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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

64°F

18°C

Humidity 28%
Wind Speed W 10 mph
Barometer 30.13 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 9 Apr 4:45 pm CDT
Extended Forecast for

Edgerton WI

  • Tonight

    Tonight: Showers. Low around 41. West wind 5 to 10 mph becoming northeast in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 52. Northwest wind around 10 mph.

    High: 52 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. North wind around 5 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 57. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 57 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 61 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Southwest wind around 15 mph.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers. Low around 41. West wind 5 to 10 mph becoming northeast in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 52. Northwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 34. North wind around 5 mph becoming calm after midnight.
Saturday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 57. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Southwest wind around 15 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edgerton WI
 42.84°N 89.06°W (Elev. 892 ft)
Last Update:
2:36 pm CDT Apr 9, 2026
Forecast Valid:
4pm CDT Apr 9, 2026-6pm CDT Apr 16, 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