Water Temperature of the Grand Portage River in Grand Portage, MN
Current Water Temperature
Measurement Time: Saturday, December 27, 2025, 3:15 PM CST
Temperature Locations
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Local Points of Interest
Grand Portage Bay; Lake SuperiorSponsored Content
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
Washington Creek, Windigo, MI (25 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 mi)
Sturgeon River, Pelkie, MI (98 mi)
Falls River, L'Anse, MI (102.8 mi)
Weather for Grand Portage, Minnesota
Current Weather
Humidity: 98%
Heat Index: 33.3°F
Feels Like: 30.2°F
Wind: SW 2.5 mph
Wind Gusts: 5 mph
Wind Chill: 30.2°F
Dew Point: 30.2°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 4 mi
UV Index: 0
Five Day Weather Forecast

Sat
H: 33°F
L: 25°F

Sun
H: 32°F
L: 14°F

Mon
H: 10°F
L: 3°F

Tue
H: 18°F
L: 2°F

Wed
H: 2°F
L: -6°F
Air Quality
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 41 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:12 PM
Daylight: 8 hrs 24 mins
Moon Transit: 3:23 AM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
2:53 AM - 5:23 AM2:53 AM - 5:23 AM
Minor Periods
11:02 AM - 12:32 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
High Wind Warning issued December 27 at 10:18AM CST until December 29 at 6:00PM CST by NWS Duluth MN
Effective: Sat December 27, 2025, 10:18 AM
Expires: Sun December 28, 2025, 5:15 AM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile in dense fog. For the High Wind Warning, north winds 15 to 25 mph with gusts up to 60 mph expected. * WHERE...Southern Cook County. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the High Wind Warning, from 6 PM Sunday to 6 PM CST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Low visibility could make driving conditions hazardous. In areas where temperatures are near or below freezing, the fog could result in icy roads, sidewalks, and other surfaces. * ADDITIONAL DETAILS...Dense fog is mainly expected up the hillside, along the ridgeline and into the higher terrain of the North Shore. Little to no fog is possible along the shorelines.
Watch for falling debris and tree limbs. Use caution if you must drive. If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued December 27 at 10:18AM CST until December 27 at 6:00PM CST by NWS Duluth MN
Effective: Sat December 27, 2025, 10:18 AM
Expires: Sun December 28, 2025, 5:15 AM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile in dense fog. For the High Wind Warning, north winds 15 to 25 mph with gusts up to 60 mph expected. * WHERE...Southern Cook County. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...For the Dense Fog Advisory, until 6 PM CST this evening. For the High Wind Warning, from 6 PM Sunday to 6 PM CST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Low visibility could make driving conditions hazardous. In areas where temperatures are near or below freezing, the fog could result in icy roads, sidewalks, and other surfaces. * ADDITIONAL DETAILS...Dense fog is mainly expected up the hillside, along the ridgeline and into the higher terrain of the North Shore. Little to no fog is possible along the shorelines.
Watch for falling debris and tree limbs. Use caution if you must drive. If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.
High Wind Warning issued December 27 at 2:11PM CST until December 29 at 6:00PM CST by NWS Duluth MN
Effective: Sat December 27, 2025, 2:11 PM
Expires: Sun December 28, 2025, 6:00 AM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the High Wind Warning, north winds 20 to 25 mph with gusts up to 60 mph and blowing snow expected. * WHERE...Southern Cook County. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...For the Dense Fog Advisory, until 6 AM CST Sunday. For the High Wind Warning, from 6 PM Sunday to 6 PM CST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Low visibility could make driving conditions hazardous. In areas where temperatures are near or below freezing, the fog could result in icy roads, sidewalks, and other surfaces. Expect areas of rapid visibility reductions from blowing snow Sunday afternoon and overnight. * ADDITIONAL DETAILS...Dense fog is mainly expected up the hillside, along the ridgeline and into the higher terrain of the North Shore. Little to no fog is possible along the shorelines. Blowing snow is likely Sunday afternoon and overnight as moderate to heavy snowfall is expected.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued December 27 at 2:11PM CST until December 28 at 6:00AM CST by NWS Duluth MN
Effective: Sat December 27, 2025, 2:11 PM
