Heavy Rains Expected to Impact Parts of the Eastern U.S.

A strong cold front will produce heavy rain will create mainly localized areas of flash flooding to the Great Lakes and Ohio Valley. There is another flash flood threat in the parts of the Southeast and Southern Appalachians.
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Chicago, IL Local Forecast Office

Evanston IL

Marine Point Forecast

[NOTICE]
  • Overnight

    Thunderstorms

    SSW 10kt
    1ft

    Low: 70 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday

    Showers Likely

    N 15kt
    1-2ft

    High: 68 °FFalling Temperatures

  • Tuesday
    Night

    Chance Showers

    NNE 25kt
    Waves Building7ft

    Low: 59 °F

  • Wednesday

    Slight Chc Showers

    N 25kt
    8-9ft

    High: 64 °F

  • Wednesday
    Night

    Chance Showers

    N 25kt
    8-9ft

    Low: 55 °F

  • Thursday

    Chance Showers

    NNW 20kt
    5-7ft

    High: 63 °F

  • Thursday
    Night

    Slight Chc Showers

    NW 10kt
    2-4ft

    Low: 55 °F

  • Friday

    Mostly Sunny

    SW 15kt
    1-2ft

    High: 73 °F

  • Friday
    Night

    Chance Showers

    W 15kt
    < 1ft

    Low: 55 °F


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:55 am CDT Sep 21, 2021
Forecast Valid: 4am CDT Sep 21, 2021-6pm CDT Sep 27, 2021

View Nearby Observations

Detailed Forecast

Overnight
SSW wind around 10 kt, with gusts as high as 15 kt. Showers and possibly a thunderstorm. Waves around 1 ft.
Tuesday
NW wind around 15 kt becoming N in the afternoon. Winds could gust as high as 20 kt. Showers and thunderstorms likely before 1pm, then a slight chance of showers after 4pm. Waves 1 to 2 ft.
Tuesday Night
NNE wind 20 to 25 kt, with gusts as high as 35 kt. A chance of showers, mainly after 7pm. Waves 3 ft building to 7 ft.
Wednesday
N wind around 25 kt, with gusts as high as 35 kt. A slight chance of showers before 1pm. Waves 8 to 9 ft. occasionally to 12ft.
Wednesday Night
N wind 20 to 25 kt, with gusts as high as 35 kt. A chance of showers, mainly after 1am. Waves 8 to 9 ft. occasionally to 12ft.
Thursday
NNW wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers. Waves 5 to 7 ft. occasionally to 9ft.
Thursday Night
NW wind around 10 kt becoming WSW after midnight. Winds could gust as high as 20 kt. A slight chance of showers before 1am. Waves 2 to 4 ft.
Friday
SW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 to 2 ft.
Friday Night
W wind 10 to 15 kt. A chance of showers. Waves 1 ft or less.

*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: 42.05°N 87.66°W
Last Update: 2:55 am CDT Sep 21, 2021
Forecast Valid: 4am CDT Sep 21, 2021-6pm CDT Sep 27, 2021
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