Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

For More Weather Information:

Chicago, IL Local Forecast Office

6NM N Gary IN

Marine Point Forecast

[NOTICE]

Overnight
Low: 72 °F
Light Wind
< 1ft
Saturday
High: 80 °F
S 10kt
< 1ft
Saturday Night
Low: 70 °F
N 10kt
< 1ft
Sunday
High: 74 °F
NNE 10kt
1-2ft
Sunday Night
Low: 72 °F
NNE 10kt
2ft
Monday
High: 80 °F
ESE 10kt
< 1ft
Monday Night
Low: 73 °F
E 10kt
< 1ft
Tuesday
High: 87 °F
S 10kt
< 1ft
Tuesday Night
Low: 78 °F
S 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: 9:27 pm CDT Jul 18, 2025
Forecast Valid: 11pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025

View Nearby Observations

Detailed Forecast

Overnight

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

Saturday

S wind around 10 kt becoming WSW in the afternoon. A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Waves 1 ft or less.

Saturday Night

W wind 5 to 10 kt becoming N after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.

Sunday

NNE wind around 10 kt. A slight chance of showers and thunderstorms before 1pm. Waves 1 to 2 ft.

Sunday Night

NNE wind 5 to 10 kt becoming E after midnight. A chance of showers and thunderstorms, mainly after 1am. Waves around 2 ft.

Monday

ESE wind around 10 kt. A chance of showers and thunderstorms, mainly before 1pm. Waves 1 ft or less.

Monday Night

E wind around 10 kt becoming SE after midnight. A slight chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Tuesday

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

Tuesday Night

S wind around 10 kt. 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.