National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

65°F

18°C

Humidity 83%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Jul 7:15 am CDT
Extended Forecast for

Mukwonago WI

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. Calm wind becoming west around 5 mph after midnight.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. Heat index values as high as 96. West wind 5 to 10 mph.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 70. West wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. West wind around 5 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. West wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Northwest wind 5 to 10 mph becoming north in the afternoon.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. East wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Clear, with a low around 65. Calm wind becoming west around 5 mph after midnight.
Monday
Sunny and hot, with a high near 92. Heat index values as high as 96. West wind 5 to 10 mph.
Monday Night
Clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 96. West wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 71. West wind around 5 mph.
Wednesday
Sunny and hot, with a high near 92. Northwest wind 5 to 10 mph becoming north in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 90.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.34°W (Elev. 791 ft)
Last Update:
6:31 am CDT Jul 12, 2026
Forecast Valid:
7am CDT Jul 12, 2026-6pm CDT Jul 18, 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