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

Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog/Mist

33°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.17 in (1022.0 mb)
Dewpoint 33°F (1°C)
Visibility 2.50 mi
Last update 19 Jan 4:52 am EST
Extended Forecast for

Fairfax VASimilar City Names

  • Today

    Today: Rain, snow, and sleet likely between 1pm and 4pm, then rain. Patchy fog between 7am and 10am. High near 35. East wind 5 to 9 mph. Chance of precipitation is 90%. Total daytime snow and sleet accumulation of less than a half inch possible.

    Patchy Fog
    then Wintry
    Mix

    High: 35 °F

  • Tonight

    Tonight: Rain. Low around 35. East wind 6 to 11 mph becoming southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Rain

    Low: 35 °F

  • Sunday

    Sunday: Rain, mainly before 7am. Temperature falling to around 25 by 5pm. Breezy, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Breezy. Rain
    then Partly
    Sunny

    High: 37 °F⇓

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 10. Wind chill values as low as -7. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 37 mph.

    Partly Cloudy
    and Blustery

    Low: 10 °F

  • M.L.King
    Day

    M.L.King Day: Sunny, with a high near 20. Northwest wind 16 to 18 mph, with gusts as high as 31 mph.

    Sunny

    High: 20 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 8.

    Mostly Clear

    Low: 8 °F

  • Tuesday

    Tuesday: Sunny, with a high near 33.

    Sunny

    High: 33 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Mostly Cloudy

    Low: 28 °F

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.

    Rain Likely

    High: 49 °F

Detailed Forecast

Today
Rain, snow, and sleet likely between 1pm and 4pm, then rain. Patchy fog between 7am and 10am. High near 35. East wind 5 to 9 mph. Chance of precipitation is 90%. Total daytime snow and sleet accumulation of less than a half inch possible.
Tonight
Rain. Low around 35. East wind 6 to 11 mph becoming southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain, mainly before 7am. Temperature falling to around 25 by 5pm. Breezy, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 10. Wind chill values as low as -7. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 37 mph.
M.L.King Day
Sunny, with a high near 20. Northwest wind 16 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Wednesday Night
Rain. Low around 39. Chance of precipitation is 80%.
Thursday
Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 39.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Fairfax VASimilar City Names
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
3:32 am EST Jan 19, 2019
Forecast Valid:
5am EST Jan 19, 2019-6pm EST Jan 25, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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