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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

79°F

26°C

Humidity 79%
Wind Speed E 14 mph
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 4:45 pm CDT
Extended Forecast for

2 Miles W Harvard IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. East wind 5 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 84. South wind around 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. North northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. East wind 5 to 10 mph.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 84. South wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 63. North northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Harvard IL
 42.42°N 88.67°W
Last Update:
4:12 pm CDT Aug 17, 2025
Forecast Valid:
4pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
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