Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 74 °F
NE 10kt
< 1ft
Tonight
Low: 65 °F
NE 10kt
< 1ft
Friday
High: 74 °F
Light Wind
< 1ft
Friday Night
Low: 68 °F
Light Wind
< 1ft
Saturday
High: 83 °F
SW 10kt
< 1ft
Saturday Night
Low: 68 °F
NNW 10kt
< 1ft
Sunday
High: 73 °F
N 10kt
< 1ft
Sunday Night
Low: 66 °F
NNE 15kt
1-2ft
Monday
High: 80 °F
SE 15kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm CDT Sep 10, 2026
Forecast Valid: 1pm CDT Sep 10, 2026-6pm CDT Sep 16, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

NE wind 5 to 10 kt becoming SE after midnight. Mostly clear. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

W wind 5 to 10 kt becoming NNW after midnight. Partly cloudy. Waves 1 ft or less.

Sunday

N wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

NNE wind 10 to 15 kt. Mostly cloudy. Waves 1 to 2 ft.

Monday

SE wind 10 to 15 kt. Partly sunny. 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.