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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 30.09 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 29 Jul 7:45 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Today

    Today: A 40 percent chance of showers and thunderstorms before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 97. East wind around 5 mph becoming west in the afternoon.

    High: 89 °F

    Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 10pm and 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Calm wind becoming northeast around 5 mph after midnight.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 74. Northeast wind 5 to 10 mph.

    High: 74 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 58. Northeast wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 75. Northeast wind 10 to 15 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Northeast wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Northeast wind 5 to 10 mph becoming light in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 97. East wind around 5 mph becoming west in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 10pm and 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
A 50 percent chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 74. Northeast wind 5 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 58. Northeast wind 10 to 15 mph. Chance of precipitation is 40%.
Thursday
Sunny, with a high near 75. Northeast wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 75. Northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 52. Northeast wind 5 to 10 mph becoming light in the evening.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
7:08 am CDT Jul 29, 2025
Forecast Valid:
8am CDT Jul 29, 2025-6pm CDT Aug 4, 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