Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fog/Mist
45°F
7°C
| Humidity | 93% |
| Wind Speed | E 6 mph |
| Barometer | 30.00 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 5.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 5 Mar 5:45 pm CST |
Extended Forecast for
Janesville WI
Tonight
Low: 41 °F
Patchy Fog
Friday
High: 66 °F
Rain and
Patchy FogFriday Night
Low: 53 °F
Rain then
T-stormsSaturday
High: 54 °F⇓
Slight Chance
Rain and
Breezy then
Partly SunnySaturday Night
Low: 34 °F
Mostly Clear
Sunday
High: 60 °F
Sunny then
Sunny and
BreezySunday Night
Low: 47 °F
Mostly Clear
Monday
High: 68 °F
Sunny
Monday Night
Low: 44 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 7pm. Otherwise, cloudy, with a low around 41. Southeast wind around 5 mph.
Friday
Rain and thunderstorms before 2pm, then rain likely and possibly a thunderstorm between 2pm and 3pm, then a chance of rain and thunderstorms after 3pm. Patchy fog before noon. High near 66. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 11pm. Low around 53. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of rain before 9am. Mostly cloudy, with a temperature falling to around 46 by 4pm. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 68. Southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 44.
Tuesday
A slight chance of rain, then rain likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 40. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Sunny, with a high near 46.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Janesville WI
42.67°N 89.04°W (Elev. 774 ft)
42.67°N 89.04°W (Elev. 774 ft)
3:35 pm CST Mar 5, 2026
6pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
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