Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

81°F

27°C

Humidity 57%
Wind Speed SW 8 mph
Barometer 30.10 in (1019.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Aug 11:56 am EDT
Extended Forecast for

2 Miles ESE Washington Manassas Airport VA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 87. South wind 6 to 9 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. Southeast wind 5 to 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between 3pm and 5pm.  Partly sunny, with a high near 89. South wind 5 to 9 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe.  Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 67 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 87. Light north wind.  Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. South wind 6 to 9 mph.
Tonight
Mostly cloudy, with a low around 69. Southeast wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms, mainly between 3pm and 5pm. Partly sunny, with a high near 89. South wind 5 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Friday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. Light north wind. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Washington Manassas Airport VA
 38.71°N 77.48°W (Elev. 249 ft)
10:53 am EDT Aug 26, 2026
12pm EDT Aug 26, 2026-6pm EDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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