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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. 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.

Fog/Mist

73°F

23°C

Humidity 96%
Wind Speed Calm
Barometer 29.95 in (1014.4 mb)
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 5 Jul 1:56 am EDT
Extended Forecast for

2 Miles S Catharpin VA

Heat Advisory July 5, 10:00am until July 5, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 95 °F

    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 5am, then a slight chance of showers. Patchy fog after 2am. Low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Showers then
    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Some of the storms could produce heavy rainfall. Low around 68. Light east wind. Chance of precipitation is 90%.

    Low: 68 °F

    Heavy Rain

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Showers and thunderstorms before 5am, then a slight chance of showers. Patchy fog after 2am. Low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 87. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Some of the storms could produce heavy rainfall. Low around 68. Light east wind. Chance of precipitation is 90%.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Catharpin VA
 38.83°N 77.55°W (Elev. 299 ft)
Last Update:
2:23 am EDT Jul 5, 2026
Forecast Valid:
2am EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation