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

Significant Winter Storm to Continue Widespread Hazardous Weather Across the East

A strengthening eastern storm will bring areas of heavy snow and ice from the Midwest to the Mid-Atlantic and Northeast Wednesday before tapering off on Thursday. Further south, several inches of heavy rain are forecast Wednesday into this weekend. This may lead to river flooding and flash flooding across the Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

32°F

0°C

Humidity 59%
Wind Speed Calm
Barometer 30.58 in (1035.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 19 Feb 11:52 pm EST
Extended Forecast for

Fairfax VASimilar City Names

Winter Storm Warning February 20, 01:00am until February 20, 07:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Snow likely, mainly after 5am. Cloudy, with a low around 29. East wind 3 to 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

    Snow Likely

    Low: 29 °F

  • Wednesday

    Wednesday: Snow and sleet before 1pm, then sleet between 1pm and 4pm, then freezing rain and sleet after 4pm. The snow could be heavy at times. High near 33. East wind 6 to 8 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 2 to 4 inches possible.

    Wintry Mix

    High: 33 °F

  • Wednesday
    Night

    Wednesday Night: Rain or freezing rain, becoming all rain after 10pm. Low around 33. East wind around 6 mph becoming calm. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.

    Rain/Freezing
    Rain then
    Rain

    Low: 33 °F

  • Thursday

    Thursday: Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 53. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    then Partly
    Sunny

    High: 53 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 34. Northwest wind 5 to 8 mph.

    Mostly Cloudy

    Low: 34 °F

  • Friday

    Friday: Mostly cloudy, with a high near 46.

    Mostly Cloudy

    High: 46 °F

  • Friday
    Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Mostly Cloudy
    then Chance
    Rain

    Low: 34 °F

  • Saturday

    Saturday: Rain. High near 43. Chance of precipitation is 90%.

    Rain

    High: 43 °F

  • Saturday
    Night

    Saturday Night: Rain. Low around 40. Chance of precipitation is 90%.

    Rain

    Low: 40 °F

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Cloudy, with a low around 29. East wind 3 to 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Snow and sleet before 1pm, then sleet between 1pm and 4pm, then freezing rain and sleet after 4pm. The snow could be heavy at times. High near 33. East wind 6 to 8 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 2 to 4 inches possible.
Wednesday Night
Rain or freezing rain, becoming all rain after 10pm. Low around 33. East wind around 6 mph becoming calm. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.
Thursday
Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 53. Southwest wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 34. Northwest wind 5 to 8 mph.
Friday
Mostly cloudy, with a high near 46.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Saturday
Rain. High near 43. Chance of precipitation is 90%.
Saturday Night
Rain. Low around 40. Chance of precipitation is 90%.
Sunday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 30.
Tuesday
A chance of showers. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Fairfax VASimilar City Names
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
9:38 pm EST Feb 19, 2019
Forecast Valid:
12am EST Feb 20, 2019-6pm EST Feb 25, 2019
 
Forecast Discussion
 
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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