Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

77°F

25°C

Humidity 43%
Wind Speed NW 14 G 26 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Apr 10:52 am EDT
Extended Forecast for

3 Miles NNW Mc Lean VA

  • Today

    Today: Sunny, with a high near 81. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. East wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am.  Increasing clouds, with a low around 54. Southeast wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 2pm.  High near 60. Northwest wind 13 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 8pm.  Partly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. East wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Showers likely, mainly after 2am. Increasing clouds, with a low around 54. Southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. High near 60. Northwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mc Lean VA
 38.98°N 77.24°W (Elev. 98 ft)
11:42 am EDT Apr 17, 2026
11am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database