Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 63 °F
SW 15kt
1-2ft
Tonight
Low: 46 °F
N 10kt
< 1ft
Sunday
High: 54 °F
NNW 10kt
< 1ft
Sunday Night
Low: 44 °F
Light Wind
< 1ft
Monday
High: 52 °F
N 10kt
< 1ft
Monday Night
Low: 43 °F
Light Wind
< 1ft
Tuesday
High: 62 °F
⇑S 20kt
< 1ft
Tuesday Night
Low: 47 °F
SSW 20kt
2-3ft
Wednesday
High: 54 °F
WNW 20kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:32 am CDT May 9, 2026
Forecast Valid: 8am CDT May 9, 2026-6pm CDT May 15, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind 5 to 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. A slight chance of showers after 1pm. Waves 1 to 2 ft.

Tonight

N wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Sunday

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

Sunday Night

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

Monday

NE wind 5 to 10 kt becoming N in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Tuesday

S wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 30 kt. A chance of showers, then showers and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Tuesday Night

SSW wind 15 to 20 kt becoming WNW after midnight. Winds could gust as high as 30 kt. Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Waves 2 to 3 ft.

Wednesday

WNW wind 15 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Waves 3 to 4 ft.

The water temperature at St. Joseph is 50 degrees and at Michigan
City is 51 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.