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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

70°F

21°C

Humidity 60%
Wind Speed NW 13 mph
Barometer 29.81 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 12:45 pm 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

  • This Afternoon

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 53. Calm wind becoming southeast around 5 mph after midnight.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Patchy Fog
    then Severe
    Thunderstorms
    and Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 39. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 39 °F

    Severe
    Thunderstorms
    and Breezy
    then Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. Northwest wind around 10 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 53. Calm wind becoming southeast around 5 mph after midnight.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 39. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 69.
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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:
12:51 pm CDT Apr 16, 2026
Forecast Valid:
1pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation