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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

86°F

30°C

Humidity 25%
Wind Speed W 13 G 23 mph
Barometer 29.86 in (1010.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Jun 3:52 pm EDT
Extended Forecast for

3 Miles W Fairfax VA

  • Tonight

    Tonight: Mostly clear, with a low around 64. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Northwest wind 5 to 9 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 67. Northwest wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 91. Southeast wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Slight Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 68. Southwest wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 87. Northwest wind 5 to 9 mph.
Sunday Night
Increasing clouds, with a low around 67. Northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 91. Southeast wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 68. Southwest wind 6 to 8 mph. Chance of precipitation is 80%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Fairfax VA
 38.85°N 77.35°W (Elev. 400 ft)
Last Update:
2:22 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
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