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

Severe Storms & Heavy Rainfall Possible in the Plains; Critical Fire Weather Conditions for Parts of the West

Scattered severe thunderstorms and locally heavy rainfall are possible across portions of the Plains through Monday. Meanwhile, dry weather and gusty winds will result in critical fire weather conditions across the Great Basin and northern Rockies. Elsewhere, tropical storm Dorian in the Atlantic is expected to slowly strengthen and will likely approach the Lesser Antilles by Tuesday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

77°F

25°C

Humidity 45%
Wind Speed NE 8 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Aug 3:52 pm EDT
Extended Forecast for

Fairfax VA

  • Tonight

    Tonight: Partly cloudy, with a low around 63. East wind 5 to 9 mph.

    Partly Cloudy

    Low: 63 °F

  • Monday

    Monday: A slight chance of showers after 2pm. Partly sunny, with a high near 76. East wind around 8 mph. Chance of precipitation is 20%.

    Partly Sunny
    then Slight
    Chance
    Showers

    High: 76 °F

  • Monday
    Night

    Monday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. East wind 5 to 8 mph. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 65 °F

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 79. East wind around 6 mph. Chance of precipitation is 30%.

    Chance
    Showers

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 69. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 69 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

    Showers
    Likely

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 67 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 65.

    Mostly Clear

    Low: 65 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. East wind 5 to 9 mph.
Monday
A slight chance of showers after 2pm. Partly sunny, with a high near 76. East wind around 8 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 65. East wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79. East wind around 6 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 69. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
1:33 pm EDT Aug 25, 2019
Forecast Valid:
4pm EDT Aug 25, 2019-6pm EDT Sep 1, 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