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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

A Few Clouds

72°F

22°C

Humidity 27%
Wind Speed E 10 G 20 mph
Barometer 29.89 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 6 May 3:45 pm CDT
Extended Forecast for

Janesville WI

  • Tonight

    Tonight: Increasing clouds, with a low around 56. East wind 10 to 15 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon. High near 72. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 51. Southwest wind 5 to 10 mph.

    Low: 51 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 57. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 64. Northwest wind around 10 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. East wind 10 to 15 mph.
Tuesday
Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon. High near 72. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 51. Southwest wind 5 to 10 mph.
Wednesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 57. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 40. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 64. Northwest wind around 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 69.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Janesville WI
 42.69°N 89.01°W (Elev. 863 ft)
Last Update:
3:10 pm CDT May 6, 2024
Forecast Valid:
4pm CDT May 6, 2024-6pm CDT May 13, 2024
 
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