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.

Overcast

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Aug 7:45 pm CDT
Extended Forecast for

Edgerton WISimilar City Names

  • Tonight

    Tonight: A chance of rain and thunderstorms before midnight, then a chance of showers and thunderstorms between midnight and 4am, then a slight chance of showers after 4am. Cloudy, with a low around 70. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers between 7am and 8am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Calm wind becoming southwest around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 76. North wind 5 to 10 mph.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and thunderstorms before midnight, then a chance of showers and thunderstorms between midnight and 4am, then a slight chance of showers after 4am. Cloudy, with a low around 70. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A slight chance of showers between 7am and 8am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 61. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 76. North wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgerton WISimilar City Names
 42.84°N 89.08°W (Elev. 866 ft)
Last Update:
6:01 pm CDT Aug 15, 2026
Forecast Valid:
8pm CDT Aug 15, 2026-6pm CDT Aug 22, 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