Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

83°F

28°C

Humidity 33%
Wind Speed N 10 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Jun 6:52 pm EDT
Extended Forecast for

3 Miles NW Fairfax Station VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 91. South wind 6 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Partly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am.  Mostly cloudy, with a low around 66. South wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers between 7am and 8am, then a slight chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 81. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Northwest wind 5 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 67. North wind 5 to 7 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 91. South wind 6 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 66. South wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A slight chance of showers between 7am and 8am, then a slight chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 81. Northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 62. Northwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Fairfax Station VA
 38.84°N 77.38°W (Elev. 449 ft)
4:52 pm EDT Jun 21, 2026
7pm EDT Jun 21, 2026-6pm EDT Jun 28, 2026
 
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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