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.

Fair

19°F

-7°C

Humidity 45%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 4 Dec 12:45 pm CST
Extended Forecast for

3 Miles NNW Afton WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 13. Wind chill values between -5 and 5. South wind around 5 mph.

    High: 13 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 1. Wind chill values between -5 and -15. South wind 5 to 15 mph.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph.

    High: 25 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 25. Northwest wind around 5 mph becoming north in the afternoon.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 7. Calm wind becoming north around 5 mph after midnight.

    Low: 7 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 17. North wind 5 to 10 mph.

    High: 17 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -1. North wind 5 to 10 mph becoming light after midnight.

    Low: -1 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow. Mostly cloudy, with a high near 21.

    High: 21 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 13. Wind chill values between -5 and 5. South wind around 5 mph.
Tonight
Partly cloudy, with a low around 1. Wind chill values between -5 and -15. South wind 5 to 15 mph.
Friday
Partly sunny, with a high near 25. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph.
Friday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 25. Northwest wind around 5 mph becoming north in the afternoon.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 7. Calm wind becoming north around 5 mph after midnight.
Sunday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 17. North wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around -1. North wind 5 to 10 mph becoming light after midnight.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 21.
Monday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 31.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a steady temperature around 24.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
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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:
12:42 pm CST Dec 4, 2025
Forecast Valid:
1pm CST Dec 4, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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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