Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 75 °F
ESE 10kt
< 1ft
Tonight
Low: 66 °F
SSW 10kt
< 1ft
Saturday
High: 80 °F
SSW 10kt
< 1ft
Saturday Night
Low: 73 °F
SW 10kt
< 1ft
Sunday
High: 87 °F
SW 10kt
< 1ft
Sunday Night
Low: 77 °F
SW 10kt
< 1ft
Monday
High: 89 °F
SW 10kt
< 1ft
Monday Night
Low: 76 °F
WSW 10kt
1ft
Tuesday
High: 82 °F
NNE 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:41 am CDT Jul 24, 2026
Forecast Valid: 11am CDT Jul 24, 2026-6pm CDT Jul 30, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Tonight

SSW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind 5 to 10 kt. Mostly cloudy, then becoming sunny during the afternoon. Waves 1 ft or less.

Saturday Night

SW wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

SW wind 5 to 10 kt. A slight chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Sunday Night

SW wind 5 to 10 kt. A slight chance of showers and thunderstorms. Waves 1 ft or less.

Monday

SW wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms. Waves 1 ft or less.

Monday Night

WSW wind around 10 kt becoming NW after midnight. Winds could gust as high as 15 kt. Partly cloudy. Waves around 1 ft.

Tuesday

NNE wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 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.