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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

72°F

22°C

Humidity 53%
Wind Speed SW 9 mph
Barometer 29.71 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Mar 9:50 pm CDT
Extended Forecast for

5 Miles SSW Janesville WI

Severe T-storm Watch until March 31, 03:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until March 31, 03:00am

    NOW until 3:00am Tue

    Severe T-storm Watch

  • Tonight

    Low: 61 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. South wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 35. North wind 10 to 15 mph.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all rain after 1am. Some thunder is also possible. Low around 34. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and possibly a thunderstorm before 10am, then rain between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 59. East wind around 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 41. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 61. West wind around 10 mph becoming east in the afternoon.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 10 to 15 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. South wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 35. North wind 10 to 15 mph.
Wednesday
A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
Rain, possibly mixed with snow, becoming all rain after 1am. Some thunder is also possible. Low around 34. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Rain and possibly a thunderstorm before 10am, then rain between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 59. East wind around 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 41. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 61. West wind around 10 mph becoming east in the afternoon.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Saturday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 54.
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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:
9:28 pm CDT Mar 30, 2026
Forecast Valid:
10pm CDT Mar 30, 2026-6pm CDT Apr 6, 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