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

28°F

-2°C

Humidity 74%
Wind Speed SW 9 mph
Barometer 29.89 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 5 Feb 11:45 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 33. Southwest wind 10 to 15 mph.

    High: 33 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow likely before 3am, then snow and freezing rain likely between 3am and 4am, then snow likely after 4am. Mostly cloudy, with a low around 27. West wind 5 to 10 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Friday

    Friday: A chance of snow before 9am, then a chance of flurries between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 36. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 5. Wind chill values between -5 and zero. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 21. North wind around 5 mph becoming calm.

    High: 21 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Southeast wind around 5 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 32. South wind 5 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South wind around 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 33. Southwest wind 10 to 15 mph.
Tonight
Snow likely before 3am, then snow and freezing rain likely between 3am and 4am, then snow likely after 4am. Mostly cloudy, with a low around 27. West wind 5 to 10 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 9am, then a chance of flurries between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 36. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 5. Wind chill values between -5 and zero. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Increasing clouds, with a high near 21. North wind around 5 mph becoming calm.
Saturday Night
Mostly cloudy, with a low around 15. Southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 32. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 19. South wind around 5 mph.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
11:57 am CST Feb 5, 2026
Forecast Valid:
12pm CST Feb 5, 2026-6pm CST Feb 11, 2026
 
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