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

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Capron IL

  • Overnight

    Overnight: Clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. South wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 51. Calm wind.
Thursday
Mostly sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 56. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. South southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Capron IL
 42.4°N 88.73°W
Last Update:
1:21 am CDT Jul 23, 2026
Forecast Valid:
1am CDT Jul 23, 2026-6pm CDT Jul 29, 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