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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

63°F

17°C

Humidity 88%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Jun 5:10 am CDT
Extended Forecast for

2 Miles NE Caledonia IL

Heat Advisory June 29, 12:00pm until July 1, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Partly sunny, with a high near 82. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 103. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Partly sunny, with a high near 82. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 103. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 93. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Caledonia IL
 42.42°N 88.87°W
Last Update:
4:56 am CDT Jun 28, 2026
Forecast Valid:
5am CDT Jun 28, 2026-6pm CDT Jul 4, 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