Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 60 °F
N 10kt
2ft

Small Craft Advisory
Tuesday
High: 68 °F
NNE 10kt
1-2ft
Tuesday Night
Low: 61 °F
Light Wind
< 1ft
Wednesday
High: 78 °F
S 10kt
< 1ft
Wednesday Night
Low: 64 °F
Light Wind
< 1ft
Thursday
High: 73 °F
Light Wind
< 1ft
Thursday Night
Low: 62 °F
Light Wind
< 1ft
Friday
High: 69 °F
NE 10kt
< 1ft
Friday Night
Low: 63 °F
ENE 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: 9:36 pm CDT Jun 22, 2026
Forecast Valid: 11pm CDT Jun 22, 2026-6pm CDT Jun 29, 2026

View Nearby Observations

Detailed Forecast

Overnight

N wind around 10 kt. Mostly clear. Waves around 2 ft.

Tuesday

NNE wind 5 to 10 kt. Sunny. Waves 1 to 2 ft.

Tuesday Night

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

Wednesday

S wind 5 to 10 kt. Showers likely and possibly a thunderstorm, mainly after 4pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 1am. 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, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Thursday Night

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

Friday

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

Friday Night

ENE wind 5 to 10 kt. 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.