Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. 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

6 Miles WSW Edgerton WI

  • Today

    Today: Mostly sunny, with a high near 84. North wind around 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northeast wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming north around 5 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 82. South wind around 5 mph.  Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 84. North wind around 10 mph.
Tonight
Mostly clear, with a low around 60. Northeast wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 85. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly clear, with a low around 62. West wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. South wind around 5 mph. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Edgerton WI
 42.83°N 89.17°W (Elev. 827 ft)
2:41 am CDT Jul 28, 2026
5am CDT Jul 28, 2026-6pm CDT Aug 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database