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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

27°F

-3°C

Humidity 54%
Wind Speed E 3 mph
Barometer 29.93 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 6 Dec 1:45 pm CST
Extended Forecast for

3 Miles S Walworth WI

Winter Weather Advisory December 7, 12:00am until December 7, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 25. Northwest wind around 5 mph becoming calm.

    High: 25 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 9pm. The snow could be heavy at times. Steady temperature around 22. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Heavy Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 10 by 5pm. Wind chill values as low as -2. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 20 °F⇓

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 2. Wind chill values as low as -6. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 2 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before midnight, then rain and snow likely. Cloudy, with a low around 30.

    Low: 30 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 25. Northwest wind around 5 mph becoming calm.
Tonight
Snow, mainly after 9pm. The snow could be heavy at times. Steady temperature around 22. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 20 percent chance of snow before 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 10 by 5pm. Wind chill values as low as -2. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 2. Wind chill values as low as -6. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Tuesday Night
Rain before midnight, then rain and snow likely. Cloudy, with a low around 30.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12.
Thursday
A chance of snow. Mostly cloudy, with a high near 23.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 14.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Walworth WI
 42.5°N 88.6°W
Last Update:
1:51 pm CST Dec 6, 2025
Forecast Valid:
2pm CST Dec 6, 2025-6pm CST Dec 12, 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