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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

27°F

-3°C

Humidity 80%
Wind Speed W 9 mph
Barometer 29.95 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 20 Feb 10:15 pm CST
Extended Forecast for

6 Miles S Afton WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Northwest wind 10 to 15 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33. Northwest wind 10 to 15 mph.

    High: 33 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow between 9pm and 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 21. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15. North wind around 15 mph.

    Low: 15 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27. North wind 5 to 15 mph.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Calm wind becoming south around 5 mph after midnight.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. South wind 5 to 15 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Northwest wind 10 to 15 mph.
Saturday
Partly sunny, with a high near 33. Northwest wind 10 to 15 mph.
Saturday Night
A chance of snow between 9pm and 1am, then a chance of snow showers after 1am. Mostly cloudy, with a low around 21. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 15. North wind around 15 mph.
Monday
Mostly sunny, with a high near 27. North wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 17. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 38. South wind 5 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A slight chance of snow before noon, then a slight chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 21. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Afton WI
 42.6°N 89.07°W (Elev. 751 ft)
Last Update:
9:37 pm CST Feb 20, 2026
Forecast Valid:
10pm CST Feb 20, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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