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.

Fair

63°F

17°C

Humidity 37%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 14 May 11:45 am CDT
Extended Forecast for

5 Miles W Edgerton WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. South wind 5 to 10 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 1am. Increasing clouds, with a low around 51. South wind 5 to 10 mph.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 57. South wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy.

    High: 85 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 71. South wind 5 to 10 mph.
Tonight
A 40 percent chance of showers, mainly after 1am. Increasing clouds, with a low around 51. South wind 5 to 10 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 57. South wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 15 mph, with gusts as high as 25 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
Showers likely. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Edgerton WI
 42.85°N 89.17°W (Elev. 830 ft)
Last Update:
11:41 am CDT May 14, 2026
Forecast Valid:
12pm CDT May 14, 2026-6pm CDT May 20, 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