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.

Fair

34°F

1°C

Humidity 81%
Wind Speed S 6 mph
Barometer 30.01 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Jan 7:45 pm CST
Extended Forecast for

3 Miles S Walworth WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 24 °F

    Blustery.
    Chance Snow
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Cloudy, with a high near 30.

    High: 30 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 47. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 24. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 10. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Friday
Snow likely. Cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 12.
Saturday
A chance of snow. Mostly cloudy, with a high near 16.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 2.
M.L.King Day
Partly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Walworth WI
 42.5°N 88.6°W
Last Update:
4:41 pm CST Jan 12, 2026
Forecast Valid:
8pm CST Jan 12, 2026-6pm CST Jan 19, 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