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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. Read More >

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

51°F

11°C

Humidity 97%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 24 Sep 6:15 am CDT
Extended Forecast for

2 Miles SSW Sullivan WI

  • Today

    Today: Mostly sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. East wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon.

    High: 67 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. East wind around 5 mph becoming calm.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Calm wind becoming east around 5 mph in the morning.
Tonight
Mostly cloudy, with a low around 56. East wind around 5 mph becoming calm in the evening.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 49. East wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 69.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Sullivan WI
 42.98°N 88.6°W (Elev. 820 ft)
Last Update:
6:26 am CDT Sep 24, 2026
Forecast Valid:
6am CDT Sep 24, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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