Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast
32°F
0°C
| Humidity | 80% |
| Wind Speed | W 8 mph |
| Barometer | 29.80 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 5 Feb 7:45 pm CST |
Extended Forecast for
Janesville WI
Tonight
Low: 27 °F
Cloudy then
Wintry MixFriday
High: 36 °F
Chance Snow
then Partly
SunnyFriday Night

Low: 5 °F
Mostly Clear
Saturday

High: 21 °F
Increasing
CloudsSaturday Night

Low: 16 °F
Mostly Cloudy
Sunday

High: 32 °F
Mostly Cloudy
Sunday Night

Low: 19 °F
Mostly Cloudy
Monday

High: 40 °F
Partly Sunny
Monday Night

Low: 30 °F
Partly Cloudy
Detailed Forecast
Tonight
Snow likely before 3am, then snow and freezing rain likely between 3am and 4am, then snow after 4am. Low around 27. West wind 5 to 10 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Friday
A chance of snow before 9am, then scattered flurries between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 36. North wind 10 to 15 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. Wind chill values between zero and 10. North wind around 5 mph becoming calm.
Saturday Night
Mostly cloudy, with a low around 16. Southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 32. South wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 19. South wind around 5 mph.
Monday
Partly sunny, with a high near 40. South wind around 5 mph.
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.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 37.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Janesville WI
42.67°N 89.04°W (Elev. 774 ft)
42.67°N 89.04°W (Elev. 774 ft)
7:33 pm CST Feb 5, 2026
7pm CST Feb 5, 2026-6pm CST Feb 12, 2026



