Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Tonight
Low: 59 °F
ENE 20kt
5ft

Small Craft Advisory
Monday
High: 63 °F
N 15kt
3-4ft

Small Craft Advisory
Monday Night
Low: 58 °F
N 15kt
2-3ft

Small Craft Advisory
Tuesday
High: 66 °F
Light Wind
1-2ft
Tuesday Night
Low: 60 °F
Light Wind
< 1ft
Wednesday
High: 77 °F
S 10kt
< 1ft
Wednesday Night
Low: 63 °F
Light Wind
< 1ft
Thursday
High: 73 °F
Light Wind
< 1ft
Thursday Night
Low: 62 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:36 pm CDT Jun 21, 2026
Forecast Valid: 7pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026

View Nearby Observations

Detailed Forecast

Tonight

ENE wind 15 to 20 kt, with gusts as high as 25 kt. Rain, mainly before 3am. Waves 2 ft building to 5 ft.

Monday

N wind around 15 kt, with gusts as high as 20 kt. A slight chance of showers before 7am. Waves 3 to 4 ft.

Monday Night

N wind 10 to 15 kt. Mostly clear. Waves 2 to 3 ft.

Tuesday

Variable winds 5 kt or less. 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. A chance of showers and thunderstorms after 1pm. 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. Mostly sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. 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.