Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Mostly Cloudy
64°F
18°C
| Humidity | 49% |
| Wind Speed | SW 16 G 22 mph |
| Barometer | 29.89 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 21 Apr 9:45 am CDT |
Extended Forecast for
5 Miles SSW Janesville WI
Flood Warning until further notice
NOW until further notice
Flood Warning
Today
High: 74 °F
Partly Sunny
then Chance
ShowersTonight
Low: 47 °F
Mostly Clear
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 79 °F
Mostly Sunny
then Mostly
Sunny and
BreezyThursday Night
Low: 60 °F
Chance
T-storms then
Showers
LikelyFriday
High: 71 °F
Showers
LikelyFriday Night
Low: 45 °F
Slight Chance
Showers
Detailed Forecast
Today
A chance of rain before 1pm, then a slight chance of showers and thunderstorms between 1pm and 3pm. Mostly sunny, with a high near 74. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 47. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. East wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 60. South wind around 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 71. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 45. North wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Janesville WI
42.63°N 89.04°W (Elev. 804 ft)
42.63°N 89.04°W (Elev. 804 ft)
8:56 am CDT Apr 21, 2026
10am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
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