Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 64 °F
Light Wind
< 1ft
Wednesday
High: 78 °F
SSW 10kt
< 1ft
Wednesday Night
Low: 64 °F
SSE 10kt
< 1ft
Thursday
High: 75 °F
Light Wind
< 1ft
Thursday Night
Low: 63 °F
Light Wind
< 1ft
Friday
High: 71 °F
NNE 10kt
< 1ft
Friday Night
Low: 64 °F
NNE 10kt
1ft
Saturday
High: 74 °F
ENE 10kt
1ft
Saturday Night
Low: 68 °F
E 10kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:16 pm CDT Jun 23, 2026
Forecast Valid: 11pm CDT Jun 23, 2026-6pm CDT Jun 30, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Wednesday

SSW wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Waves 1 ft or less.

Wednesday Night

SSE wind 5 to 10 kt becoming WSW after midnight. Showers and thunderstorms likely, mainly before 10pm. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. A slight chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Friday

NNE wind 5 to 10 kt. A chance of showers, mainly before 1pm. Waves 1 ft or less.

Friday Night

NNE wind 5 to 10 kt. A chance of showers before 1am. Waves around 1 ft.

Saturday

ENE wind 5 to 10 kt. Mostly sunny. Waves around 1 ft.

Saturday Night

E wind 5 to 10 kt becoming SE after midnight. A chance of showers. Waves around 1 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.