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

Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

Current conditions at

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

88°F

31°C

Humidity 34%
Wind Speed S 16 G 20 mph
Barometer 29.93 in (1013.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 14 Apr 4:56 pm EDT
Extended Forecast for

3 Miles NE Casanova VA

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 93. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 90.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Casanova VA
 38.66°N 77.61°W (Elev. 249 ft)
Last Update:
5:36 pm EDT Apr 14, 2026
Forecast Valid:
5pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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