National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

59°F

15°C

Humidity 29%
Wind Speed SE 6 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 21 Apr 7:52 pm EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. South wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Southwest wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Northwest wind 3 to 6 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. South wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Southwest wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 54. West wind around 5 mph.
Thursday
Sunny, with a high near 80. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 55. Calm wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Saturday
Showers. High near 64. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 47. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.93°N 77.45°W (Elev. 299 ft)
Last Update:
7:53 pm EDT Apr 21, 2026
Forecast Valid:
8pm EDT Apr 21, 2026-6pm EDT Apr 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation