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Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

64°F

18°C

Humidity 67%
Wind Speed W 3 mph
Barometer 29.84 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 7 Oct 9:55 am CDT
Extended Forecast for

Mukwonago WI

  • Today

    Today: Sunny, with a high near 72. West wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Northwest wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 69. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Southeast wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. South wind 10 to 15 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 48. West wind around 5 mph.
Thursday
Sunny, with a high near 66. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 69. Light south wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. Southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 78. South wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 59. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 54.
Columbus Day
Mostly sunny, with a high near 72.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 63.
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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:
8:46 am CDT Oct 7, 2026
Forecast Valid:
10am CDT Oct 7, 2026-6pm CDT Oct 13, 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