Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast
21°F
-6°C
| Humidity | 93% |
| Wind Speed | SW 9 mph |
| Barometer | 30.04 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 11°F (-12°C) |
| Last update | 2 Feb 12:35 am CST |
Extended Forecast for
Janesville WI
Overnight

Low: 17 °F
Wintry Mix
LikelyMonday

High: 25 °F
Partly Sunny
Monday Night
Low: 10 °F
Mostly Cloudy
then Slight
Chance SnowTuesday

High: 21 °F
Sunny
Tuesday Night

Low: 3 °F
Partly Cloudy
Wednesday

High: 23 °F
Sunny
Wednesday Night

Low: 10 °F
Increasing
CloudsThursday
High: 32 °F
Partly Sunny
then Slight
Chance SnowThursday Night

Low: 31 °F
Chance
Rain/Snow
Detailed Forecast
Overnight
Snow and freezing rain likely before 4am, then a slight chance of snow between 4am and 5am, then a slight chance of freezing rain after 5am. Mostly cloudy, with a low around 17. Southwest wind around 5 mph becoming west. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 25. Northwest wind 5 to 10 mph.
Monday Night
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 10. Northwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 21. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 3. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 23. Calm wind becoming west around 5 mph.
Wednesday Night
Increasing clouds, with a low around 10. West wind around 5 mph becoming calm.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 32. Southwest wind 5 to 10 mph.
Thursday Night
A chance of rain and snow, mainly before midnight. Mostly cloudy, with a steady temperature around 31. Chance of precipitation is 30%.
Friday
A 20 percent chance of snow. Partly sunny, with a temperature falling to around 24 by 5pm.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 28.
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)
12:02 am CST Feb 2, 2026
12am CST Feb 2, 2026-6pm CST Feb 8, 2026



