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

30.9°F
Overcast
Overcast
23.3°F
29.5°F
78%
ENE 8.3 mph
12 mph
22.4°F
24.5°F
0 in
100%
9 mi
1013 mbar
0

Five Day Weather Forecast

Light freezing rain
Mon
H: 36°F
L: 23°F
Partly Cloudy
Tue
H: 37°F
L: 27°F
Partly Cloudy
Wed
H: 36°F
L: 25°F
Overcast
Thu
H: 35°F
L: 21°F
Moderate or heavy snow showers
Fri
H: 36°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 101 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:18 PM
Sunset: 7:42 PM
Daylight: 12 hrs 46 mins
Moonrise: 5:18 PM
Moon Transit: 11:54 PM
Moonset: 6:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

10:34 AM - 1:04 PM
12:00 AM - 12:00 AM

Minor Periods

4:48 PM - 6:18 PM
5:31 AM - 7:01 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued March 30 at 11:09AM CDT until March 31 at 7:00PM CDT by NWS Duluth MN

Effective: Mon March 30, 2026, 11:09 AM
Expires: Tue March 31, 2026, 1:00 AM

* WHAT...Snow expected. Total snow accumulations up to two inches. * WHERE...Koochiching and North St. Louis Counties. This includes the Tribal Lands of the Bois Forte Band, Nett Lake area. Other locations including Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...From 7 PM this evening to 7 PM CDT Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...A little shift south in the main snow band could give higher snowfall amounts and a shift north could give some icing.

Slow down and use caution while traveling. Call 511 or visit www.511mn.org for Minnesota road information.
Monday, March 30, 2026

Weather Forecast

Light freezing rain
35.8°F
23.2°F
29.9°F
76%
0.02 in
88%
7%
9.4 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.6 μg/m3
PM10: 7.49 μg/m3
Carbon Monoxide: 188.69 μg/m3
Nitrogen Dioxide: 1.39 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 103.6 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:18 PM
Sunset: 7:42 PM
Daylight: 12 hrs 46 mins
Moonrise: 5:18 PM
Moon Transit: 11:54 PM
Moonset: 6:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

10:34 AM - 1:04 PM
12:00 AM - 12:00 AM

Minor Periods

4:48 PM - 6:18 PM
5:31 AM - 7:01 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Partly Cloudy
37.2°F
26.8°F
30.8°F
74%
0 in
0%
8%
13.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 2.97 μg/m3
PM10: 4.36 μg/m3
Carbon Monoxide: 176.41 μg/m3
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 101.72 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:17 PM
Sunset: 7:43 PM
Daylight: 12 hrs 50 mins
Moonrise: 6:32 PM
Moon Transit: 12:00 AM
Moonset: 6:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:17 AM - 1:47 PM

Minor Periods

6:02 PM - 7:32 PM
5:45 AM - 7:15 AM

Action Rating: 4 out of 5

Wednesday, April 1, 2026

Weather Forecast

Partly Cloudy
36.1°F
24.8°F
30°F
75%
0 in
0%
0%
10.1 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 2.19 μg/m3
Carbon Monoxide: 167.81 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 92.28 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:17 PM
Sunset: 7:45 PM
Daylight: 12 hrs 53 mins
Moonrise: 7:44 PM
Moon Transit: 12:37 AM
Moonset: 6:29 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
12:00 AM - 2:30 PM

Minor Periods

7:14 PM - 8:44 PM
5:59 AM - 7:29 AM

Action Rating: 3 out of 5

Thursday, April 2, 2026

Weather Forecast

Overcast
35.4°F
21°F
28.3°F
60%
0 in
0%
0%
12.5 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 1.67 μg/m3
PM10: 2.24 μg/m3
Carbon Monoxide: 153.02 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:17 PM
Sunset: 7:46 PM
Daylight: 12 hrs 57 mins
Moonrise: 8:56 PM
Moon Transit: 1:19 AM
Moonset: 6:43 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
12:42 AM - 3:12 PM

Minor Periods

8:26 PM - 9:56 PM
6:13 AM - 7:43 AM

Action Rating: 3 out of 5

Friday, April 3, 2026

Weather Forecast

Moderate or heavy snow showers
36°F
21.4°F
29.3°F
83%
0.19 in
68%
14%
9.8 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 2.23 μg/m3
PM10: 3.27 μg/m3
Carbon Monoxide: 151.44 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 104 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:17 PM
Sunset: 7:48 PM
Daylight: 13 hrs mins
Moonrise: 10:08 PM
Moon Transit: 2:03 AM
Moonset: 6:59 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:33 AM - 4:03 AM
1:26 PM - 3:56 PM

Minor Periods

9:38 PM - 11:08 PM
6:29 AM - 7:59 AM

Action Rating: 4 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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