    High: 52 °F

  • Saturday
    Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 38 °F

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 46. Chance of precipitation is 30%.

    Chance
    Showers

    High: 46 °F

Detailed Forecast

Today
Increasing clouds, with a high near 42. West wind around 5 mph becoming light and variable in the afternoon.
Tonight
Mostly cloudy, with a low around 30. Southeast wind around 6 mph.
Thursday
Partly sunny, with a high near 44. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. East wind around 5 mph becoming calm in the evening.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Rain. Low around 42. Chance of precipitation is 90%.
Saturday
Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 43.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 ft)
Last Update:
4:49 am EST Dec 12, 2018
Forecast Valid:
4am EST Dec 12, 2018-6pm EST Dec 18, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation