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

27°F

-3°C

Humidity 86%
Wind Speed SW 13 mph
Barometer 29.72 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 9 Dec 7:45 am CST
Extended Forecast for

Beloit WI

  • Today

    Today: A chance of snow between 4pm and 5pm, then a chance of freezing rain after 5pm. Cloudy, with a high near 33. West wind 10 to 15 mph. Chance of precipitation is 40%.

    High: 33 °F

    Cloudy then
    Chance Wintry
    Mix

  • Tonight

    Tonight: Rain and snow, possibly mixed with freezing rain before 11pm, then a chance of rain between 11pm and 4am, then snow likely after 4am. Low around 27. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Breezy.
    Wintry Mix
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 30 °F⇓

    Snow Likely
    and Breezy
    then Slight
    Chance Snow
    and Blustery

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 8. Northwest wind 5 to 10 mph.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 21. West wind around 5 mph.

    High: 21 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 8. Calm wind becoming west around 5 mph after midnight.

    Low: 8 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 22. West wind 5 to 15 mph.

    High: 22 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind around 10 mph.

    Low: -1 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy and cold, with a high near 7.

    High: 7 °F

    Chance Snow

Detailed Forecast

Today
A chance of snow between 4pm and 5pm, then a chance of freezing rain after 5pm. Cloudy, with a high near 33. West wind 10 to 15 mph. Chance of precipitation is 40%.
Tonight
Rain and snow, possibly mixed with freezing rain before 11pm, then a chance of rain between 11pm and 4am, then snow likely after 4am. Low around 27. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 8. Northwest wind 5 to 10 mph.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 21. West wind around 5 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8. Calm wind becoming west around 5 mph after midnight.
Friday
A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 22. West wind 5 to 15 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind around 10 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy and cold, with a high near 7.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -9.
Sunday
Mostly sunny and cold, with a high near 7.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -6.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 20.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
8:12 am CST Dec 9, 2025
Forecast Valid:
8am CST Dec 9, 2025-6pm CST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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