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

-9.9°F
Partly cloudy
Partly cloudy
-21.7°F
-13.2°F
63%
W 4.7 mph
7.8 mph
-26.6°F
-21.8°F
0 in
75%
9 mi
1013 mbar
0

Five Day Weather Forecast

Overcast
Thu
H: -18°F
L: -23°F
Partly Cloudy
Fri
H: -8°F
L: -23°F
Cloudy
Sat
H: 0°F
L: -17°F
Freezing fog
Sun
H: -4°F
L: -24°F
Heavy snow
Mon
H: 11°F
L: -23°F

Air Quality

AQI: 1 - Good
PM2.5: 1.35 μg/m3
PM10: 1.45 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:55 AM
Sun Transit: 12:25 AM
Sunset: 4:57 PM
Daylight: 9 hrs 2 mins
Moonrise: 9:39 AM
Moon Transit: 3:30 PM
Moonset: 9:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
3:00 PM - 5:30 PM

Minor Periods

9:06 PM - 10:36 PM
9:09 AM - 10:39 AM

Action Rating: 2 out of 5

Extreme Cold Watch issued January 21 at 1:04PM CST until January 24 at 12:00PM CST by NWS Duluth MN

Effective: Wed January 21, 2026, 1:04 PM
Expires: Thu January 22, 2026, 7:15 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills 40 to 55 degrees below zero expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 45 degrees below zero possible. * WHERE...Koochiching, North St. Louis, and Northern Cook and Lake Counties. This includes the Tribal Lands of the Bois Forte Band, Nett Lake area. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...For the Extreme Cold Warning, from midnight tonight to 11 AM CST Friday. For the Extreme Cold Watch, from Friday morning through Saturday morning. * IMPACTS...The dangerously cold wind chills colder than 50 degrees below zero could cause frostbite on exposed skin in as little as 5 minutes.

Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Extreme Cold Warning issued January 21 at 1:04PM CST until January 23 at 11:00AM CST by NWS Duluth MN

Effective: Wed January 21, 2026, 1:04 PM
Expires: Thu January 22, 2026, 7:15 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills 40 to 55 degrees below zero expected. For the Extreme Cold Watch, dangerously cold wind chills as low as 45 degrees below zero possible. * WHERE...Koochiching, North St. Louis, and Northern Cook and Lake Counties. This includes the Tribal Lands of the Bois Forte Band, Nett Lake area. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...For the Extreme Cold Warning, from midnight tonight to 11 AM CST Friday. For the Extreme Cold Watch, from Friday morning through Saturday morning. * IMPACTS...The dangerously cold wind chills colder than 50 degrees below zero could cause frostbite on exposed skin in as little as 5 minutes.

Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Thursday, January 22, 2026

Weather Forecast

Overcast
-18.4°F
-23.3°F
-18.6°F
64%
0 in
0%
8%
15.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.41 μg/m3
PM10: 1.54 μg/m3
Carbon Monoxide: 158.01 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 7:55 AM
Sun Transit: 12:25 AM
Sunset: 4:57 PM
Daylight: 9 hrs 2 mins
Moonrise: 9:39 AM
Moon Transit: 3:30 PM
Moonset: 9:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
3:00 PM - 5:30 PM

Minor Periods

9:06 PM - 10:36 PM
9:09 AM - 10:39 AM

Action Rating: 2 out of 5

Friday, January 23, 2026

Weather Forecast

Partly Cloudy
-8.3°F
-23°F
-15.9°F
65%
0 in
0%
0%
10.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.22 μg/m3
PM10: 1.3 μg/m3
Carbon Monoxide: 157.41 μg/m3
Nitrogen Dioxide: 1.38 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 62.12 μg/m3

Astronomical

Sunrise: 7:54 AM
Sun Transit: 12:25 AM
Sunset: 4:58 PM
Daylight: 9 hrs 4 mins
Moonrise: 9:54 AM
Moon Transit: 8:54 AM
Moonset: 10:53 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

8:24 AM - 10:54 AM
8:24 AM - 10:54 AM

Minor Periods

10:23 PM - 11:53 PM
9:24 AM - 10:54 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Cloudy
0.1°F
-17.1°F
-9.5°F
73%
0 in
0%
0%
6.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.29 μg/m3
Carbon Monoxide: 173.49 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 59.68 μg/m3

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:25 AM
Sunset: 5:00 PM
Daylight: 9 hrs 7 mins
Moonrise: 10:09 AM
Moon Transit: 5:01 PM
Moonset: 12:12 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

3:39 AM - 6:09 AM
4:31 PM - 7:01 PM

Minor Periods

12:00 AM - 12:00 AM
9:39 AM - 11:09 AM

Action Rating: 3 out of 5

Sunday, January 25, 2026

Weather Forecast

Freezing fog
-3.7°F
-24.1°F
-11.1°F
94%
0 in
0%
12%
8.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.57 μg/m3
PM10: 3.68 μg/m3
Carbon Monoxide: 185.29 μg/m3
Nitrogen Dioxide: 4.04 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 56.8 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

Heavy snow
10.9°F
-23°F
-6.3°F
87%
0.05 in
65%
16%
13 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.61 μg/m3
PM10: 4.72 μg/m3
Carbon Monoxide: 202.2 μg/m3
Nitrogen Dioxide: 4.52 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 54.08 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

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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