National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

3°F

-16°C

Humidity 66%
Wind Speed NW 6 mph
Barometer 30.35 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 29 Jan 9:45 am CST
Extended Forecast for

Beloit WI

  • Today

    Today: Sunny, with a high near 14. Wind chill values between -5 and 5. Northwest wind around 5 mph.

    High: 14 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values between -5 and -10. North wind around 5 mph.

    Low: -2 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 16. Wind chill values between -5 and -15. North wind 5 to 15 mph.

    High: 16 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. Wind chill values between -10 and zero. Northwest wind 5 to 10 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 20. North wind 5 to 10 mph.

    High: 20 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. Northwest wind around 5 mph becoming calm.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 25. South wind 5 to 10 mph.

    High: 25 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 15. Southwest wind around 5 mph.

    Low: 15 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 14. Wind chill values between -5 and 5. Northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around -2. Wind chill values between -5 and -10. North wind around 5 mph.
Friday
Mostly sunny, with a high near 16. Wind chill values between -5 and -15. North wind 5 to 15 mph.
Friday Night
Partly cloudy, with a low around 4. Wind chill values between -10 and zero. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 20. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 3. Northwest wind around 5 mph becoming calm.
Sunday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 25. South wind 5 to 10 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15. Southwest wind around 5 mph.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 26.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 26.
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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:
7:33 am CST Jan 29, 2026
Forecast Valid:
10am CST Jan 29, 2026-6pm CST Feb 4, 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