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

Hazardous Weather Conditions

Current conditions at

William M Tuck Airport (KW78)

Lat: 36.71°NLon: 78.85°WElev: 420ft.

Fair

76°F

24°C

Humidity 74%
Wind Speed S 6 mph
Barometer 30.11 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 1 Jul 7:55 am EDT
Extended Forecast for

South Boston VA

Heat Advisory July 1, 11:00am until July 1, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 105. Light south wind.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 71. Light south wind.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 110. Light and variable wind.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 73. Calm wind.

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Saturday Night

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

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 101. Chance of precipitation is 30%.

    High: 101 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 105. Light south wind.
Tonight
Clear, with a low around 71. Light south wind.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 110. Light and variable wind.
Thursday Night
Clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 101. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73.
Independence Day
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 73.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 101. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny and hot, with a high near 98. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 93. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Boston VA
 36.7°N 78.91°W (Elev. 348 ft)
Last Update:
8:00 am EDT Jul 1, 2026
Forecast Valid:
8am EDT Jul 1, 2026-6pm EDT Jul 7, 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