National Weather Service

News Headlines

September 2025 Climate Summary

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

70°F

21°C

Humidity	57%
Wind Speed	S 12 mph
Barometer	30.01 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	6 Oct 12:30 am CDT

More Information:

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

Extended Forecast for

5 Miles NW Capron IL

Overnight
Low: 63 °F
Mostly Clear
Monday
High: 76 °F
Chance
Showers
Monday Night
Low: 52 °F
Showers
Tuesday
High: 65 °F
Decreasing
Clouds
Tuesday Night
Low: 41 °F
Mostly Clear
Wednesday
High: 66 °F
Sunny
Wednesday Night
Low: 41 °F
Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 45 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 63. South southwest wind around 10 mph.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. South southwest wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 40%.

Monday Night

Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 52. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Mostly cloudy, then gradually becoming sunny, with a high near 65. North wind around 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 41. North wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 66.

Wednesday Night

Clear, with a low around 41.

Thursday

Sunny, with a high near 66.

Thursday Night

Partly cloudy, with a low around 45.