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

36°F

2°C

Humidity 75%
Wind Speed NW 18 G 25 mph
Barometer 29.89 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 6 Feb 11:45 am CST
Extended Forecast for

Beloit WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a temperature falling to around 29 by 5pm. North wind around 15 mph, with gusts as high as 30 mph.

    High: 37 °F⇓

    Mostly Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 5. North wind 5 to 15 mph, with gusts as high as 30 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 in the morning.

    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 21. Southeast wind around 5 mph becoming south after midnight.

    Low: 21 °F

    Partly Cloudy

  • Monday

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

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Northwest wind around 5 mph becoming calm.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a temperature falling to around 29 by 5pm. North wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 5. North wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Increasing clouds, with a high near 22. Wind chill values between zero and 10. North wind around 5 mph becoming calm in the morning.
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 21. Southeast wind around 5 mph becoming south after midnight.
Monday
Partly sunny, with a high near 41. Southwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 30. Northwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 46.
Tuesday Night
A 30 percent chance of rain. Cloudy, with a low around 29.
Wednesday
A slight chance of rain and 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
12:22 pm CST Feb 6, 2026
Forecast Valid:
12pm CST Feb 6, 2026-6pm CST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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