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.

Blowing Snow

21°F

-6°C

Humidity 86%
Wind Speed N 12 G 18 mph
Barometer 30.15 in
Dewpoint 18°F (-8°C)
Visibility 6.00 mi
Wind Chill9°F (-13°C)
Last update 7 Dec 8:45 am CST
Extended Forecast for

Beloit WI

  • Today

    Today: Mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values between zero and 10. North wind 10 to 15 mph.

    High: 22 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 2. North wind around 5 mph becoming calm in the evening.

    Low: 2 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 23. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 23 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of snow. Mostly cloudy, with a temperature falling to near 16 by 9pm, then rising to around 25 during the remainder of the night. South wind 10 to 15 mph.

    Low: 16 °F⇑

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of rain after noon, mixing with snow after 3pm. Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow before 9pm, then rain between 9pm and 3am, then rain and snow likely after 3am. Low around 28. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon. Mostly cloudy, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13. Northwest wind 5 to 10 mph.

    Low: 13 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 24.

    High: 24 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values between zero and 10. North wind 10 to 15 mph.
Tonight
Increasing clouds, with a low around 2. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 23. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a temperature falling to near 16 by 9pm, then rising to around 25 during the remainder of the night. South wind 10 to 15 mph.
Tuesday
A slight chance of rain after noon, mixing with snow after 3pm. Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tuesday Night
Rain, possibly mixed with snow before 9pm, then rain between 9pm and 3am, then rain and snow likely after 3am. Low around 28. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before noon. Mostly cloudy, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13. Northwest wind 5 to 10 mph.
Thursday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 24.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 14.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
Partly sunny and cold, with a high near 10.
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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:
9:17 am CST Dec 7, 2025
Forecast Valid:
9am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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