Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Light Rain Fog/Mist
39°F
4°C
| Humidity | 100% |
| Wind Speed | E 12 mph |
| Barometer | 29.70 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 7.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 2 Apr 10:45 am CDT |
Extended Forecast for
Janesville WI
Today
High: 65 °F
Showers and
BreezyTonight
Low: 39 °F
Heavy Rain
and Breezy
then Mostly
CloudyFriday
High: 59 °F
Partly Sunny
Friday Night
Low: 40 °F
Showers
Saturday
High: 56 °F
Chance
Showers and
BreezySaturday Night
Low: 33 °F
Mostly Cloudy
and Breezy
then Mostly
CloudySunday
High: 51 °F
Decreasing
CloudsSunday Night
Low: 33 °F
Mostly Clear
Monday
High: 51 °F
Partly Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. High near 65. Breezy, with a southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Some of the storms could produce heavy rainfall. Low around 39. Breezy, with a south wind 15 to 20 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Partly sunny, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then a chance of showers after 4am. Low around 40. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 56. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 51. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 33. West wind 5 to 10 mph.
Monday
Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 61. Breezy.
Additional Forecasts and Information
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Point Forecast:
Janesville WI
42.67°N 89.04°W (Elev. 774 ft)
42.67°N 89.04°W (Elev. 774 ft)
9:31 am CDT Apr 2, 2026
11am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
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