National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

18°F

-8°C

Humidity 53%
Wind Speed N 12 mph
Barometer 30.25 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 7 Dec 2:45 pm CST
Extended Forecast for

3 Miles S Walworth WI

  • This Afternoon

    This Afternoon: Patchy blowing snow. Sunny, with a high near 22. Wind chill values as low as -6. North wind around 10 mph, with gusts as high as 20 mph.

    High: 22 °F

    Patchy
    Blowing Snow

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 8 by 5am. Wind chill values as low as -10. North wind around 5 mph becoming calm after midnight.

    Low: 4 °F⇑

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 22. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 22 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 14. Wind chill values as low as 1. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Cloudy, with a high near 33. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 33 °F

    Cloudy then
    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 3am. Low around 30. Breezy. Chance of precipitation is 90%.

    Low: 30 °F

    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 20.

    High: 20 °F

    Chance Snow

Detailed Forecast

This Afternoon
Patchy blowing snow. Sunny, with a high near 22. Wind chill values as low as -6. North wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a temperature rising to around 8 by 5am. Wind chill values as low as -10. North wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 22. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14. Wind chill values as low as 1. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of snow after noon. Cloudy, with a high near 33. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Rain and snow, becoming all snow after 3am. Low around 30. Breezy. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. Breezy.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
A chance of snow. Partly sunny, with a high near 20.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 4.
Friday
A chance of snow. Mostly cloudy, with a high near 14.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
Partly sunny and cold, with a high near 7.
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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:
3:11 pm CST Dec 7, 2025
Forecast Valid:
3pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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