Station Name: 9099090 - Grand Marais, MN
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 617 feet

Nearest Address:
391 MN-61
Grand Marais, MN 55604
Cook County

GPS Coordinates: 47.749, -90.341

Nearby Water Temperatures

Winter Storm Warning issued April 1 at 1:13AM CDT until April 3 at 7:00AM CDT by NWS Duluth MN

Effective: Wed April 1, 2026, 1:13 AM
Expires: Wed April 1, 2026, 1:15 PM

* WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 7 and 10 inches and ice accumulations around a light glaze. Winds gusting as high as 45 mph. * WHERE...Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...From 1 AM Thursday to 7 AM CDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...The majority of the snowfall is expected to fall during the daytime hours. With the high sun angle and temperatures hovering just above freezing, snowfall will have a difficult time accumulating on warm surfaces leading to a slushy mess.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511mn.org for Minnesota road information.

Winter Weather Advisory issued April 1 at 1:13AM CDT until April 3 at 7:00AM CDT by NWS Duluth MN

Effective: Wed April 1, 2026, 1:13 AM
Expires: Wed April 1, 2026, 1:15 PM

* WHAT...Mixed precipitation expected. Total snow accumulations between 4 and 6 inches and ice accumulations around a light glaze. * WHERE...Central and North St. Louis, and Northern Cook and Lake Counties. This includes the Tribal Lands of the Bois Forte Band, Lake Vermilion and, Nett Lake areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From 1 AM Thursday to 7 AM CDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. * ADDITIONAL DETAILS...The majority of the snowfall is expected to fall during the daytime hours. With the high sun angle and temperatures hovering just above freezing, snowfall will have a difficult time accumulating on warm surfaces leading to a slushy mess.

Slow down and use caution while traveling. Call 511 or visit www.511mn.org for Minnesota road information.

Winter Storm Warning issued April 1 at 12:23PM CDT until April 3 at 7:00AM CDT by NWS Duluth MN

Effective: Wed April 1, 2026, 12:23 PM
Expires: Thu April 2, 2026, 3:30 AM

* WHAT...Heavy mixed precipitation expected. Total snow accumulations between 7 and 10 inches and ice accumulations around a light glaze. Winds gusting as high as 45 mph. * WHERE...Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...From 1 AM Thursday to 7 AM CDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...The majority of the snowfall is expected to fall during the daytime hours. With the high sun angle and temperatures hovering just above freezing, snowfall will have a difficult time accumulating on warm surfaces leading to a slushy mess.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 511 or visit www.511mn.org for Minnesota road information.

Winter Weather Advisory issued April 1 at 12:23PM CDT until April 3 at 7:00AM CDT by NWS Duluth MN

Effective: Wed April 1, 2026, 12:23 PM
Expires: Thu April 2, 2026, 3:30 AM

* WHAT...Mixed precipitation expected. Total snow accumulations between 5 and 8 inches and ice accumulations around a light glaze. * WHERE...Central and North St. Louis, and Northern Cook and Lake Counties. This includes the Tribal Lands of the Bois Forte Band, Lake Vermilion and, Nett Lake areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From 1 AM Thursday to 7 AM CDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. * ADDITIONAL DETAILS...The majority of the snowfall is expected to fall during the daytime hours. With the high sun angle and temperatures hovering just above freezing, snowfall will have a difficult time accumulating on warm surfaces leading to a slushy mess.

Slow down and use caution while traveling. Call 511 or visit www.511mn.org for Minnesota road information.