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

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.

Light Rain

72°F

22°C

Humidity 66%
Wind Speed N 13 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 14 Apr 10:52 pm EDT
Extended Forecast for

3 Miles ESE Chantilly VA

  • Tonight

    Tonight: Scattered showers and thunderstorms before midnight. Partly cloudy, with a low around 66. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 92. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Southwest wind 5 to 7 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 91 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Partly cloudy, with a low around 69. West wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight. Partly cloudy, with a low around 66. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 92. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 70. Southwest wind 5 to 7 mph.
Thursday
Partly sunny, with a high near 91. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 69. West wind 6 to 8 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 89.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 43. Chance of precipitation is 60%.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Chantilly VA
 38.86°N 77.37°W (Elev. 449 ft)
Last Update:
10:53 pm EDT Apr 14, 2026
Forecast Valid:
11pm EDT Apr 14, 2026-6pm EDT Apr 21, 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