Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

76°F

24°C

Humidity 94%
Wind Speed NE 7 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 31 Jul 6:52 pm EDT
Extended Forecast for

Oakton VA

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Some of the storms could be severe.  Low around 67. West wind 8 to 10 mph becoming north in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 78. North wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. North wind 7 to 9 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. North wind 7 to 9 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Some of the storms could be severe. Low around 67. West wind 8 to 10 mph becoming north in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 62. North wind 7 to 9 mph.
Saturday
Sunny, with a high near 81. North wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 60. Northeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Oakton VA
 38.9°N 77.31°W (Elev. 341 ft)
7:30 pm EDT Jul 31, 2025
7pm EDT Jul 31, 2025-6pm EDT Aug 7, 2025
 
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Additional Resources

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Hourly Weather Forecast

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