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.

Partly Cloudy

21°F

-6°C

Humidity 63%
Wind Speed S 13 mph
Barometer 29.91 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 24 Feb 6:45 am CST
Extended Forecast for

Beloit WI

  • Today

    Today: A chance of rain showers before 4pm, then a chance of snow between 4pm and 5pm, then a chance of sprinkles after 5pm. Increasing clouds, with a high near 40. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

    High: 40 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain/Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 20. West wind around 15 mph.

    Low: 20 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 31. West wind 5 to 15 mph.

    High: 31 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Partly cloudy, with a low around 17. West wind around 5 mph becoming calm in the evening.

    Low: 17 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 39. East wind around 5 mph becoming west in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. Southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow

Detailed Forecast

Today
A chance of rain showers before 4pm, then a chance of snow between 4pm and 5pm, then a chance of sprinkles after 5pm. Increasing clouds, with a high near 40. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 20. West wind around 15 mph.
Wednesday
Sunny, with a high near 31. West wind 5 to 15 mph.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 17. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 39. East wind around 5 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 27. Southwest wind around 5 mph.
Friday
Sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 27. Southwest wind 5 to 10 mph becoming northwest after midnight.
Saturday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 29.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.05°W (Elev. 751 ft)
Last Update:
5:18 am CST Feb 24, 2026
Forecast Valid:
7am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation