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.

Partly Cloudy

43°F

6°C

Humidity 26%
Wind Speed E 6 mph
Barometer 30.40 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 23 Mar 5:45 pm CDT
Extended Forecast for

3 Miles S Walworth WI

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. South southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 27. Northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 50. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 63. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 48. South southwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 70.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 58.
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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:
2:46 pm CDT Mar 23, 2026
Forecast Valid:
5pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation