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 Weather Advisory issued April 2 at 12:52PM CDT until April 3 at 7:00AM CDT by NWS Duluth MN

Effective: Thu April 2, 2026, 12:52 PM
Expires: Fri April 3, 2026, 1:00 AM

* 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...For the Winter Weather Advisory, until 7 AM CDT Friday. For the Winter Storm Watch, from Friday afternoon through late Saturday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning 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. Monitor the latest forecasts for updates on this situation.

Winter Storm Warning issued April 2 at 12:52PM CDT until April 3 at 7:00AM CDT by NWS Duluth MN

Effective: Thu April 2, 2026, 12:52 PM
Expires: Fri April 3, 2026, 1:00 AM

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations between 4 and 6 inches. Winds gusting as high as 40 mph. For the Winter Storm Watch, heavy mixed precipitation possible. Total snow and sleet accumulations between 6 and 9 inches and ice accumulations around one tenth of an inch possible. Winds could gust as high as 40 mph. * WHERE...Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...For the Winter Storm Warning, until 7 AM CDT Friday. For the Winter Storm Watch, from Friday afternoon through late Saturday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning 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.

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. Monitor the latest forecasts for updates on this situation.

Winter Storm Watch issued April 2 at 12:52PM CDT until April 5 at 1:00AM CDT by NWS Duluth MN

Effective: Thu April 2, 2026, 12:52 PM
Expires: Fri April 3, 2026, 1:00 AM

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations between 4 and 6 inches. Winds gusting as high as 40 mph. For the Winter Storm Watch, heavy mixed precipitation possible. Total snow and sleet accumulations between 6 and 9 inches and ice accumulations around one tenth of an inch possible. Winds could gust as high as 40 mph. * WHERE...Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...For the Winter Storm Warning, until 7 AM CDT Friday. For the Winter Storm Watch, from Friday afternoon through late Saturday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning 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.

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. Monitor the latest forecasts for updates on this situation.

Winter Storm Watch issued April 2 at 12:52PM CDT until April 5 at 1:00AM CDT by NWS Duluth MN

Effective: Thu April 2, 2026, 12:52 PM
Expires: Fri April 3, 2026, 1:00 AM

* 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...For the Winter Weather Advisory, until 7 AM CDT Friday. For the Winter Storm Watch, from Friday afternoon through late Saturday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning 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. Monitor the latest forecasts for updates on this situation.

Winter Weather Advisory issued April 2 at 6:51PM CDT until April 3 at 7:00AM CDT by NWS Duluth MN

Effective: Thu April 2, 2026, 6:51 PM
Expires: Fri April 3, 2026, 7:00 AM

* WHAT...For the Winter Weather Advisory, snow. Additional snow accumulations between 2 and 4 inches. For the Winter Storm Watch, heavy mixed precipitation possible. Total snow and sleet accumulations between 4 and 9 inches and ice accumulations around a light glaze possible. * WHERE...Central and North St. Louis, and Northern Cook and Lake Counties. This includes the Tribal Lands of the Bois Forte Band, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...For the Winter Weather Advisory, until 7 AM CDT Friday. For the Winter Storm Watch, from Friday afternoon through late Saturday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes.

Slow down and use caution while traveling. Call 511 or visit www.511mn.org for Minnesota road information. Monitor the latest forecasts for updates on this situation.