Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Mostly Cloudy

80°F

27°C

Humidity 69%
Wind Speed Vrbl 3 mph
Barometer 29.87 in (1011.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Sep 1:56 pm EDT
Extended Forecast for

Manassas VA

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, mainly between 4pm and 5pm.  Mostly cloudy, with a high near 83. North wind around 6 mph.  Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Light north wind.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. North wind around 7 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 61. Light northeast wind.

    Low: 61 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Labor Day

    Labor Day: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 83. Light north wind.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, with a high near 83. North wind around 6 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 64. Light north wind.
Sunday
Mostly sunny, with a high near 83. North wind around 7 mph.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 61. Light northeast wind.
Labor Day
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 83. Light north wind.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
A slight chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Manassas VA
 38.73°N 77.45°W (Elev. 299 ft)
2:22 pm EDT Sep 5, 2026
2pm EDT Sep 5, 2026-6pm EDT Sep 11, 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