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

Hazardous Weather Conditions

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Overcast

48°F

9°C

Humidity 65%
Wind Speed E 6 mph
Barometer 30.20 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 22 May 2:55 am CDT
Extended Forecast for

Jefferson WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. East wind around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. East wind 10 to 15 mph.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 72. East wind around 5 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51. East wind around 5 mph becoming calm.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. East wind around 5 mph.
Friday
Partly sunny, with a high near 65. East wind 10 to 15 mph.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 72. East wind around 5 mph.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51. East wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 52. Calm wind.
Memorial Day
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
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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:
2:57 am CDT May 22, 2026
Forecast Valid:
3am CDT May 22, 2026-6pm CDT May 28, 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