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

63°F

17°C

Humidity 39%
Wind Speed NW 7 mph
Barometer 30.25 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 2 Oct 2:35 pm CDT
Extended Forecast for

3 Miles SW Sullivan WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. North wind around 10 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. South wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. West wind 5 to 10 mph becoming northwest in the afternoon.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. North wind around 10 mph.
Tonight
Patchy fog after 3am. Otherwise, clear, with a low around 39. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 47. South wind around 5 mph.
Sunday
Sunny, with a high near 68. West wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
Clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 63. Calm wind.
Monday Night
Clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Sullivan WI
 42.98°N 88.63°W (Elev. 840 ft)
Last Update:
2:36 pm CDT Oct 2, 2026
Forecast Valid:
2pm CDT Oct 2, 2026-6pm CDT Oct 8, 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