Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast and Breezy
43°F
6°C
| Humidity | 71% |
| Wind Speed | W 25 G 36 mph |
| Barometer | 29.89 in |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 4 Apr 5:45 pm CDT |
Extended Forecast for
Janesville WI
Tonight
Low: 33 °F
Scattered
Rain/Snow and
Breezy then
Mostly CloudySunday

High: 52 °F
Decreasing
CloudsSunday Night

Low: 35 °F
Chance
ShowersMonday

High: 46 °F
Mostly Sunny
Monday Night

Low: 20 °F
Mostly Clear
Tuesday

High: 44 °F
Sunny
Tuesday Night
Low: 31 °F
Mostly Cloudy
then Chance
Rain/SnowWednesday

High: 63 °F
Chance
Showers and
WindyWednesday Night

Low: 48 °F
Showers
Likely
Detailed Forecast
Tonight
Scattered rain and snow showers before 11pm, then a slight chance of sprinkles and flurries between 11pm and midnight. Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 52. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 35. West wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 46. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 20. North wind 5 to 15 mph.
Tuesday
Sunny, with a high near 44. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A chance of snow showers after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 31. Southeast wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 63. Windy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 60.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 60.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
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)
6:01 pm CDT Apr 4, 2026
6pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026



