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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 82 °F
S 10kt
< 1ft
Tonight
Low: 72 °F
NW 10kt
< 1ft
Sunday
High: 79 °F
NNE 10kt
2ft
Sunday Night
Low: 71 °F
N 10kt
1-2ft
Monday
High: 82 °F
E 10kt
< 1ft
Monday Night
Low: 71 °F
SE 10kt
< 1ft
Tuesday
High: 85 °F
SE 10kt
< 1ft
Tuesday Night
Low: 77 °F
SSE 10kt
< 1ft
Wednesday
High: 90 °F
SSW 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: 8:00 am CDT Jul 19, 2025
Forecast Valid: 8am CDT Jul 19, 2025-6pm CDT Jul 25, 2025

View Nearby Observations

Detailed Forecast

Today

S wind around 10 kt becoming SW in the afternoon. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Tonight

WSW wind 5 to 10 kt becoming NNW after midnight. A chance of showers and thunderstorms, mainly before 1am. Waves 1 ft or less.

Sunday

NNE wind 5 to 10 kt. A chance of showers and thunderstorms before 1pm. Waves around 2 ft.

Sunday Night

N wind around 10 kt becoming E after midnight. Partly cloudy. Waves 1 to 2 ft.

Monday

E wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Waves 1 ft or less.

Monday Night

ENE wind around 10 kt becoming SE after midnight. Mostly clear. Waves 1 ft or less.

Tuesday

SE wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Tuesday Night

SSE wind around 10 kt. A slight chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Wednesday

SSW wind around 10 kt. A slight chance of showers and thunderstorms before 1pm. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 75.

*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.