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

32°F

0°C

Humidity 51%
Wind Speed N 16 mph
Barometer 30.08 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 6 Feb 5:45 pm CST
Extended Forecast for

4 Miles WNW Beloit WI

  • Tonight

    Tonight: Mostly clear, with a low around 5. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 22. Wind chill values between zero and 10. North wind around 5 mph becoming calm.

    High: 22 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Southeast wind 5 to 10 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. Southeast wind 5 to 10 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Southeast wind around 5 mph becoming south after midnight.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. Southwest wind 5 to 10 mph.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 46. Southeast wind 5 to 10 mph becoming north in the afternoon.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 5. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Increasing clouds, with a high near 22. Wind chill values between zero and 10. North wind around 5 mph becoming calm.
Saturday Night
Mostly cloudy, with a low around 17. Southeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 31. Southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 20. Southeast wind around 5 mph becoming south after midnight.
Monday
Partly sunny, with a high near 41. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 46. Southeast wind 5 to 10 mph becoming north in the afternoon.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 38.
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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:
5:27 pm CST Feb 6, 2026
Forecast Valid:
6pm CST Feb 6, 2026-6pm CST Feb 13, 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