Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 25 °F
SSW 15kt
2-3ft

Small Craft Advisory
Tonight
Low: 16 °F
SSW 15kt
2-4ft

Small Craft Advisory
Tuesday
High: 25 °F
NNW 10kt
1-2ft
Tuesday Night
Low: 12 °F
⇑NNE 15kt
< 1ft
Wednesday
High: 20 °F
N 15kt
< 1ft
Wednesday Night
Low: 10 °F
NNW 10kt
< 1ft
Thursday
High: 21 °F
NNW 10kt
< 1ft
Thursday Night
Low: 11 °F
NW 10kt
< 1ft
Friday
High: 17 °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: 1:47 pm CST Dec 8, 2025
Forecast Valid: 2pm CST Dec 8, 2025-6pm CST Dec 14, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 15 kt. A chance of flurries before 3pm, then snow likely. Waves 2 to 3 ft.

Tonight

SSW wind 5 to 15 kt becoming NNW after midnight. Winds could gust as high as 20 kt. Snow, mainly before 4am. Waves 2 to 4 ft.

Tuesday

NNW wind 5 to 10 kt becoming SSE in the afternoon. A slight chance of snow after 4pm. Waves 1 to 2 ft.

Tuesday Night

ENE wind 5 to 10 kt becoming NNE 10 to 15 kt after midnight. Winds could gust as high as 30 kt. A chance of snow, mainly before midnight. Waves 1 ft or less.

Wednesday

N wind 10 to 15 kt becoming NW in the afternoon. Winds could gust as high as 30 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

NNW wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

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

Thursday Night

NW wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of snow. Waves 1 ft or less.

Friday

NW wind 10 to 15 kt, with gusts as high as 30 kt. A chance of snow. 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.