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:

Northern Indiana Local Forecast Office

4NM NW Michigan City IN

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
Light Wind
< 1ft
Saturday
High: 86 °F
S 10kt
< 1ft
Saturday Night
Low: 75 °F
N 10kt
< 1ft
Sunday
High: 80 °F
NNE 10kt
1ft
Sunday Night
Low: 72 °F
NNE 10kt
1ft
Monday
High: 81 °F
ESE 10kt
< 1ft
Monday Night
Low: 73 °F
SE 10kt
< 1ft
Tuesday
High: 88 °F
S 10kt
< 1ft
Tuesday Night
Low: 79 °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: 6:33 pm CDT Jul 18, 2025
Forecast Valid: 6pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025

View Nearby Observations

Detailed Forecast

Tonight

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

Saturday

S wind 5 to 10 kt becoming W in the afternoon. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm 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. Waves around 1 ft.

Sunday Night

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

Monday

ESE wind 5 to 10 kt. A chance of showers, mainly before 1pm. Waves 1 ft or less.

Monday Night

E wind 5 to 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. A slight chance of showers and thunderstorms before 1pm. Waves 1 ft or less.

Tuesday Night

S wind 5 to 10 kt. A slight chance of showers and thunderstorms. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 75 degrees.

*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.