Water Temperature of the St. Louis River in Scanlon, MN

Current Water Temperature

39.7°F

Measurement Time: Wednesday, April 15, 2026, 4:00 AM CDT

Temperature Locations

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Local Points of Interest

Cloquet, MN; Knife Island Campground

St. Louis River

Station Name: ST. LOUIS RIVER AT SCANLON, MN
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,106 feet

Nearest Address:
W State Rte 61
Scanlon, MN 55720
Carlton County

GPS Coordinates: 46.7032765, -92.4188018

Nearby Water Temperatures

Duluth Harbor, Duluth, MN (16.3 mi)
Lake Superior, Superior, WI (16.9 mi)
Lake Superior, Duluth, MN (24.3 mi)
Lake Superior, Duluth, MN (25.5 mi)
Lake Superior, Duluth, MN (28.9 mi)
Knife River, Knife River, MN (34.1 mi)
Bois Brule River, Maple, WI (38.7 mi)
Lake Superior, Two Harbors, MN (41.7 mi)
St. Croix River, Danbury, WI (44.1 mi)
Saint Louis River, Hoyt Lakes, MN (56.6 mi)
Lake Grace, Taconite, MN (62.2 mi)
Namekagon River, Cable, WI (63.6 mi)
Mississippi River, Grand Rapids, MN (63.7 mi)
Lake Grace, Bovey, MN (63.8 mi)
Partrige River, Babbitt, MN (67.4 mi)

Weather for Scanlon, Minnesota

Current Weather

39.7°F
Overcast
Overcast
35.9°F
39.7°F
100%
ESE 5.4 mph
7.2 mph
38.5°F
39.4°F
0 in
100%
9 mi
1008 mbar
0.6

Five Day Weather Forecast

Fog
Wed
H: 55°F
L: 36°F
Cloudy
Thu
H: 72°F
L: 36°F
Patchy rain nearby
Fri
H: 46°F
L: 33°F
Heavy snow
Sat
H: 35°F
L: 23°F
Light freezing rain
Sun
H: 34°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 6.15 μg/m3
PM10: 8.05 μg/m3
Carbon Monoxide: 177.85 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 5.55 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:09 PM
Sunset: 7:58 PM
Daylight: 13 hrs 36 mins
Moonrise: 5:22 AM
Moon Transit: 10:33 AM
Moonset: 6:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

10:03 AM - 12:33 AM
10:03 AM - 12:33 AM

Minor Periods

5:36 PM - 7:06 PM
4:52 AM - 6:22 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued April 14 at 6:02PM CDT until April 15 at 10:00AM CDT by NWS Duluth MN

Effective: Tue April 14, 2026, 6:02 PM
Expires: Wed April 15, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Minnesota, Koochiching, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Ashland, Bayfield, Douglas, and Iron Counties. This includes the Tribal Lands of the Bad River Reservation, the Grand Portage Reservation, the Fond du Lac Band, the northwestern area of the Lac du Flambeau Band, the Red Cliff Band and the Bois Forte Band, Lake Vermilion and, Nett Lake areas. Other locations including Madeline Island, Voyageurs National Park and the Apostle Islands National Lakeshore. The entire Boundary Waters is also included. * WHEN...From 10 PM this evening to 10 AM CDT Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued April 14 at 10:07PM CDT until April 15 at 10:00AM CDT by NWS Duluth MN

Effective: Tue April 14, 2026, 10:07 PM
Expires: Wed April 15, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Minnesota, Koochiching, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Ashland, Bayfield, Douglas, and Iron Counties. This includes the Tribal Lands of the Bad River Reservation, the Grand Portage Reservation, the Fond du Lac Band, the northwestern area of the Lac du Flambeau Band, the Red Cliff Band and the Bois Forte Band, Lake Vermilion and, Nett Lake areas. Other locations including Madeline Island, Voyageurs National Park and the Apostle Islands National Lakeshore. The entire Boundary Waters is also included. * WHEN...Until 10 AM CDT Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.
Wednesday, April 15, 2026

Weather Forecast

Fog
54.5°F
35.6°F
41.7°F
93%
0 in
0%
0%
7.8 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 10.16 μg/m3
PM10: 11.82 μg/m3
Carbon Monoxide: 186.93 μg/m3
Nitrogen Dioxide: 8.43 μg/m3
Sulphur Dioxide: 5.2 μg/m3
Ozone: 71.04 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 1:09 PM
Sunset: 7:58 PM
Daylight: 13 hrs 36 mins
Moonrise: 5:22 AM
Moon Transit: 10:33 AM
Moonset: 6:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

10:03 AM - 12:33 AM
10:03 AM - 12:33 AM

Minor Periods

5:36 PM - 7:06 PM
4:52 AM - 6:22 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Cloudy
72°F
35.8°F
48.7°F
82%
0 in
0%
0%
11.6 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 7.93 μg/m3
PM10: 9.37 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 6.2 μg/m3
Sulphur Dioxide: 3.58 μg/m3
Ozone: 80.92 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:09 PM
Sunset: 7:59 PM
Daylight: 13 hrs 39 mins
Moonrise: 5:40 AM
Moon Transit: 12:25 AM
Moonset: 7:27 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:55 AM - 2:25 PM

Minor Periods

6:57 PM - 8:27 PM
5:10 AM - 6:40 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Patchy rain nearby
45.7°F
32.5°F
39.2°F
83%
0.14 in
88%
0%
16.1 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 5.58 μg/m3
PM10: 6.2 μg/m3
Carbon Monoxide: 170.25 μg/m3
Nitrogen Dioxide: 4.92 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 87.68 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:09 PM
Sunset: 8:01 PM
Daylight: 13 hrs 42 mins
Moonrise: 6:01 AM
Moon Transit: 1:17 PM
Moonset: 8:52 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
12:47 AM - 3:17 PM

Minor Periods

8:22 PM - 9:52 PM
5:31 AM - 7:01 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Heavy snow
34.5°F
22.5°F
30.1°F
86%
0.49 in
72%
39%
18.8 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 1.94 μg/m3
PM10: 2.08 μg/m3
Carbon Monoxide: 160.7 μg/m3
Nitrogen Dioxide: 2.56 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 81.8 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:08 PM
Sunset: 8:02 PM
Daylight: 13 hrs 45 mins
Moonrise: 6:27 AM
Moon Transit: 2:13 PM
Moonset: 10:19 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:54 AM - 3:24 AM
1:43 PM - 4:13 PM

Minor Periods

9:49 PM - 11:19 PM
5:57 AM - 7:27 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Light freezing rain
33.5°F
20.5°F
25.2°F
79%
0.03 in
67%
46%
17.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 3.63 μg/m3
Carbon Monoxide: 157.61 μg/m3
Nitrogen Dioxide: 1.91 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 99.15 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:08 PM
Sunset: 8:04 PM
Daylight: 13 hrs 49 mins
Moonrise: 7:00 AM
Moon Transit: 3:14 PM
Moonset: 11:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
2:44 PM - 5:14 PM

Minor Periods

12:00 AM - 12:00 AM
6:30 AM - 8:00 AM

Action Rating: 3 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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