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.

Overcast with Haze

59°F

15°C

Humidity 82%
Wind Speed N 7 mph
Barometer 30.07 in
Dewpoint 54°F (12°C)
Visibility 6.00 mi
Last update 14 Jun 6:45 am CDT
Extended Forecast for

3 Miles W Walworth WI

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 56. East wind 5 to 10 mph becoming light after midnight.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Southeast wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.

    High: 82 °F

    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 77. East wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 56. East wind 5 to 10 mph becoming light after midnight.
Sunday
Mostly sunny, with a high near 81. Southeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm after midnight.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind around 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 60.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Walworth WI
 42.53°N 88.66°W (Elev. 951 ft)
Last Update:
5:08 am CDT Jun 14, 2025
Forecast Valid:
6am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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