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 and Breezy

36°F

2°C

Humidity 87%
Wind Speed NE 22 G 30 mph
Barometer 30.14 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 26 Mar 10:30 pm CDT
Extended Forecast for

4 Miles WNW Beloit WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Mostly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 44. North wind 10 to 15 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21. Northwest wind 5 to 15 mph.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. South wind 10 to 15 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Southwest wind 10 to 15 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. South wind around 10 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Southeast wind 10 to 15 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 44. North wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 21. Northwest wind 5 to 15 mph.
Saturday
Mostly sunny, with a high near 48. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 36. South wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 63. Southwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 46. South wind around 10 mph.
Monday
Mostly sunny, with a high near 71. Southeast wind 10 to 15 mph.
Monday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 51.
Tuesday
A 50 percent chance of rain. Partly sunny, with a high near 72.
Tuesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 60.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Beloit WI
 42.54°N 89.1°W (Elev. 889 ft)
Last Update:
9:34 pm CDT Mar 26, 2026
Forecast Valid:
11pm CDT Mar 26, 2026-6pm CDT Apr 2, 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