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

87°F

31°C

Humidity 30%
Wind Speed SW 12 G 16 mph
Barometer 29.96 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 16 Apr 1:55 pm EDT
Extended Forecast for

Alton VA

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 90. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 63. West wind around 6 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Northwest wind 3 to 7 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 40.

    Low: 40 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 90. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 63. West wind around 6 mph.
Friday
Sunny, with a high near 86. Northwest wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 57. Calm wind.
Saturday
Mostly sunny and hot, with a high near 91. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 40.
Monday
Sunny, with a high near 65.
Monday Night
Clear, with a low around 36.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
1:30 pm EDT Apr 16, 2026
Forecast Valid:
2pm EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation