Hazardous Weather Conditions
Current conditions at
Janesville-Rock County (KJVL)
Lat: 42.62°NLon: 89.04°WElev: 801ft.
Overcast and Breezy
75°F
24°C
| Humidity | 61% |
| Wind Speed | S 21 G 30 mph |
| Barometer | 29.63 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 3:45 pm CDT |
Extended Forecast for
5 Miles SSW Janesville WI
Flood Warning until further notice
Flood Watch 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: 55 °F
Sunny
Monday Night
Low: 43 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 80. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth 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 55. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 43. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
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)
3:33 pm CDT Apr 17, 2026
4pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
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