Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys 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.

Overcast

74°F

23°C

Humidity 94%
Wind Speed NE 7 mph
Barometer 30.03 in (1017.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 12 Jul 2:56 am EDT
Extended Forecast for

4 Miles NNW Haymarket VA

  • Overnight

    Overnight: A chance of showers.  Cloudy, with a low around 68. Northeast wind around 6 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly between 1pm and 5pm.  Mostly cloudy, with a high near 80. Northeast wind around 7 mph becoming east in the afternoon.  Chance of precipitation is 50%.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. East wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 68. Northeast wind around 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly cloudy, with a high near 80. Northeast wind around 7 mph becoming east in the afternoon. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. East wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 63. Light and variable wind.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Clear, with a low around 68.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 71.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Haymarket VA
 38.87°N 77.69°W (Elev. 682 ft)
2:23 am EDT Jul 12, 2026
3am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database