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

-29°F
Partly cloudy
Partly cloudy
-40.2°F
-20.6°F
80%
W 3.1 mph
6.6 mph
-22.1°F
-26.2°F
0 in
50%
9 mi
1028 mbar
0

Five Day Weather Forecast

Overcast
Sun
H: -5°F
L: -28°F
Overcast
Mon
H: 6°F
L: -13°F
Partly Cloudy
Tue
H: 5°F
L: -5°F
Light freezing rain
Wed
H: 5°F
L: -12°F
Freezing fog
Thu
H: 7°F
L: -15°F

Air Quality

AQI: 1 - Good
PM2.5: 8.85 μg/m3
PM10: 9.85 μg/m3
Carbon Monoxide: 223.85 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:26 AM
Sunset: 5:01 PM
Daylight: 9 hrs 10 mins
Moonrise: 10:27 AM
Moon Transit: 5:51 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

4:27 AM - 6:57 AM
5:21 PM - 7:51 PM

Minor Periods

9:57 AM - 11:27 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Cold Weather Advisory issued January 24 at 1:47PM CST until January 25 at 12:00PM CST by NWS Duluth MN

Effective: Sat January 24, 2026, 1:47 PM
Expires: Sun January 25, 2026, 6:00 AM

* WHAT...Very cold wind chills as low as 30 degrees below zero expected. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin, Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Red Cliff Band, the Bad River Reservation, the St. Croix Band in Burnett County, the Lac Courte Oreilles Reservation, the northwestern area of the Lac du Flambeau Band, the Fond du Lac Band, the Mille Lacs Band, Hinckley, Lena Lake, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Deer Creek, Nett Lake and, Lake Vermilion areas. Other locations including Voyageurs National Park, the Apostle Islands National Lakeshore and Madeline Island. The entire Boundary Waters is also included. * WHEN...From 6 PM this evening to noon CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 25 degrees below zero could cause frostbite on exposed skin in as little as 30 minutes. Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Sunday, January 25, 2026

Weather Forecast

Overcast
-5.4°F
-27.6°F
-15.9°F
67%
0 in
0%
6%
9.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.79 μg/m3
PM10: 8.71 μg/m3
Carbon Monoxide: 199.29 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 57.92 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:26 AM
Sunset: 5:01 PM
Daylight: 9 hrs 10 mins
Moonrise: 10:27 AM
Moon Transit: 5:51 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

4:27 AM - 6:57 AM
5:21 PM - 7:51 PM

Minor Periods

9:57 AM - 11:27 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, January 26, 2026

Weather Forecast

Overcast
5.9°F
-12.5°F
-3.1°F
70%
0 in
0%
3%
9.4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.16 μg/m3
PM10: 7.68 μg/m3
Carbon Monoxide: 179.57 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 63.76 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
4.5°F
-4.9°F
-0.2°F
71%
0 in
0%
0%
11.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.84 μg/m3
PM10: 4.02 μg/m3
Carbon Monoxide: 160.49 μg/m3
Nitrogen Dioxide: 2.01 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 70.64 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

Light freezing rain
4.7°F
-12.3°F
-3.8°F
91%
0.01 in
68%
53%
7.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.43 μg/m3
PM10: 2.56 μg/m3
Carbon Monoxide: 154.26 μg/m3
Nitrogen Dioxide: 2.28 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 69.16 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

Freezing fog
7.2°F
-14.6°F
-8.1°F
96%
0.01 in
80%
36%
6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.05 μg/m3
PM10: 1.15 μg/m3
Carbon Monoxide: 158.54 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 68.31 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

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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