Weather for Grand Marais, Minnesota
Current Weather
Humidity: 100%
Feels Like: 68.4°F
Wind: WSW 5.8 mph
Wind Gusts: 12.2 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0.9
Five Day Weather Forecast
Sat
H: 73°F
L: 62°F
Sun
H: 65°F
L: 54°F
Mon
H: 65°F
L: 54°F
Tue
H: 62°F
L: 51°F
Wed
H: 61°F
L: 50°F
Air Quality
Nitrogen Dioxide: 5.87 μg/m3
Sulphur Dioxide: 0.17 μg/m3
Ozone: 75 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 9:02 PM
Daylight: 15 hrs 52 mins
Moon Transit: 9:09 PM
Moonset: 1:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.3%
Best Times for Fishing or Hunting
Major Periods
8:13 AM - 10:43 AM8:39 PM - 11:09 PM
Minor Periods
4:14 PM - 5:44 PM12:36 AM - 2:06 AM
Action Rating: 3 out of 5
Flood Watch issued July 5 at 2:49AM CDT until July 5 at 1:00PM CDT by NWS Duluth MN
Effective: Sat July 5, 2025, 2:49 AM
Expires: Sat July 5, 2025, 1:00 PM
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...In Minnesota, in east central Minnesota, Crow Wing and Aitkin Counties. In north central Minnesota, South Itasca and Cass Counties. In northeast Minnesota, Cook, Lake, Carlton and central and southern St. Louis Counties. This includes the Tribal Lands of the Bois Forte Band, Lake Vermilion area, the Grand Portage Reservation, the Fond du Lac Band and the Mille Lacs Band, East Lake and, Big Sandy Lake areas.This also includes the Boundary Waters eastern and central area. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Widespread showers with scattered heavy rainfall and high rainfall rates may lead to rapid runoff and flash flooding through this morning. Additional rainfall amounts of 0.5 to 2 inches are expected, with localized amounts over 2 inches possible. - Flood safety information can be found at www.weather.gov/safety/flood.
Be prepared to take action should Flash Flood Warnings be issued.
Weather Forecast
Average Temperature: 66.3°F
Average Humidity: 92%
Wind: 11.2 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 3.52 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 85.08 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 9:02 PM
Daylight: 15 hrs 52 mins
Moon Transit: 9:09 PM
Moonset: 1:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.3%
Best Times for Fishing or Hunting
Major Periods
8:13 AM - 10:43 AM8:39 PM - 11:09 PM
Minor Periods
4:14 PM - 5:44 PM12:36 AM - 2:06 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 63.4°F
Average Humidity: 87%
Wind: 11.4 mph
UV Index: 1.6
Air Quality
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 66.28 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 9:01 PM
Daylight: 15 hrs 51 mins
Moon Transit: 9:57 PM
Moonset: 1:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.4%
Best Times for Fishing or Hunting
Major Periods
9:00 AM - 11:30 AM9:27 PM - 11:57 PM
Minor Periods
5:23 PM - 6:53 PM12:57 AM - 2:27 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 59.3°F
Average Humidity: 75%
Wind: 8.5 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 68.48 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 9:01 PM
Daylight: 15 hrs 49 mins
Moon Transit: 10:48 PM
Moonset: 1:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
9:49 AM - 12:19 AM12:00 AM - 12:00 AM
Minor Periods
6:30 PM - 8:00 PM1:26 AM - 2:56 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 56.3°F
Average Humidity: 84%
Wind: 9.4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 2.67 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 66.24 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 9:00 PM
Daylight: 15 hrs 48 mins
Moon Transit: 11:41 PM
Moonset: 2:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
10:41 AM - 1:11 PM12:00 AM - 12:00 AM
Minor Periods
7:31 PM - 9:01 PM2:03 AM - 3:33 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 55.2°F
Average Humidity: 88%
Wind: 6 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 4.74 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 54.54 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 9:00 PM
Daylight: 15 hrs 47 mins
Moon Transit: 12:00 AM
Moonset: 3:22 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:36 AM - 2:06 PM
Minor Periods
8:22 PM - 9:52 PM2:52 AM - 4:22 AM
Action Rating: 3 out of 5