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

yellow warning - severe thunderstorm - in effect

Effective: Fri July 31, 2026, 3:10 PM
Expires: Fri July 31, 2026, 6:08 PM

At 4:09 p.m. EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts, up to quarter size hail and heavy rain. Location: Over Loon Motion: Moving very slowly Hazards: Rain: heavy (up to 50 mm) Wind: strong (up to 90 km/h) Hail: up to quarter size (up to 2.5 cm) Locations in the Path: Loon ### Local utility outages are likely. Heavy rain may cause flash flooding and significant reductions to visibility. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Don't drive through flooded roadways. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.

yellow warning - severe thunderstorm - in effect

Effective: Fri July 31, 2026, 3:10 PM
Expires: Fri July 31, 2026, 6:08 PM

At 4:09 p.m. EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts, up to quarter size hail and heavy rain. ### Local utility outages are likely. Heavy rain may cause flash flooding and significant reductions to visibility. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Don't drive through flooded roadways. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.

yellow warning - severe thunderstorm - in effect

Effective: Fri July 31, 2026, 2:28 PM
Expires: Fri July 31, 2026, 5:26 PM

At 3:27 p.m. EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts, up to quarter size hail and heavy rain. Location: Over Loon Motion: Moving slowly to the south Hazards: Hail: up to quarter size (up to 2.5 cm) Rain: heavy (up to 50 mm) Wind: strong (up to 90 km/h) Locations in the Path: Loon Pass Lake ### Local utility outages are likely. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.

yellow warning - severe thunderstorm - in effect

Effective: Fri July 31, 2026, 2:28 PM
Expires: Fri July 31, 2026, 5:26 PM

At 3:27 p.m. EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts, up to quarter size hail and heavy rain. ### Local utility outages are likely. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.

yellow warning - severe thunderstorm - in effect

Effective: Fri July 31, 2026, 2:25 PM
Expires: Fri July 31, 2026, 5:23 PM

At 3:24 p.m. EDT, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts, up to quarter size hail and heavy rain. ### Local utility outages are likely. Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are expected to produce damaging hail, wind or rain.

Take immediate cover if a thunderstorm approaches. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.