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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

61°F

16°C

Humidity 94%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 13 Jul 3:30 am CDT
Extended Forecast for

Janesville WI

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Areas of smoke after 10am. Partly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Areas Smoke

  • Sunday Night

    Sunday Night: Areas of smoke before 2am. Mostly clear, with a low around 61. West wind around 5 mph becoming calm.

    Low: 61 °F

    Areas Smoke

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the morning.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Southwest wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.

    High: 86 °F

    Sunny

  • Tuesday Night

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

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Sunday
Areas of smoke after 10am. Partly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Areas of smoke before 2am. Mostly clear, with a low around 61. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 64. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 77.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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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:
1:38 am CDT Jul 13, 2025
Forecast Valid:
3am CDT Jul 13, 2025-6pm CDT Jul 19, 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