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

59°F

15°C

Humidity 82%
Wind Speed NW 5 mph
Barometer 30.01 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 22 Aug 11:15 pm CDT
Extended Forecast for

4 Miles NNE Edgerton WI

  • Tonight

    Tonight: Clear, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Northwest wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 62. South wind 5 to 10 mph.

    Low: 62 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. West wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 53. North wind around 5 mph.
Sunday
Sunny, with a high near 75. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 55. Calm wind.
Tuesday
Mostly sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 62. South wind 5 to 10 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. West wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Edgerton WI
 42.89°N 89.02°W (Elev. 879 ft)
Last Update:
10:32 pm CDT Aug 22, 2026
Forecast Valid:
11pm CDT Aug 22, 2026-6pm CDT Aug 29, 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