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.

Overcast

19°F

-7°C

Humidity 63%
Wind Speed N 13 G 18 mph
Barometer 30.42 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 22 Feb 9:35 pm CST
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: Scattered flurries before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values between zero and 5. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Scattered
    Flurries

  • Monday

    Monday: Sunny, with a high near 27. Wind chill values between zero and 10. North wind 5 to 15 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 16 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 40. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 40 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 21. West wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 35. Northeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 35 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered flurries before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values between zero and 5. North wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 27. Wind chill values between zero and 10. North wind 5 to 15 mph.
Monday Night
Increasing clouds, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 40. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 21. West wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 5 mph becoming northeast after midnight.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 35. Northeast wind 5 to 10 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, 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:
7:35 pm CST Feb 22, 2026
Forecast Valid:
9pm CST Feb 22, 2026-6pm CST Mar 1, 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