Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy
32°F
0°C
| Humidity | 44% |
| Wind Speed | S 5 mph |
| Barometer | 30.61 in |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 28 Mar 9:45 am CDT |
Extended Forecast for
Janesville WI
Today
High: 48 °F
Sunny
Tonight
Low: 36 °F
Partly Cloudy
Sunday
High: 63 °F
Mostly Sunny
Sunday Night
Low: 44 °F
Partly Cloudy
Monday
High: 75 °F
Mostly Sunny
Monday Night
Low: 59 °F
Chance
T-storms then
Showers
LikelyTuesday
High: 74 °F
Chance
Showers then
Showers
LikelyTuesday Night
Low: 35 °F
Chance Rain
then Chance
Rain/SnowWednesday
High: 48 °F
Slight Chance
Snow then
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 48. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 36. South wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 63. Southwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 44. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 75. South wind 5 to 15 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. North wind 10 to 15 mph. Chance of precipitation is 40%.
Wednesday
A 10 percent chance of snow before 7am. Partly sunny, with a high near 48.
Wednesday Night
A 20 percent chance of snow after 1am. Partly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 47. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 34.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
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)
8:51 am CDT Mar 28, 2026
10am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
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