Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

90°F

32°C

Humidity 31%
Wind Speed S 10 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Apr 3:52 pm EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 91 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 83. West wind 6 to 8 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. North wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.95°N 77.42°W (Elev. 351 ft)
2:23 pm EDT Apr 15, 2026
4pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
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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