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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

N/A

Humidity NA
Wind Speed S 9 G 16 mph
Barometer 30.08 in
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Oct 10:35 am CDT
Extended Forecast for

Jefferson WI

  • Today

    Today: Sunny, with a high near 80. South wind around 15 mph, with gusts as high as 30 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. South wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. South wind around 5 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 61. South wind around 5 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 81. Southwest wind around 10 mph.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind around 5 mph becoming east in the evening.

    Low: 57 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. North wind 5 to 10 mph.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. North wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 80. South wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 54. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 80. South wind around 5 mph.
Sunday Night
Increasing clouds, with a low around 61. South wind around 5 mph.
Columbus Day
Partly sunny, with a high near 81. Southwest wind around 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind around 5 mph becoming east in the evening.
Tuesday
Partly sunny, with a high near 67. North wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 47. North wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 45.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson WI
 43.01°N 88.81°W (Elev. 833 ft)
Last Update:
9:31 am CDT Oct 10, 2026
Forecast Valid:
10am CDT Oct 10, 2026-6pm CDT Oct 16, 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