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.

Fog/Mist

30°F

-1°C

Humidity 86%
Wind Speed S 6 mph
Barometer 29.58 in
Dewpoint 27°F (-3°C)
Visibility 6.00 mi
Wind Chill24°F (-4°C)
Last update 9 Dec 4:45 pm CST
Extended Forecast for

Beloit WI

Winter Weather Advisory December 9, 06:00pm until December 10, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of freezing rain. Cloudy, with a high near 33. South wind around 5 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance
    Freezing Rain

  • Tonight

    Tonight: Rain, snow, and freezing rain before 2am, then a chance of rain between 2am and 5am, then snow after 5am. Low around 27. Breezy, with a south wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    Low: 27 °F

    Wintry Mix
    and Breezy

  • Wednesday

    Wednesday: Snow before 9am, then a slight chance of snow after 5pm. Temperature falling to around 24 by 5pm. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 30 °F⇓

    Snow and
    Blustery then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 8. Northwest wind 5 to 10 mph.

    Low: 8 °F

    Gradual
    Clearing

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Increasing clouds, with a high near 21. Northwest wind around 5 mph becoming south in the afternoon.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 13. Calm wind becoming north around 5 mph after midnight.

    Low: 13 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 24. North wind 5 to 10 mph becoming west in the morning.

    High: 24 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 3. Northwest wind around 10 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of freezing rain. Cloudy, with a high near 33. South wind around 5 mph. Chance of precipitation is 40%.
Tonight
Rain, snow, and freezing rain before 2am, then a chance of rain between 2am and 5am, then snow after 5am. Low around 27. Breezy, with a south wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Wednesday
Snow before 9am, then a slight chance of snow after 5pm. Temperature falling to around 24 by 5pm. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 8. Northwest wind 5 to 10 mph.
Thursday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 21. Northwest wind around 5 mph becoming south in the afternoon.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13. Calm wind becoming north around 5 mph after midnight.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 24. North wind 5 to 10 mph becoming west in the morning.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 3. Northwest wind around 10 mph.
Saturday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 10.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -9.
Sunday
Sunny and cold, with a high near 6.
Sunday Night
Partly cloudy, with a low around -6.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 25.
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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:
5:17 pm CST Dec 9, 2025
Forecast Valid:
5pm CST Dec 9, 2025-6pm CST Dec 16, 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