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

48°F

9°C

Humidity 43%
Wind Speed NE 7 mph
Barometer 29.63 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 19 Feb 11:45 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • This Afternoon

    This Afternoon: A 50 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 53. Northeast wind 5 to 10 mph.

    High: 53 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain before 5am, then rain and snow. Some thunder is also possible. Low around 30. Northeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 30 °F

    Showers then
    Rain/Snow

  • Friday

    Friday: Snow, mainly before 11am. High near 35. Windy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 35 °F

    Windy. Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34. Northwest wind 10 to 15 mph.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Northwest wind 10 to 15 mph.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 28 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Northwest wind 10 to 15 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 53. Northeast wind 5 to 10 mph.
Tonight
Rain before 5am, then rain and snow. Some thunder is also possible. Low around 30. Northeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Snow, mainly before 11am. High near 35. Windy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
Partly cloudy, with a low around 22. West wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 34. Northwest wind 10 to 15 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23. Northwest wind 10 to 15 mph.
Sunday
Mostly cloudy, with a high near 28. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 16. Northwest wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 45.
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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:
11:32 am CST Feb 19, 2026
Forecast Valid:
12pm CST Feb 19, 2026-6pm CST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation