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

39°F

4°C

Humidity 75%
Wind Speed Calm
Barometer 29.82 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Mar 3:35 am CDT
Extended Forecast for

6 Miles S Afton WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. West wind around 10 mph becoming north in the afternoon.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 65. South wind 5 to 15 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Southwest wind around 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph.

    High: 54 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. North wind 10 to 15 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North wind 5 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32.

    Low: 32 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph.
Friday
Partly sunny, with a high near 58. West wind around 10 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 65. South wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 47. Southwest wind around 10 mph.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 29. North wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 47. North wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 32.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
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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:
3:33 am CDT Mar 20, 2026
Forecast Valid:
3am CDT Mar 20, 2026-6pm CDT Mar 26, 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