Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

Today
High: 24 °F
NNW 10kt
< 1ft
Tonight
Low: 16 °F
⇑NE 20kt
< 1ft
Wednesday
High: 20 °F
N 20kt
< 1ft
Wednesday Night
Low: 14 °F
NNW 15kt
< 1ft
Thursday
High: 22 °F
NNW 10kt
< 1ft
Thursday Night
Low: 15 °F
Light Wind
< 1ft
Friday
High: 20 °F
NW 15kt
< 1ft
Friday Night
Low: 1 °F
NW 15kt
< 1ft
Saturday
High: 8 °F
NW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:17 am CST Dec 9, 2025
Forecast Valid: 6am CST Dec 9, 2025-6pm CST Dec 15, 2025

View Nearby Observations

Detailed Forecast

Today

NNW wind 5 to 10 kt becoming NNE in the afternoon. A slight chance of snow showers before 8am. Waves 1 ft or less.

Tonight

NE wind 5 to 10 kt increasing to 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of snow showers before 1am, then patchy blowing snow and a slight chance of snow showers between 1am and 3am, then patchy blowing snow after 3am. Waves 1 ft or less.

Wednesday

N wind 10 to 20 kt becoming NW in the afternoon. Winds could gust as high as 30 kt. Patchy blowing snow before 7am. Waves 1 ft or less.

Wednesday Night

NNW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

NNW wind 5 to 10 kt, with gusts as high as 15 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

NW wind 10 to 15 kt, with gusts as high as 30 kt. Snow showers likely, mainly after noon. Waves 1 ft or less.

Friday Night

NW wind around 15 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

NW wind 10 to 15 kt, with gusts as high as 25 kt. Partly sunny. 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.