Station Name: GRAND PORTAGE RIVER AT GRAND PORTAGE MN
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 623 feet

Nearest Address:
1 Upper Rd
Grand Portage, MN 55605
Cook County

GPS Coordinates: 47.9634982, -89.6834233

Nearby Water Temperatures

Flood Watch issued April 26 at 1:15PM CDT until April 28 at 7:00AM CDT by NWS Duluth MN

Effective: Sun April 26, 2026, 1:15 PM
Expires: Mon April 27, 2026, 3:00 PM

* WHAT...Flooding caused by rain and snowmelt is possible. * WHERE...In Minnesota, Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation.This also includes the Boundary Waters eastern and central area. * WHEN...From Monday morning through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Around 1 to 2 inches of rain is expected to fall. Eastern Cook County also has several inches of lingering snowpack. While rainfall rates are not expected to be heavy, prolonged moderate rainfall on top of saturated soils and should lead to runoff. Area rivers and streams are already running at elevated levels and could rise to minor flooding levels with runoff due to the additional rainfall. - Flood safety information can be found at www.weather.gov/safety/flood.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued April 27 at 12:38AM CDT until April 28 at 3:00AM CDT by NWS Duluth MN

Effective: Mon April 27, 2026, 12:38 AM
Expires: Tue April 28, 2026, 12:45 AM

* WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...In Minnesota, Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation.This also includes the Boundary Waters eastern and central area. * WHEN...From 10 AM CDT this morning through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Around 1 to 2 inches of rain is expected to fall. Eastern Cook County also has several inches of lingering snowpack. While rainfall rates are not expected to be heavy, prolonged moderate rainfall on top of saturated soils and should lead to runoff. Area rivers and streams are already running at elevated levels and could rise to minor flooding levels with runoff due to the additional rainfall. - Flood safety information can be found at www.weather.gov/safety/flood.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.