Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

For More Weather Information:

Duluth, MN Local Forecast Office

2NM SE Duluth MN

Marine Point Forecast

[NOTICE]

Tonight
Low: 59 °F
Light Wind
< 1ft
Thursday
High: 71 °F
Light Wind
< 1ft
Thursday Night
Low: 60 °F
ENE 10kt
< 1ft
Friday
High: 76 °F
Light Wind
< 1ft
Friday Night
Low: 60 °F
WNW 10kt
< 1ft
Saturday
High: 75 °F
NNW 10kt
< 1ft
Saturday Night
Low: 55 °F
Light Wind
< 1ft
Sunday
High: 71 °F
Light Wind
< 1ft
Sunday Night
Low: 56 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:21 pm CDT Aug 19, 2026
Forecast Valid: 4pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. A slight chance of showers after 4am. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 5pm. Waves 1 ft or less.

Thursday Night

ENE wind 5 to 10 kt becoming N after midnight. Showers and thunderstorms likely, mainly before 9pm. Waves 1 ft or less.

Friday

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

Friday Night

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

Saturday

NNW wind around 10 kt, with gusts as high as 15 kt. Sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

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

Sunday Night

Variable winds 5 kt or less. 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.