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

48°F

9°C

Humidity 87%
Wind Speed Calm
Barometer 29.73 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 9 Mar 10:55 pm CDT
Extended Forecast for

5 Miles W Edgerton WI

  • Tonight

    Tonight: Mostly clear, with a low around 40. Calm wind becoming northeast around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 51. Northeast wind 10 to 15 mph.

    High: 51 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then rain likely after 1am. Low around 33. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Showers

  • Wednesday

    Wednesday: A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of snow after 1pm. Cloudy, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 40 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Northwest wind 5 to 10 mph.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 45. West wind 5 to 15 mph becoming southwest in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain. Low around 34. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain and
    Breezy

  • Friday

    Friday: A slight chance of rain and snow before 1pm. Partly sunny, with a high near 46. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 51. Northeast wind 10 to 15 mph.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then rain likely after 1am. Low around 33. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of snow after 1pm. Cloudy, with a high near 40. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 24. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 45. West wind 5 to 15 mph becoming southwest in the afternoon.
Thursday Night
Rain. Low around 34. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of rain and snow before 1pm. Partly sunny, with a high near 46. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
Saturday
A chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 30%.
Saturday Night
Rain and snow likely. Cloudy, with a low around 31. Chance of precipitation is 70%.
Sunday
Rain and snow likely. Cloudy, with a high near 39. Breezy. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 28.
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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:
10:34 pm CDT Mar 9, 2026
Forecast Valid:
11pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation