Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
28°F
-2°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.04 in |
| Dewpoint | 27°F (-3°C) |
| Visibility | 5.00 mi |
| Last update | 14 Feb 8:45 am CST |
Extended Forecast for
Janesville WI
Today

High: 53 °F
Partly Sunny
Tonight

Low: 34 °F
Partly Cloudy
Sunday

High: 54 °F
Sunny
Sunday Night

Low: 35 °F
Partly Cloudy
Washington's Birthday

High: 61 °F
Mostly Sunny
Monday Night

Low: 40 °F
Partly Cloudy
Tuesday

High: 54 °F
Mostly Cloudy
Tuesday Night

Low: 44 °F
Rain Likely
Wednesday

High: 56 °F
Chance Rain
Detailed Forecast
Today
Partly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 34. Southeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 54. Calm wind becoming northwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 35. Calm wind becoming south around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 61. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 40. Southwest wind around 5 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 54. East wind 5 to 15 mph.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 44. East wind around 15 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 56.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 31. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Janesville WI
42.69°N 89.01°W (Elev. 863 ft)
42.69°N 89.01°W (Elev. 863 ft)
7:33 am CST Feb 14, 2026
9am CST Feb 14, 2026-6pm CST Feb 20, 2026



