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 Advisory issued April 24 at 6:45AM CDT until April 25 at 6:45PM CDT by NWS Duluth MN

Effective: Fri April 24, 2026, 6:45 AM
Expires: Sat April 25, 2026, 6:45 PM

* WHAT...Flooding caused by rain and snowmelt is expected. * WHERE...In Minnesota, Cook, Lake and St. Louis Counties. * WHEN...Until 645 PM CDT Saturday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. River or stream flows are elevated. Flooding is occurring on area rivers that are popular for waterfall viewing. * ADDITIONAL DETAILS... - At 643 AM CDT Friday, rain and snowmelt is occurring, and will cause minor flooding. Rapid river rises will cause minor flooding in the advisory area. Between 0.5 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Grand Marais, Gunflint Lake, Two Harbors, Silver Bay, Grand Portage, Lutsen, Tofte, Beaver Bay, Forest Center, Temperance River State Park, George Manitou State Park, Taconite Harbor, Isabella, Little Marais and Finland. - Flood safety information can be found at www.weather.gov/safety/flood.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Campers and hikers should avoid flooded trail crossings. If camping at a site along or near the banks of rivers or streams, move away from those locations and seek higher ground. Trails in hilly terrain can quickly become unstable during or shortly after heavy rainfall. Visitors to area waterfalls should expect snow and ice covered trails and be careful around rivers that will have slippery rocks, cliffs, and strong currents.

Flood Advisory issued April 24 at 10:07PM CDT until April 25 at 6:45PM CDT by NWS Duluth MN

Effective: Fri April 24, 2026, 10:07 PM
Expires: Sat April 25, 2026, 6:45 PM

* WHAT...Flooding caused by rain and snowmelt continues. * WHERE...In Minnesota, Cook, Lake and St. Louis Counties. * WHEN...Until 645 PM CDT Saturday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable. River or stream flows are elevated. Flooding is occurring on area rivers that are popular for waterfall viewing. * ADDITIONAL DETAILS... - At 1005 PM CDT Friday, Doppler radar and automated rain gauges indicated rain and snowmelt from Thursday's rainfall. Rapid river rises will cause minor flooding in the advisory area. Between 0.5 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Grand Marais, Gunflint Lake, Two Harbors, Silver Bay, Grand Portage, Lutsen, Tofte, Beaver Bay, Forest Center, Temperance River State Park, George Manitou State Park, Taconite Harbor, Isabella, Little Marais and Finland. - Flood safety information can be found at www.weather.gov/safety/flood.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Campers and hikers should avoid flooded trail crossings. If camping at a site along or near the banks of rivers or streams, move away from those locations and seek higher ground. Trails in hilly terrain can quickly become unstable during or shortly after heavy rainfall. Visitors to area waterfalls should expect snow and ice covered trails and be careful around rivers that will have slippery rocks, cliffs, and strong currents.