Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Fair
55°F
13°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 29.87 in |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 22 Apr 12:55 am CDT |
Extended Forecast for
5 Miles SSW Janesville WI
Flood Warning until further notice
NOW until further notice
Flood Warning
Overnight
Low: 49 °F
Patchy Fog
Wednesday
High: 75 °F
Patchy Fog
then SunnyWednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 79 °F
Mostly Sunny
Thursday Night
Low: 61 °F
Chance
T-storms then
Showers
LikelyFriday
High: 72 °F
Showers
LikelyFriday Night
Low: 47 °F
Mostly Clear
Saturday
High: 66 °F
Mostly Sunny
Detailed Forecast
Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 75. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. South wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm. Cloudy, then gradually becoming mostly sunny, with a high near 72. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 47. Northwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 66. North wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 61.
Additional Forecasts and Information
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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)
11:46 pm CDT Apr 21, 2026
1am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
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