National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

34°F

1°C

Humidity 75%
Wind Speed N 6 mph
Barometer 30.11 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 22 Mar 9:15 pm CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. North wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 45. North wind 5 to 10 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 29. East wind 5 to 10 mph becoming south after midnight.

    Low: 29 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. Southwest wind 10 to 15 mph.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. South wind 5 to 10 mph.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Southeast wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Mostly cloudy, with a high near 68. South wind 5 to 15 mph becoming northwest in the afternoon.

    High: 68 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. North wind 5 to 10 mph.
Monday
Sunny, with a high near 45. North wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 29. East wind 5 to 10 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 55. Southwest wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 58. South wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Southeast wind 5 to 10 mph.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 68. South wind 5 to 15 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 57.
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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:
9:37 pm CDT Mar 22, 2026
Forecast Valid:
9pm CDT Mar 22, 2026-6pm CDT Mar 29, 2026
 
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