Water Temperature of the Grand Portage River in Grand Portage, MN

Current Water Temperature

32.2°F

Measurement Time: Wednesday, November 26, 2025, 1:15 AM CST

Temperature Locations

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Local Points of Interest

Grand Portage Bay; Lake Superior

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Grand Portage River

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

Elevation Above Sea Level: 623 feet / 190 meters

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

GPS Coordinates: 47.9634982, -89.6834233

Nearby Water Temperatures

Washington Creek, Windigo, MI (25.0 mi)
Lake Superior, Grand Marais, MN (33.3 mi)
Grand Marais Harbor, Grand Marais, MN (33.9 mi)
Lake Superior, Lake Superior, MI (43.7 mi)
Poplar River, Lutsen, MN (52.6 mi)
Lake Superior, Calumet, MI (69.3 mi)
Pilgrim River, Houghton, MI (80.5 mi)
Baptism River, Illgen City, MN (82.8 mi)
Kawishiwi River, Ely, MN (85.7 mi)
Lake Superior, Isle Royale, MI (90.4 mi)
Keweenaw Bay, Jacobsville, MI (91.2 mi)
West Branch Ontonagon River, Bergland, MI (95.2 mi)
Presque Isle River, Tula, MI (98.0 mi)
Sturgeon River, Pelkie, MI (98.0 mi)
Falls River, L'Anse, MI (102.8 mi)

Weather for Grand Portage, Minnesota

Current Weather

28.6°F
Light snow
Conditions: Light snow
Humidity: 80%
Feels Like: 14.3°F
Wind: N 24.2 mph
Wind Gusts: 36.1 mph
Pressure: 29.67 in
Precipitation: 0.11 in
Cloud Cover: 60%
Visibility: 2 mi
UV Index: 0

Five Day Weather Forecast

Blowing snow
Wed
H: 27°F
L: 22°F
Cloudy
Thu
H: 26°F
L: 22°F
Sunny
Fri
H: 24°F
L: 18°F
Light freezing rain
Sat
H: 26°F
L: 18°F
Light freezing rain
Sun
H: 21°F
L: 13°F

Air Quality

AQI: 1 - Good
PM2.5: 1.05 μg/m3
PM10: 1.05 μg/m3
Carbon Monoxide: 147.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 11:46 AM
Sunset: 4:11 PM
Daylight: 8 hrs 50 mins
Moonrise: 12:20 AM
Moon Transit: 5:03 PM
Moonset: 9:57 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
4:33 PM - 7:03 PM

Minor Periods

9:27 PM - 10:57 PM
11:50 AM - 1:20 PM

Action Rating: 3 out of 5

winter storm warning in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Tue November 25, 2025, 3:05 PM
Expires: Wed November 26, 2025, 7:05 AM

Winter storm with heavy snow and blowing snow is expected. What: Total snowfall amounts of 10 to 20 cm. Significantly reduced visibility in heavy snow and blowing snow. When: Beginning tonight and ending Wednesday night. Additional information: Strong northerly winds gusting up to 70 km/h will also accompany the snow, leading to blowing snow and reduced visibility to near zero at times. ### Travel will likely be challenging. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

Consider postponing non-essential travel and outdoor activities until conditions improve. Prepare for some disruptions to transportation, services, and utilities.


winter storm warning in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Tue November 25, 2025, 10:21 PM
Expires: Wed November 26, 2025, 2:21 PM

Winter storm with heavy snow and blowing snow is expected. What: Total snowfall amounts of 10 to 20 cm. Significantly reduced visibility in heavy snow and blowing snow. When: Continuing tonight and ending Wednesday night. Additional information: Strong northerly winds gusting up to 70 km/h will also accompany the snow, leading to blowing snow and reduced visibility to near zero at times. ### Travel will likely be challenging. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

Consider postponing non-essential travel and outdoor activities until conditions improve. Prepare for some disruptions to transportation, services, and utilities.


winter storm warning in effect

Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Wed November 26, 2025, 4:20 AM
Expires: Wed November 26, 2025, 8:20 PM

Winter storm with heavy snow and blowing snow continues. What: Total snowfall amounts of 10 to 20 cm. Significantly reduced visibility in heavy snow and blowing snow. When: Continuing today and ending tonight. Additional information: Strong northerly winds will increase this morning with gusts up to 70 km/h, leading to blowing snow and reduced visibility to near zero at times. ### Travel will likely be challenging. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

Consider postponing non-essential travel and outdoor activities until conditions improve. Prepare for some disruptions to transportation, services, and utilities.


Wednesday, November 26, 2025

Weather Forecast

Conditions: Blowing snow
Average Temperature: 23.7°F
Average Humidity: 83%
Chance of Rain: 68%
Wind: 24.8 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 2.24 μg/m3
PM10: 2.27 μg/m3
Carbon Monoxide: 182.93 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 74.24 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 11:46 AM
Sunset: 4:11 PM
Daylight: 8 hrs 50 mins
Moonrise: 12:20 AM
Moon Transit: 5:03 PM
Moonset: 9:57 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
4:33 PM - 7:03 PM

Minor Periods

9:27 PM - 10:57 PM
11:50 AM - 1:20 PM

Action Rating: 3 out of 5

Thursday, November 27, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 23.5°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 20.6 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 0.94 μg/m3
PM10: 0.95 μg/m3
Carbon Monoxide: 144.45 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 79.36 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:46 AM
Sunset: 4:10 PM
Daylight: 8 hrs 48 mins
Moonrise: 12:39 AM
Moon Transit: 5:49 PM
Moonset: 11:11 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
5:19 PM - 7:49 PM

Minor Periods

12:00 AM - 12:00 AM
12:09 AM - 1:39 PM

Action Rating: 3 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 20.6°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 16.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.02 μg/m3
PM10: 1.03 μg/m3
Carbon Monoxide: 142.29 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 79.52 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 11:46 AM
Sunset: 4:09 PM
Daylight: 8 hrs 46 mins
Moonrise: 12:56 AM
Moon Transit: 6:34 PM
Moonset: 12:11 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
6:04 PM - 8:34 PM

Minor Periods

12:26 AM - 1:56 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 21.3°F
Average Humidity: 77%
Chance of Rain: 69%
Wind: 9.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 1.38 μg/m3
PM10: 1.41 μg/m3
Carbon Monoxide: 138.33 μg/m3
Nitrogen Dioxide: 1.76 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 81.92 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 11:47 AM
Sunset: 4:09 PM
Daylight: 8 hrs 44 mins
Moonrise: 1:11 PM
Moon Transit: 8:12 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
7:42 PM - 10:12 PM

Minor Periods

12:41 AM - 2:11 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, November 30, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 17.9°F
Average Humidity: 80%
Chance of Rain: 66%
Wind: 13.9 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 8.4 μg/m3
PM10: 8.66 μg/m3
Carbon Monoxide: 184.39 μg/m3
Nitrogen Dioxide: 1.86 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 78.23 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 11:47 AM
Sunset: 4:08 PM
Daylight: 8 hrs 42 mins
Moonrise: 1:27 PM
Moon Transit: 8:08 PM
Moonset: 1:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:38 PM - 10:08 PM

Minor Periods

12:57 AM - 2:27 PM
1:15 AM - 2:45 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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