Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
SW 15kt
1-2ft
Tonight
Low: 74 °F
NNW 10kt
1ft
Thursday
High: 74 °F
NNW 10kt
1ft
Thursday Night
Low: 72 °F
NNE 10kt
1ft
Friday
High: 78 °F
Light Wind
< 1ft
Friday Night
Low: 72 °F
E 10kt
< 1ft
Saturday
High: 81 °F
S 10kt
< 1ft
Saturday Night
Low: 74 °F
S 15kt
1-2ft
Sunday
High: 84 °F
SSW 15kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:33 am CDT Aug 26, 2026
Forecast Valid: 5am CDT Aug 26, 2026-6pm CDT Sep 1, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind 5 to 15 kt. A chance of showers and thunderstorms, mainly after 4pm. Waves 1 to 2 ft.

Tonight

NNW wind around 10 kt. A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Waves around 1 ft.

Thursday

NNW wind around 10 kt becoming NNE in the afternoon. Sunny. Waves around 1 ft.

Thursday Night

NNE wind 5 to 10 kt. Mostly clear. Waves around 1 ft.

Friday

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

Friday Night

E wind around 10 kt becoming S after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

SSW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 2 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.