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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

59°F

15°C

Humidity 70%
Wind Speed NW 15 mph
Barometer 30.16 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Oct 9:35 am CDT
Extended Forecast for

Mukwonago WI

  • Today

    Today: Sunny, with a high near 66. Northwest wind around 10 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 40. Northwest wind around 5 mph becoming calm after midnight.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. Calm wind becoming northwest around 5 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Calm wind becoming south around 5 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Southwest wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. West wind 5 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Northwest wind around 10 mph.
Tonight
Clear, with a low around 40. Northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 62. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly clear, with a low around 43. Calm wind becoming south around 5 mph after midnight.
Tuesday
Sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 51. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 69. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.31°W (Elev. 787 ft)
Last Update:
9:40 am CDT Oct 4, 2026
Forecast Valid:
10am CDT Oct 4, 2026-6pm CDT Oct 10, 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