Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Duluth, MN Local Forecast Office

Grand Portage MN

Marine Point Forecast

[NOTICE]

Tonight
Low: 61 °F
WNW 10kt
< 1ft
Monday
High: 77 °F
SW 10kt
< 1ft
Monday Night
Low: 56 °F
Light Wind
< 1ft
Tuesday
High: 71 °F
Light Wind
< 1ft
Tuesday Night
Low: 53 °F
Light Wind
< 1ft
Wednesday
High: 63 °F
NE 10kt
< 1ft
Wednesday Night
Low: 52 °F
Light Wind
< 1ft
Thursday
High: 68 °F
Light Wind
< 1ft
Thursday Night
Low: 53 °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: 8:57 pm CDT Jul 13, 2025
Forecast Valid: 10pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025

View Nearby Observations

Detailed Forecast

Tonight

WNW wind 5 to 10 kt. A slight chance of showers before 11pm. Areas of smoke after 1am. Waves 1 ft or less.

Monday

WNW wind 5 to 10 kt becoming SW in the afternoon. Areas of smoke. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 1am. Areas of smoke before 3am. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Areas of smoke between 7am and 11am, then Areas of smoke between noon and 2pm. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Winds could gust as high as 15 kt. Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Waves 1 ft or less.

Wednesday

NE wind around 10 kt, with gusts as high as 15 kt. Showers likely, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly clear. 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.