Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

74°F

23°C

Humidity 67%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 3 Aug 11:35 am CDT
Extended Forecast for

Jefferson WISimilar City Names

  • Today

    Today: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 62. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 77. Calm wind becoming north around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Calm wind.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming north around 5 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 58. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 50%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming north around 5 mph.
Thursday Night
Mostly clear, with a low around 57. Calm wind.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 65.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson WISimilar City Names
 43.01°N 88.81°W (Elev. 833 ft)
11:32 am CDT Aug 3, 2026
11am CDT Aug 3, 2026-6pm CDT Aug 9, 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