National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

23°F

-5°C

Humidity 58%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 23 Feb 10:35 pm CST
Extended Forecast for

Capron IL

  • Tonight

    Tonight: Mostly cloudy, with a temperature falling to near 14 by midnight, then rising to around 19 during the remainder of the night. Light southeast wind becoming south 5 to 10 mph after midnight.

    Low: 14 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers after 3pm. Mostly cloudy, with a high near 41. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.

    High: 41 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 31. West northwest wind 5 to 15 mph.

    High: 31 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 19. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 19 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature falling to near 14 by midnight, then rising to around 19 during the remainder of the night. Light southeast wind becoming south 5 to 10 mph after midnight.
Tuesday
A chance of rain and snow showers after 3pm. Mostly cloudy, with a high near 41. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 31. West northwest wind 5 to 15 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. West northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 25.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
A chance of snow. Partly sunny, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18.
Monday
A chance of snow. Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Capron IL
 42.4°N 88.73°W
Last Update:
8:51 pm CST Feb 23, 2026
Forecast Valid:
10pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation