Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

A Few Clouds

18°F

-8°C

Humidity 62%
Wind Speed N 6 mph
Barometer 30.31 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 3 Feb 6:45 pm CST
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: Mostly clear, with a low around 4. North wind around 5 mph becoming calm  in the evening.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 24. Wind chill values between zero and 10. Calm wind becoming north around 5 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10. Calm wind becoming southwest around 5 mph after midnight.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow before noon.  Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after midnight.  Mostly cloudy, with a low around 27. West wind 5 to 10 mph.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Partly sunny, with a high near 39. Northwest wind around 15 mph.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 11. North wind 5 to 10 mph.

    Low: 11 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 28. Northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 4. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 24. Wind chill values between zero and 10. Calm wind becoming north around 5 mph.
Wednesday Night
Increasing clouds, with a low around 10. Calm wind becoming southwest around 5 mph after midnight.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph.
Thursday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 27. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 39. Northwest wind around 15 mph.
Friday Night
Mostly clear, with a low around 11. North wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 28. Northeast wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
7:33 pm CST Feb 3, 2026
7pm CST Feb 3, 2026-6pm CST Feb 10, 2026
 
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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