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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Sheboygan County Memorial Airport (KSBM)

Lat: 43.77°NLon: 87.85°WElev: 738ft.

A Few Clouds

57°F

14°C

Humidity 93%
Wind Speed N 6 mph
Barometer 30.30 in (1026.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 4:53 am CDT
Extended Forecast for

Sheboygan WI

  • Today

    Today: A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 66. Northeast wind around 10 mph.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 1am. Low around 53. Northeast wind 10 to 15 mph becoming southeast after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then showers likely. High near 66. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Breezy.
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Cloudy, with a low around 54. Northeast wind 10 to 15 mph.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 67 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Mostly Cloudy
    and Breezy
    then Cloudy

  • Monday

    Monday: A 20 percent chance of showers. Mostly cloudy, with a high near 63. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Slight Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63. Breezy.

    High: 63 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 66. Northeast wind around 10 mph.
Tonight
Showers, with thunderstorms also possible after 1am. Low around 53. Northeast wind 10 to 15 mph becoming southeast after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and possibly a thunderstorm before noon, then showers likely. High near 66. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
A 50 percent chance of showers. Cloudy, with a low around 54. Northeast wind 10 to 15 mph.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 51. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 63. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 63. Breezy.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sheboygan WI
 43.73°N 87.72°W (Elev. 620 ft)
Last Update:
4:36 am CDT Sep 18, 2026
Forecast Valid:
5am CDT Sep 18, 2026-6pm CDT Sep 24, 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