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 >

For More Weather Information:

Chicago, IL Local Forecast Office

12NM S Kenosha WI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ESE wind around 15 kt. A slight chance of showers, then showers and thunderstorms likely after midnight.   Waves 3 to 4 ft.

      Low: 61 °F

      ESE 15kt
      3-4ft

    • Saturday

      Saturday:SE wind 10 to 15 kt. Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall.   Waves 2 to 4 ft.

      High: 72 °F

      SE 15kt
      2-4ft

    • Saturday Night

      Saturday Night:ESE wind around 10 kt becoming N after midnight. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall.   Waves 1 to 2 ft.

      Low: 62 °F

      N 10kt
      1-2ft

    • Sunday

      Sunday:NE wind 15 to 20 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers.   Waves 3 to 5 ft.

      High: 67 °F

      NE 20kt
      3-5ft

    • Sunday Night

      Sunday Night:ENE wind around 20 kt. A chance of showers, mainly after 1am.   Waves around 4 ft.

      Low: 56 °F

      ENE 20kt
      4ft

    • Monday

      Monday:ENE wind around 20 kt, with gusts as high as 25 kt. A chance of showers.   Waves 4 to 5 ft.

      High: 64 °F

      ENE 20kt
      4-5ft

    • Monday Night

      Monday Night:ENE wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers after 1am.   Waves 4 to 5 ft.

      Low: 53 °F

      ENE 15kt
      4-5ft

    • Tuesday

      Tuesday:ENE wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves around 4 ft.

      High: 63 °F

      ENE 15kt
      4ft

    • Tuesday Night

      Tuesday Night:NE wind 5 to 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 3 to 4 ft.

      Low: 53 °F

      NE 10kt
      3-4ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:51 pm CDT Sep 18, 2026
Forecast Valid: 11pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Overnight
ESE wind around 15 kt. A slight chance of showers, then showers and thunderstorms likely after midnight. Waves 3 to 4 ft.
Saturday
SE wind 10 to 15 kt. Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Waves 2 to 4 ft.
Saturday Night
ESE wind around 10 kt becoming N after midnight. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Waves 1 to 2 ft.
Sunday
NE wind 15 to 20 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Waves 3 to 5 ft.
Sunday Night
ENE wind around 20 kt. A chance of showers, mainly after 1am. Waves around 4 ft.
Monday
ENE wind around 20 kt, with gusts as high as 25 kt. A chance of showers. Waves 4 to 5 ft.
Monday Night
ENE wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers after 1am. Waves 4 to 5 ft.
Tuesday
ENE wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves around 4 ft.
Tuesday Night
NE wind 5 to 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 3 to 4 ft.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 42.39°N 87.82°W
Last Update: 9:51 pm CDT Sep 18, 2026
Forecast Valid: 11pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
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