Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 80 °F
S 10kt
< 1ft
Tonight
Low: 71 °F
S 15kt
< 1ft
Sunday
High: 86 °F
SSW 15kt
1ft
Sunday Night
Low: 74 °F
SSW 10kt
< 1ft
Monday
High: 88 °F
SSW 10kt
< 1ft
Monday Night
Low: 76 °F
SSW 10kt
< 1ft
Tuesday
High: 89 °F
Light Wind
< 1ft
Tuesday Night
Low: 77 °F
Light Wind
< 1ft
Wednesday
High: 89 °F
SW 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: 10:34 am CDT Aug 29, 2026
Forecast Valid: 1pm CDT Aug 29, 2026-6pm CDT Sep 4, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 10 kt, with gusts as high as 20 kt. A slight chance of sprinkles after 5pm. Waves 1 ft or less.

Tonight

S wind 10 to 15 kt. A slight chance of sprinkles before 8pm, then a slight chance of showers after 4am. Waves 1 ft or less.

Sunday

SSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and noon. Waves around 1 ft.

Sunday Night

SSW wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 1 ft or less.

Monday

SSW wind around 10 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 ft or less.

Monday Night

SSW wind around 10 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. Mostly sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

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

*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.