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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

63°F

17°C

Humidity 45%
Wind Speed SE 8 mph
Barometer 30.24 in (1024.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 12 Apr 7:55 pm EDT
Extended Forecast for

Annandale VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Partly sunny, with a high near 82. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Southwest wind 3 to 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 88. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. South wind around 11 mph, with gusts as high as 22 mph.
Monday
A slight chance of showers after 2pm. Partly sunny, with a high near 82. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 63. Southwest wind 3 to 7 mph.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 88. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
Partly sunny, with a high near 91.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
Last Update:
7:53 pm EDT Apr 12, 2026
Forecast Valid:
10pm EDT Apr 12, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation