Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Partly Cloudy and Breezy
77°F
25°C
| Humidity | 61% |
| Wind Speed | S 23 G 30 mph |
| Barometer | 29.77 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 17 Apr 12:45 pm CDT |
Extended Forecast for
5 Miles SSW Janesville WI
Flood Warning until further notice
Flood Watch April 17, 01:00pm until April 18, 07:00am
Tornado Watch until April 17, 08:00pm
NOW: Multiple hazards in effect
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This Afternoon
High: 80 °F
Severe
Thunderstorms
and BreezyTonight
Low: 39 °F
Severe
Thunderstorms
then Showers
and BreezySaturday
High: 48 °F
Clearing and
BreezySaturday Night
Low: 31 °F
Mostly Clear
Sunday
High: 49 °F
Mostly Sunny
Sunday Night
Low: 28 °F
Mostly Clear
Monday
High: 56 °F
Sunny
Monday Night
Low: 44 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 80. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Some of the storms could be severe. Low around 39. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Cloudy through mid morning, then clearing, with a high near 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 49. Northwest wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming light north in the evening.
Monday
Sunny, with a high near 56. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South wind around 10 mph.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
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)
12:46 pm CDT Apr 17, 2026
12pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026
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