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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

34°F

1°C

Humidity 81%
Wind Speed SE 12 mph
Barometer 30.23 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 8 Apr 4:10 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: Scattered showers, mainly after 5am. Cloudy, with a low around 31. Southeast wind around 15 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.

    High: 67 °F

    Scattered
    Showers and
    Breezy then
    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 3am, then a chance of showers between 3am and 4am. Low around 44. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Increasing clouds, with a high near 60. West wind around 10 mph.

    High: 60 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers. Low around 41. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 55. Northeast wind 5 to 10 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 60. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 60 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers, mainly after 5am. Cloudy, with a low around 31. Southeast wind around 15 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and possibly a thunderstorm before 3am, then a chance of showers between 3am and 4am. Low around 44. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Increasing clouds, with a high near 60. West wind around 10 mph.
Thursday Night
Showers. Low around 41. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 55. Northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 34. North wind around 5 mph becoming calm in the evening.
Saturday
Increasing clouds, with a high near 60. Light east wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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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:
3:57 am CDT Apr 8, 2026
Forecast Valid:
4am CDT Apr 8, 2026-6pm CDT Apr 14, 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