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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow

21°F

-6°C

Humidity 86%
Wind Speed SW 12 mph
Barometer 30.08 in
Dewpoint 18°F (-8°C)
Visibility 3.00 mi
Wind Chill9°F (-13°C)
Last update 1 Feb 8:45 pm CST
Extended Forecast for

3 Miles NNW Afton WI

  • Tonight

    Tonight: Snow, possibly mixed with freezing rain, mainly before midnight. Low around 16. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

    Low: 16 °F

    Wintry Mix
    then Chance
    Wintry Mix

  • Monday

    Monday: Partly sunny, with a high near 25. Northwest wind 5 to 10 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Northwest wind around 5 mph.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 20. North wind around 5 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 23. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 23 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10. West wind around 5 mph.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 32. Southwest wind 5 to 15 mph.

    High: 32 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow, mainly before midnight. Mostly cloudy, with a steady temperature around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow, possibly mixed with freezing rain, mainly before midnight. Low around 16. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 25. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 10. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 20. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 23. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 10. West wind around 5 mph.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 32. Southwest wind 5 to 15 mph.
Thursday Night
A chance of rain and snow, mainly before midnight. Mostly cloudy, with a steady temperature around 31. Chance of precipitation is 30%.
Friday
A 20 percent chance of snow before noon. Partly sunny, with a temperature falling to around 24 by 5pm.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Afton WI
 42.74°N 89.12°W (Elev. 948 ft)
Last Update:
8:57 pm CST Feb 1, 2026
Forecast Valid:
9pm CST Feb 1, 2026-6pm CST Feb 8, 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