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

47°F

8°C

Humidity 24%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 13 Feb 5:35 pm EST
Extended Forecast for

Alton VA

  • Tonight

    Tonight: Clear, with a low around 26. Calm wind.

    Low: 26 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 37. Calm wind.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain. High near 48. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Rain Likely
    then Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 1am. Low around 40. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: A slight chance of rain before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Increasing clouds, with a low around 36.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 26. Calm wind.
Saturday
Sunny, with a high near 58. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 37. Calm wind.
Sunday
Rain. High near 48. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain, mainly before 1am. Low around 40. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Washington's Birthday
A slight chance of rain before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.
Monday Night
Increasing clouds, with a low around 36.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly cloudy, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
A chance of rain. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton VA
 36.57°N 79.01°W (Elev. 538 ft)
Last Update:
4:00 pm EST Feb 13, 2026
Forecast Valid:
5pm EST Feb 13, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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