Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

For More Weather Information:

Chicago, IL Local Forecast Office

15NM NNW Evanston IL

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:Variable winds 5 kt or less. A slight chance of showers.   Waves 1 ft or less.

      High: 68 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:SW wind 5 to 15 kt becoming NW after midnight. Winds could gust as high as 20 kt. Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am.   Waves 1 ft or less.

      Low: 51 °F

      NW 15kt
      < 1ft

    • Sunday

      Sunday:NW wind around 20 kt, with gusts as high as 30 kt. Showers, mainly before 1pm.   Waves 2 to 3 ft.

      High: 58 °F

      NW 20kt
      2-3ft

      Gale Warning
      Gale Warning

    • Sunday Night

      Sunday Night:W wind 10 to 15 kt. Mostly clear. Waves 1 to 2 ft.

      Low: 44 °F

      W 15kt
      1-2ft

    • Monday

      Monday:WSW wind 5 to 15 kt becoming S in the afternoon. Winds could gust as high as 25 kt. Sunny. Waves 1 to 2 ft.

      High: 64 °F

      S 15kt
      1-2ft

    • Monday Night

      Monday Night:S wind around 15 kt becoming W after midnight. Winds could gust as high as 25 kt. Showers likely.   Waves 1 to 2 ft.

      Low: 50 °F

      S 15kt
      1-2ft

    • Tuesday

      Tuesday:W wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers after 1pm.   Waves around 1 ft.

      High: 56 °F

      W 20kt
      1ft

    • Tuesday Night

      Tuesday Night:W wind around 20 kt, with gusts as high as 30 kt. A chance of showers.   Waves around 1 ft.

      Low: 44 °F

      W 20kt
      1ft

    • Wednesday

      Wednesday:WNW wind 15 to 20 kt. Partly sunny. Waves around 1 ft.

      High: 52 °F

      WNW 20kt
      1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:06 pm CDT Oct 18, 2025
Forecast Valid: 5pm CDT Oct 18, 2025-6pm CDT Oct 25, 2025

View Nearby Observations

Detailed Forecast

Late Afternoon
Variable winds 5 kt or less. A slight chance of showers. Waves 1 ft or less.
Tonight
SW wind 5 to 15 kt becoming NW after midnight. Winds could gust as high as 20 kt. Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Waves 1 ft or less.
Sunday
NW wind around 20 kt, with gusts as high as 30 kt. Showers, mainly before 1pm. Waves 2 to 3 ft.
Sunday Night
W wind 10 to 15 kt. Mostly clear. Waves 1 to 2 ft.
Monday
WSW wind 5 to 15 kt becoming S in the afternoon. Winds could gust as high as 25 kt. Sunny. Waves 1 to 2 ft.
Monday Night
S wind around 15 kt becoming W after midnight. Winds could gust as high as 25 kt. Showers likely. Waves 1 to 2 ft.
Tuesday
W wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers after 1pm. Waves around 1 ft.
Tuesday Night
W wind around 20 kt, with gusts as high as 30 kt. A chance of showers. Waves around 1 ft.
Wednesday
WNW wind 15 to 20 kt. Partly sunny. Waves around 1 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: 42.28°N 87.82°W
Last Update: 4:06 pm CDT Oct 18, 2025
Forecast Valid: 5pm CDT Oct 18, 2025-6pm CDT Oct 25, 2025
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