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June 18, 2025: Line of Thunderstorms Produces Wind Damage in Eastern Illinois and Northwestern Indiana
June 22, 2025 Marks the 10-Year Anniversary of the June 22, 2015 Tornado Outbreak, Including the Coal City-Braidwood EF-3 Tornado

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Thunderstorm Light Rain

75°F

24°C

Humidity	69%
Wind Speed	N 16 G 22 mph
Barometer	30.12 in
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	23 Jun 8:45 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles S Walworth WI

Heat Advisory June 23, 09:09pm until June 24, 12:00am

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 23, 09:09pm until June 24, 12:00am
NOW until 12:00am Tue
Heat Advisory
Tonight
Low: 70 °F
Showers
Likely
Tuesday
High: 85 °F
Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 65 °F
T-storms
Likely
Wednesday
High: 82 °F
Showers
Likely
Wednesday Night
Low: 65 °F
Chance
T-storms
Thursday
High: 88 °F
Chance
T-storms
Thursday Night
Low: 69 °F
Chance
T-storms
Friday
High: 85 °F
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 85. West southwest wind 5 to 10 mph becoming northwest 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.

Tuesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 65. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. East wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind around 5 mph, with gusts as high as 10 mph.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Thursday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 85.

Friday Night

Partly cloudy, with a low around 67.

Saturday

Mostly sunny, with a high near 87.