Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

52°F

11°C

Humidity 54%
Wind Speed SE 6 mph
Barometer 29.93 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 23 Apr 1:35 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Overnight

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am.  Low around 59. South wind around 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 70. South wind 10 to 15 mph becoming west in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm.  Mostly clear, with a low around 45. Northwest wind 5 to 10 mph.

    Low: 45 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66. North wind 5 to 10 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. East wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. East wind 5 to 15 mph.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 59. South wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. South wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 45. Northwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 66. North wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 44. East wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 66. East wind 5 to 15 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Monday
Showers and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 80%.
Monday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
1:41 am CDT Apr 23, 2026
1am CDT Apr 23, 2026-6pm CDT Apr 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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