Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

36°F

2°C

Humidity 65%
Wind Speed SW 6 mph
Barometer 29.84 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 26 Feb 5:45 pm CST
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: Mostly clear, with a low around 27. Southwest wind around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. West wind 5 to 10 mph becoming north after midnight.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 30. North wind 5 to 10 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Cloudy during the early evening, then gradual clearing, with a low around 13. North wind 5 to 10 mph.

    Low: 13 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Northeast wind 5 to 10 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 16. East wind around 5 mph.

    Low: 16 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 37. East wind 5 to 10 mph becoming southeast in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Southwest wind around 5 mph.
Friday
Sunny, with a high near 60. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 25. West wind 5 to 10 mph becoming north after midnight.
Saturday
Snow likely. Mostly cloudy, with a high near 30. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 13. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 31. Northeast wind 5 to 10 mph.
Sunday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. East wind around 5 mph.
Monday
Mostly sunny, with a high near 37. East wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A chance of rain and snow, mainly after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 25.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
5:03 pm CST Feb 26, 2026
6pm CST Feb 26, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database