



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
Low: 62 °F
Clear
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 61 °F
Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 88 °F
Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fairfax VA
38.85°N 77.29°W (Elev. 400 ft)
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