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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

79°F

26°C

Humidity 65%
Wind Speed S 16 G 22 mph
Barometer 29.70 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Apr 3:45 pm CDT
Extended Forecast for

5 Miles SSW Janesville WI

Tornado Watch until April 14, 10:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until April 14, 10:00pm

    NOW until 10:00pm Tue

    Tornado Watch

  • This Afternoon

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Low around 61. Southwest wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 73. Southwest wind 5 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 56. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 7am. Cloudy, then gradually becoming mostly sunny, with a high near 70. West wind around 10 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 10%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 48. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind around 15 mph.
Tonight
Showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Low around 61. Southwest wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 73. Southwest wind 5 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 56. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 7am. Cloudy, then gradually becoming mostly sunny, with a high near 70. West wind around 10 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 10%.
Friday
Partly sunny, with a high near 77. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 48. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 66.
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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:
3:33 pm CDT Apr 14, 2026
Forecast Valid:
4pm CDT Apr 14, 2026-6pm CDT Apr 21, 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