Expires: Sun December 28, 2025, 6:00 AM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the High Wind Warning, north winds 20 to 25 mph with gusts up to 60 mph and blowing snow expected. * WHERE...Southern Cook County. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...For the Dense Fog Advisory, until 6 AM CST Sunday. For the High Wind Warning, from 6 PM Sunday to 6 PM CST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Low visibility could make driving conditions hazardous. In areas where temperatures are near or below freezing, the fog could result in icy roads, sidewalks, and other surfaces. Expect areas of rapid visibility reductions from blowing snow Sunday afternoon and overnight. * ADDITIONAL DETAILS...Dense fog is mainly expected up the hillside, along the ridgeline and into the higher terrain of the North Shore. Little to no fog is possible along the shorelines. Blowing snow is likely Sunday afternoon and overnight as moderate to heavy snowfall is expected.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.
Winter Storm Warning issued December 27 at 1:47PM CST until December 29 at 3:00AM CST by NWS Duluth MN
Effective: Sat December 27, 2025, 1:47 PM
Expires: Sun December 28, 2025, 5:15 AM
* WHAT...Heavy snow and blowing snow expected. Total snow accumulations between 4 and 7 inches, locally higher amounts are possible on the terrain ridge. Winds gusting 40 to 55 mph. * WHERE...Southern Cook and Southern Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...From noon Sunday to 3 AM CST Monday. * IMPACTS...Localized whiteout conditions are possible due to falling and blowing snow creating visibility around 1/4 mile, especially along Highway 61 on the North Shore. Plan on slippery road conditions. Gusty winds could bring down tree branches.
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. Travel may become hazardous along Highway 61 on the North Shore.
Winter Weather Advisory issued December 27 at 1:47PM CST until December 29 at 12:00AM CST by NWS Duluth MN
Effective: Sat December 27, 2025, 1:47 PM
Expires: Sun December 28, 2025, 5:15 AM
* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 35 mph. * WHERE...Koochiching, 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...From noon Sunday to midnight CST Sunday Night. * IMPACTS...Plan on slippery road conditions.
Slow down and use caution while traveling. Call 511 or visit www.511mn.org for Minnesota road information.
Weather Forecast
Average Temperature: 29.9°F
Average Humidity: 94%
Wind: 12.8 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 4.19 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 54.72 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:12 PM
Daylight: 8 hrs 24 mins
Moon Transit: 3:23 AM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
2:53 AM - 5:23 AM2:53 AM - 5:23 AM
Minor Periods
11:02 AM - 12:32 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27.5°F
Average Humidity: 89%
Wind: 25.9 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 4.36 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 48.36 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:13 PM
Daylight: 8 hrs 25 mins
Moon Transit: 6:49 PM
Moonset: 12:47 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
5:57 AM - 8:27 AM6:19 PM - 8:49 PM
Minor Periods
11:19 AM - 12:49 AM12:17 AM - 1:47 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 8.4°F
Average Humidity: 69%
Wind: 28.4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 73.48 μg/m3
Astronomical
Sun Transit: 12:01 AM
Sunset: 4:14 PM
Daylight: 8 hrs 26 mins
Moon Transit: 7:41 PM
Moonset: 2:08 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
6:47 AM - 9:17 AM7:11 PM - 9:41 PM
Minor Periods
11:39 AM - 1:09 PM1:38 AM - 3:08 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 9.4°F
Average Humidity: 71%
Wind: 19.5 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 1.52 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 77.24 μg/m3
Astronomical
Sun Transit: 12:01 AM
Sunset: 4:15 PM
Daylight: 8 hrs 27 mins
Moon Transit: 8:38 PM
Moonset: 3:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%
Best Times for Fishing or Hunting
Major Periods
7:41 AM - 10:11 AM8:08 PM - 10:38 PM
Minor Periods
12:05 AM - 1:35 PM3:03 AM - 4:33 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 0.8°F
Average Humidity: 82%
Wind: 17.4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 1.43 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 75.62 μg/m3
Astronomical
Sun Transit: 12:01 AM
Sunset: 4:16 PM
Daylight: 8 hrs 27 mins
Moon Transit: 9:41 PM
Moonset: 5:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%
Best Times for Fishing or Hunting
Major Periods
8:42 AM - 11:12 AM9:11 PM - 11:41 PM
Minor Periods
12:41 AM - 2:11 PM4:31 AM - 6:01 AM
Action Rating: 2 out of 5
