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

14NM NNW Evanston IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 66 °F
Light Wind
1-2ft
Tonight
Low: 67 °F
NNE 10kt
< 1ft
Sunday
High: 66 °F
NE 20kt
6ft
Sunday Night
Low: 57 °F
ENE 20kt
6ft
Monday
High: 64 °F
ENE 20kt
6-7ft
Monday Night
Low: 55 °F
ENE 20kt
6-7ft
Tuesday
High: 63 °F
ENE 20kt
6-7ft
Tuesday Night
Low: 55 °F
ENE 15kt
5-6ft
Wednesday
High: 63 °F
NE 10kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:46 pm CDT Sep 19, 2026
Forecast Valid: 2pm CDT Sep 19, 2026-6pm CDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Waves 1 to 2 ft.

Tonight

E wind 5 to 10 kt becoming W after midnight. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday

NE wind 15 to 20 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers. Waves 3 ft building to 6 ft.

Sunday Night

ENE wind around 20 kt, with gusts as high as 25 kt. A slight chance of showers before 7pm. Waves around 6 ft.

Monday

ENE wind around 20 kt. A chance of showers before 1pm. Waves 6 to 7 ft. occasionally to 9ft.

Monday Night

ENE wind 15 to 20 kt. A slight chance of showers after 1am. Waves 6 to 7 ft. occasionally to 9ft.

Tuesday

ENE wind 15 to 20 kt. A slight chance of showers. Waves 6 to 7 ft. occasionally to 9ft.

Tuesday Night

ENE wind 10 to 15 kt. Mostly cloudy. Waves 5 to 6 ft. occasionally to 8ft.

Wednesday

NE wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves around 5 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.