Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles W Edgerton WI

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly after 4am.  Partly cloudy, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly between 8am and noon.  Patchy fog before 7am.  Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 99. Southwest wind 10 to 15 mph.

    High: 90 °F

    Chance
    T-storms and
    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 8pm and 9pm.  Increasing clouds, with a low around 66. Northwest wind around 10 mph becoming north after midnight.  Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. North wind around 10 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Monday
A 50 percent chance of showers and thunderstorms, mainly between 8am and noon. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 99. Southwest wind 10 to 15 mph.
Monday Night
A slight chance of showers between 8pm and 9pm. Increasing clouds, with a low around 66. Northwest wind around 10 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 82. North wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. Calm wind.
Thursday
Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Edgerton WI
 42.85°N 89.17°W (Elev. 830 ft)
12:31 am CDT Jul 27, 2026
1am CDT Jul 27, 2026-6pm CDT Aug 2, 2026
 
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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