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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Sheboygan County Memorial Airport (KSBM)

Lat: 43.77°NLon: 87.85°WElev: 738ft.

Light Rain

59°F

15°C

Humidity 96%
Wind Speed NE 10 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 10:53 pm CDT
Extended Forecast for

Sheboygan WI

Flood Watch September 19, 01:00am until September 19, 01:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 58. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 64. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Cloudy, with a low around 57. East wind around 10 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 65. Windy, with a northeast wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 65 °F

    Gradual
    Clearing and
    Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 65. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 65 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 58. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 64. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Cloudy, with a low around 57. East wind around 10 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 65. Windy, with a northeast wind 15 to 25 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 53. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, with a high near 65. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 51. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 65. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sheboygan WI
 43.75°N 87.72°W (Elev. 600 ft)
Last Update:
9:52 pm CDT Sep 18, 2026
Forecast Valid:
11pm CDT Sep 18, 2026-6pm CDT Sep 25, 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