Fire Weather Conditions in the Northwest U.S.; Heavy Rain in the West and South-central U.S.

Extreme heat is waning over the Pacific Northwest. Dry, gusty winds, and isolated dry thunderstorms will bring critical fire weather to the Pacific Northwest and Intermountain West. Heavy rain and thunderstorms continue across portions of the Great Basin, Rockies, and central/southern Plains into the Ozarks. An atmospheric river will bring heavy rain and strong winds to southwest Alaska. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

64°F

18°C

Humidity 58%
Wind Speed NW 7 mph
Barometer 30.11 in (1019.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 27 Aug 1:52 am EDT
Extended Forecast for

3 Miles NNW Mc Lean VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Northwest wind around 7 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Northwest wind 5 to 8 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. West wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Northwest wind around 7 mph.
Wednesday
Sunny, with a high near 75. Northwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 56. West wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 60. Light south wind.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 57.
Labor Day
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mc Lean VA
 38.98°N 77.24°W (Elev. 98 ft)
1:29 am EDT Aug 27, 2025
2am EDT Aug 27, 2025-6pm EDT Sep 2, 2025
 
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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