Current conditions at

William M Tuck Airport (KW78)

Lat: 36.71°NLon: 78.85°WElev: 420ft.

Mostly Cloudy and Windy

86°F

30°C

Humidity 52%
Wind Speed NW 38 G 48 mph
Barometer 29.91 in
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Heat Index88°F (31°C)
Last update 4 Sep 5:55 pm EDT
Extended Forecast for

South Boston VA

Severe T-storm Watch September 4, 06:16pm until September 4, 09:00pm
Heat Advisory until September 4, 07:00pm
Click here for hazard details and duration
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  •  
    Severe T-storm Watch September 4, 06:16pm until September 4, 09:00pm
    Heat Advisory until September 4, 07:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 72 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming north around 6 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 84. Northeast wind 5 to 8 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 8pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Northeast wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny and hot, with a high near 92.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
South Boston VA
 36.7°N 78.91°W (Elev. 348 ft)
5:00 pm EDT Sep 4, 2026
6pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
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Additional Resources

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