Water Temperature of the Rainy River in International Falls, MN

Current Water Temperature

38.1°F

Measurement Time: Sunday, January 21, 2024, 8:15 AM CST

Temperature Locations

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Local Points of Interest

Canada–United States border

Rainy River

Station Name: International Falls (below)
Data Source: USGS

Elevation Above Sea Level: 1,073 feet

Nearest Address:
210 Shorewood Dr
International Falls, MN 56649
Koochiching County

GPS Coordinates: 48.5922, -93.4467

Nearby Water Temperatures

Rat Root River, International Falls, MN (7.7 mi)
Rainy River, Loman, MN (21.5 mi)
Rainy Lake, Kettle Falls, MN (37.5 mi)
Lake Grace, Taconite, MN (87.8 mi)
Lake Grace, Bovey, MN (89.8 mi)
Mississippi River, Grand Rapids, MN (94 mi)
Dunka River, Babbitt, MN (95.4 mi)
Partrige River, Babbitt, MN (97.2 mi)
Dunka River, Babbitt, MN (97.2 mi)
Kawishiwi River, Ely, MN (99.4 mi)
Saint Louis River, Hoyt Lakes, MN (100.6 mi)
Baptism River, Illgen City, MN (135.3 mi)
Lake Superior, Two Harbors, MN (136.6 mi)
Knife River, Knife River, MN (137.2 mi)
Lake Superior, Duluth, MN (138.1 mi)

Weather for International Falls, Minnesota

Current Weather

-21.5°F
Partly Cloudy
Partly Cloudy
-37.9°F
-19.9°F
76%
SW 6.3 mph
12.4 mph
-37.8°F
-28.1°F
0 in
0%
9 mi
1020 mbar
0

Five Day Weather Forecast

Light freezing rain
Mon
H: 5°F
L: -20°F
Partly Cloudy
Tue
H: 5°F
L: -7°F
Partly Cloudy
Wed
H: 5°F
L: -2°F
Light freezing rain
Thu
H: 5°F
L: -16°F
Freezing fog
Fri
H: 9°F
L: -19°F

Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 7.95 μg/m3
Carbon Monoxide: 187.85 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 7:50 AM
Sun Transit: 12:26 AM
Sunset: 5:03 PM
Daylight: 9 hrs 12 mins
Moonrise: 10:49 AM
Moon Transit: 6:44 PM
Moonset: 1:34 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

5:18 AM - 7:48 AM
6:14 PM - 8:44 PM

Minor Periods

10:19 AM - 11:49 AM
1:04 AM - 2:34 AM

Action Rating: 3 out of 5

Extreme Cold Warning issued January 25 at 1:23PM CST until January 26 at 12:00PM CST by NWS Duluth MN

Effective: Sun January 25, 2026, 1:23 PM
Expires: Mon January 26, 2026, 1:30 AM

* WHAT...Dangerously cold wind chills as low as 45 degrees below zero. * WHERE...Koochiching, Itasca, Central and North St. Louis Counties. This includes the Tribal Lands of the Bois Forte Band, Nett Lake, Lake Vermilion and, Deer Creek areas. Other locations including Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...Until noon CST Monday. * IMPACTS...The dangerously cold wind chills as low as 45 degrees below zero could cause frostbite on exposed skin in as little as 10 minutes.

Dress in layers including a hat, face mask, and gloves if you must go outside.
Monday, January 26, 2026

Weather Forecast

Light freezing rain
5.2°F
-20.2°F
-7.4°F
68%
0.01 in
63%
9%
12.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.67 μg/m3
PM10: 8.31 μg/m3
Carbon Monoxide: 193.41 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 64.84 μg/m3

Astronomical

Sunrise: 7:50 AM
Sun Transit: 12:26 AM
Sunset: 5:03 PM
Daylight: 9 hrs 12 mins
Moonrise: 10:49 AM
Moon Transit: 6:44 PM
Moonset: 1:34 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

5:18 AM - 7:48 AM
6:14 PM - 8:44 PM

Minor Periods

10:19 AM - 11:49 AM
1:04 AM - 2:34 AM

Action Rating: 3 out of 5

Tuesday, January 27, 2026

Weather Forecast

Partly Cloudy
4.8°F
-7.1°F
-1°F
71%
0 in
0%
3%
12.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.54 μg/m3
PM10: 3.73 μg/m3
Carbon Monoxide: 163.01 μg/m3
Nitrogen Dioxide: 1.83 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 70.68 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 12:26 AM
Sunset: 5:04 PM
Daylight: 9 hrs 15 mins
Moonrise: 11:18 AM
Moon Transit: 7:43 PM
Moonset: 2:59 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

6:14 AM - 8:44 AM
7:13 PM - 9:43 PM

Minor Periods

10:48 AM - 12:18 AM
2:29 AM - 3:59 AM

Action Rating: 2 out of 5

Wednesday, January 28, 2026

Weather Forecast

Partly Cloudy
5.4°F
-2.4°F
1.1°F
72%
0 in
0%
0%
8.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 1.72 μg/m3
Carbon Monoxide: 157.05 μg/m3
Nitrogen Dioxide: 1.87 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 68.92 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:26 AM
Sunset: 5:06 PM
Daylight: 9 hrs 18 mins
Moonrise: 12:00 AM
Moon Transit: 8:45 PM
Moonset: 4:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

7:15 AM - 9:45 AM
8:15 PM - 10:45 PM

Minor Periods

11:30 AM - 1:00 PM
3:53 AM - 5:23 AM

Action Rating: 2 out of 5

Thursday, January 29, 2026

Weather Forecast

Light freezing rain
5.1°F
-15.8°F
-5.6°F
90%
0.01 in
88%
34%
9.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.25 μg/m3
PM10: 1.33 μg/m3
Carbon Monoxide: 154.04 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 66.88 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:26 AM
Sunset: 5:08 PM
Daylight: 9 hrs 21 mins
Moonrise: 12:58 AM
Moon Transit: 9:50 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
9:20 PM - 11:50 PM

Minor Periods

12:28 AM - 1:58 PM
5:08 AM - 6:38 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Freezing fog
9°F
-18.8°F
-10.5°F
95%
0 in
0%
0%
5.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.13 μg/m3
PM10: 1.2 μg/m3
Carbon Monoxide: 156.8 μg/m3
Nitrogen Dioxide: 1.43 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 67.46 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:27 AM
Sunset: 5:09 PM
Daylight: 9 hrs 24 mins
Moonrise: 2:12 PM
Moon Transit: 10:54 PM
Moonset: 6:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

9:23 AM - 11:53 AM
12:00 AM - 12:00 AM

Minor Periods

1:42 PM - 3:12 PM
6:08 AM - 7:38 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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