Weather for Grand Portage, Minnesota
Current Weather
Five Day Weather Forecast
Fri
H: 41°F
L: 6°F
Sat
H: 11°F
L: -12°F
Sun
H: 12°F
L: -5°F
Mon
H: 25°F
L: -6°F
Tue
H: 32°F
L: 23°F
Air Quality
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 84 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 5:40 PM
Daylight: 10 hrs 57 mins
Moon Transit: 9:26 PM
Moonset: 5:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
8:30 AM - 11:00 AM8:56 PM - 11:26 PM
Minor Periods
12:31 AM - 2:01 PM4:30 AM - 6:00 AM
Action Rating: 2 out of 5
Wind Advisory issued February 26 at 11:02AM CST until February 28 at 12:00AM CST by NWS Duluth MN
Effective: Thu February 26, 2026, 11:02 AM
Expires: Fri February 27, 2026, 4:15 AM
* WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...In Minnesota, Carlton, South and Central St. Louis, and Northern Cook and Lake Counties. In Wisconsin, Bayfield and Douglas Counties. This includes the Tribal Lands of the Fond du Lac Band, the Red Cliff Band and the Bois Forte Band, Lake Vermilion area. Other locations including the Apostle Islands National Lakeshore. This also includes the Boundary Waters eastern and central area. * WHEN...From noon Friday to midnight CST Friday Night. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
High Wind Warning issued February 26 at 11:02AM CST until February 28 at 12:00AM CST by NWS Duluth MN
Effective: Thu February 26, 2026, 11:02 AM
Expires: Fri February 27, 2026, 4:15 AM
* WHAT...West 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...From noon Friday to midnight CST Friday Night. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.
Watch for falling debris and tree limbs. Use caution if you must drive.
High Wind Warning issued February 27 at 1:45AM CST until February 28 at 12:00AM CST by NWS Duluth MN
Effective: Fri February 27, 2026, 1:45 AM
Expires: Fri February 27, 2026, 1:45 PM
* WHAT...Northwest winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Southern Cook County. This includes the Tribal Lands of the Grand Portage Reservation. * WHEN...From noon today to midnight CST tonight. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.
Watch for falling debris and tree limbs. Use caution if you must drive.
Wind Advisory issued February 27 at 1:45AM CST until February 28 at 12:00AM CST by NWS Duluth MN
Effective: Fri February 27, 2026, 1:45 AM
Expires: Fri February 27, 2026, 1:45 PM
* WHAT...West to northwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...In Minnesota, Carlton, South and Central St. Louis, North Cook and Lake Counties. In Wisconsin, Bayfield and Douglas Counties. This includes the Tribal Lands of the Bois Forte Band, Lake Vermilion area, the Fond du Lac Band and the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. This also includes the Boundary Waters eastern and central area. * WHEN...From noon today to midnight CST tonight. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.88 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 77.76 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 5:40 PM
Daylight: 10 hrs 57 mins
Moon Transit: 9:26 PM
Moonset: 5:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%
Best Times for Fishing or Hunting
Major Periods
8:30 AM - 11:00 AM8:56 PM - 11:26 PM
Minor Periods
12:31 AM - 2:01 PM4:30 AM - 6:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.16 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 83.08 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 5:42 PM
Daylight: 11 hrs mins
Moon Transit: 10:21 PM
Moonset: 5:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%
Best Times for Fishing or Hunting
Major Periods
9:27 AM - 11:57 AM12:00 AM - 12:00 AM
Minor Periods
1:54 PM - 3:24 PM5:05 AM - 6:35 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.28 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 83.72 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 5:43 PM
Daylight: 11 hrs 4 mins
Moon Transit: 11:12 PM
Moonset: 6:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%
Best Times for Fishing or Hunting
Major Periods
10:20 AM - 12:50 AM12:00 AM - 12:00 AM
Minor Periods
3:15 PM - 4:45 PM5:32 AM - 7:02 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 87.4 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:45 PM
Daylight: 11 hrs 7 mins
Moon Transit: 12:00 PM
Moonset: 6:22 AM
Moon Phase: Full
Moon Illumination: 99.1%
Best Times for Fishing or Hunting
Major Periods
11:09 AM - 1:39 PM12:00 AM - 12:00 AM
Minor Periods
4:34 PM - 6:04 PM5:52 AM - 7:22 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 85.85 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:46 PM
Daylight: 11 hrs 11 mins
Moon Transit: 12:00 AM
Moonset: 6:39 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:54 AM - 2:24 PM
Minor Periods
5:50 PM - 7:20 PM6:09 AM - 7:39 AM
Action Rating: 5 out of 5