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 >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

65°F

18°C

Humidity 83%
Wind Speed Calm
Barometer 29.92 in (1013.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Apr 2:55 am EDT
Extended Forecast for

Mount Vernon VA

  • Overnight

    Overnight: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Southwest wind around 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 93. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers.  Partly cloudy, with a low around 71. Southwest wind around 8 mph becoming west after midnight.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm.  Mostly clear, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 92. Light southwest wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind around 7 mph.
Thursday
Partly sunny, with a high near 93. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 71. Southwest wind around 8 mph becoming west after midnight. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon VA
 38.74°N 77.11°W (Elev. 49 ft)
2:23 am EDT Apr 15, 2026
3am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database