Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 68 °F
S 20kt
2-3ft

Small Craft Advisory
Tuesday
High: 80 °F
SW 15kt
< 1ft

Small Craft Advisory
Tuesday Night
Low: 70 °F
NNE 10kt
< 1ft
Wednesday
High: 70 °F
ENE 10kt
2ft
Wednesday Night
Low: 70 °F
Light Wind
1ft
Thursday
High: 74 °F
Light Wind
< 1ft
Thursday Night
Low: 70 °F
NE 10kt
< 1ft
Friday
High: 78 °F
ENE 10kt
1ft
Friday Night
Low: 72 °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: 9:11 pm CDT Sep 14, 2026
Forecast Valid: 12am CDT Sep 15, 2026-6pm CDT Sep 21, 2026

View Nearby Observations

Detailed Forecast

Overnight

S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, mainly after 3am. Waves 2 to 3 ft.

Tuesday

SW wind 5 to 15 kt. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 10am, then a chance of showers and thunderstorms after 10am. Waves 1 ft or less.

Tuesday Night

NW wind 5 to 10 kt becoming NNE after midnight. A chance of showers and thunderstorms, mainly after 4am. Waves 1 ft or less.

Wednesday

ENE wind 5 to 10 kt. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves around 2 ft.

Wednesday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Waves around 1 ft.

Thursday

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Thursday Night

NE wind around 10 kt. A chance of showers, mainly after 1am. Waves 1 ft or less.

Friday

ENE wind around 10 kt. Partly sunny. Waves around 1 ft.

Friday Night

E wind around 10 kt becoming S after midnight. Partly cloudy. 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.