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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

24°C

75°F

Humidity 65%
Wind Speed NE 17 km/h
Barometer 30.05 in
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 15 Jun 7:45 pm CDT
Extended Forecast for

Janesville WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. East wind 5 to 10 km/h.

    Low: 16 °C

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. South wind 5 to 15 km/h.

    High: 30 °C

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 18. South wind 10 to 15 km/h. Chance of precipitation is 30%.

    Low: 18 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 31. West wind 10 to 15 km/h. Chance of precipitation is 50%.

    High: 31 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 19. West wind 5 to 10 km/h becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Low: 19 °C

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 27. Southeast wind 10 to 20 km/h becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    High: 27 °C

    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 16. Northwest wind 10 to 15 km/h.

    Low: 16 °C

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 26. Northwest wind 10 to 15 km/h.

    High: 26 °C

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 15.

    Low: 15 °C

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. East wind 5 to 10 km/h.
Monday
Mostly sunny, with a high near 30. South wind 5 to 15 km/h.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 18. South wind 10 to 15 km/h. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 31. West wind 10 to 15 km/h. Chance of precipitation is 50%.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 19. West wind 5 to 10 km/h becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Wednesday
Showers and possibly a thunderstorm. High near 27. Southeast wind 10 to 20 km/h becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 16. Northwest wind 10 to 15 km/h.
Juneteenth
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 26. Northwest wind 10 to 15 km/h.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 29.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 20.
Saturday
Mostly sunny and hot, with a high near 32.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny and hot, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Janesville WI
 42.67°N 89.04°W (Elev. 774 m)
Last Update:
5:54 pm CDT Jun 15, 2025
Forecast Valid:
8pm CDT Jun 15, 2025-6pm CDT Jun 22, 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