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.

Fog

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 57°F (14°C)
Visibility 0.15 mi
Last update 25 Jun 4:10 am CDT
Extended Forecast for

Edgerton WI

  • Today

    Today: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 76. Northwest wind 5 to 10 mph.

    High: 76 °F

    Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 74. East wind 5 to 10 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Southeast wind 10 to 15 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South wind 10 to 15 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

Today
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 76. Northwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 54. North wind around 5 mph becoming calm after midnight.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 74. East wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 79. East wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62. East wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Southeast wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 73. South wind 10 to 15 mph.
Monday
Mostly sunny and hot, with a high near 92.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny and hot, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgerton WI
 42.84°N 89.06°W (Elev. 892 ft)
Last Update:
3:32 am CDT Jun 25, 2026
Forecast Valid:
4am CDT Jun 25, 2026-6pm CDT Jul 1, 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