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

Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

66°F

19°C

Humidity 59%
Wind Speed SW 9 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 30 Mar 10:56 pm EDT
Extended Forecast for

Haymarket VA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 82. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday
A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Showers likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Haymarket VA
 38.82°N 77.64°W (Elev. 348 ft)
Last Update:
10:54 pm EDT Mar 30, 2026
Forecast Valid:
11pm EDT Mar 30, 2026-6pm EDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation