Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains 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 50%
Wind Speed NW 5 mph
Barometer 30.05 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Sep 1:15 pm CDT
Extended Forecast for

Mukwonago WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southeast wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. West wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Calm wind becoming north around 5 mph in the morning.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm.

    Low: 54 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Calm wind becoming northwest around 5 mph.
Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 54. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 59. Southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 80. West wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 74. Calm wind becoming north around 5 mph in the morning.
Sunday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 54. North wind around 5 mph becoming calm.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 75.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Mukwonago WI
 42.86°N 88.34°W (Elev. 791 ft)
1:21 pm CDT Sep 10, 2026
1pm CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database