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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

46°F

8°C

Humidity 82%
Wind Speed SW 10 mph
Barometer 29.76 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 Mar 6:45 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Today

    Today: Partly sunny, with a high near 58. Southwest wind 10 to 15 mph becoming north in the afternoon.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 65. South wind 5 to 15 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Southwest wind around 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29. North wind 10 to 15 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North wind 5 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. East wind around 5 mph becoming south after midnight.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 58. Southwest wind 10 to 15 mph becoming north in the afternoon.
Tonight
Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 65. South wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 47. Southwest wind around 10 mph.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 29. North wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 47. North wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 32. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
6:57 am CDT Mar 20, 2026
Forecast Valid:
7am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation