Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.22 in (1022.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 9 Aug 3:52 am EDT
Extended Forecast for

Fairfax VA

  • Overnight

    Overnight: Clear, with a low around 62. Calm wind.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 62. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63. Southeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 91. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
3:01 am EDT Aug 9, 2025
3am EDT Aug 9, 2025-6pm EDT Aug 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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