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

For More Weather Information:

Chicago, IL Local Forecast Office

6NM SSE Evanston IL

Marine Point Forecast

[NOTICE]

Today
High: 68 °F
NE 20kt
5-7ft
Tonight
Low: 58 °F
ENE 20kt
7ft
Monday
High: 66 °F
ENE 20kt
7ft
Monday Night
Low: 56 °F
ENE 20kt
6-7ft
Tuesday
High: 64 °F
NE 20kt
6-7ft
Tuesday Night
Low: 55 °F
NE 20kt
5-6ft
Wednesday
High: 64 °F
NE 15kt
5ft
Wednesday Night
Low: 56 °F
ENE 10kt
3-5ft
Thursday
High: 64 °F
ENE 10kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:21 am CDT Sep 20, 2026
Forecast Valid: 11am CDT Sep 20, 2026-6pm CDT Sep 26, 2026

View Nearby Observations

Detailed Forecast

Today

NE wind 15 to 20 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm before 4pm, then showers likely. Waves 5 to 7 ft. occasionally to 9ft.

Tonight

ENE wind around 20 kt. A chance of showers, mainly after 5am. Waves around 7 ft.

Monday

ENE wind around 20 kt. A chance of showers, mainly before 9am. Waves around 7 ft.

Monday Night

ENE wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of showers after 1am. Waves 6 to 7 ft. occasionally to 9ft.

Tuesday

NE wind 15 to 20 kt. Mostly cloudy. Waves 6 to 7 ft. occasionally to 9ft.

Tuesday Night

NE wind 15 to 20 kt. Mostly cloudy. Waves 5 to 6 ft. occasionally to 8ft.

Wednesday

NE wind around 15 kt. Partly sunny. Waves around 5 ft.

Wednesday Night

ENE wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 3 to 5 ft.

Thursday

ENE wind around 10 kt. Partly sunny. Waves 2 to 3 ft.

*Notices:

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.
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.