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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Smoke Haze

79°F

26°C

Humidity 58%
Wind Speed W 13 mph
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 5.00 mi
Heat Index81°F (27°C)
Last update 13 Jul 4:45 pm CDT
Extended Forecast for

Janesville WI

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Areas Smoke

  • Monday

    Monday: Sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming south around 5 mph in the morning.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph.

    High: 79 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Areas of smoke. Mostly clear, with a low around 62. Southwest wind around 5 mph.
Monday
Sunny, with a high near 85. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 65. Calm wind.
Tuesday
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 68. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Janesville WI
 42.67°N 89.04°W (Elev. 774 ft)
Last Update:
4:24 pm CDT Jul 13, 2025
Forecast Valid:
5pm CDT Jul 13, 2025-6pm CDT Jul 20, 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