National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

52°F

11°C

Humidity 77%
Wind Speed NW 8 mph
Barometer 30.01 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 9 Apr 2:10 am CDT
Extended Forecast for

2 Miles SW Avalon WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then scattered showers. Low around 45. West wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: Increasing clouds, with a high near 62. West wind around 10 mph.

    High: 62 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers. Low around 42. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 42 °F

    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 57. Southeast wind 5 to 10 mph.

    High: 57 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 10pm. Mostly cloudy, with a low around 47. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Windy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 60. Breezy. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then scattered showers. Low around 45. West wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 62. West wind around 10 mph.
Thursday Night
Showers. Low around 42. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 55. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 33. North wind around 5 mph becoming calm in the evening.
Saturday
Increasing clouds, with a high near 57. Southeast wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 10pm. Mostly cloudy, with a low around 47. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Windy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 60. Breezy. Chance of precipitation is 70%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Avalon WI
 42.64°N 88.86°W (Elev. 991 ft)
Last Update:
1:21 am CDT Apr 9, 2026
Forecast Valid:
2am CDT Apr 9, 2026-6pm CDT Apr 15, 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