Water Temperature of the Rat Root River in International Falls, MN

Current Water Temperature

31.5°F

Measurement Time: Thursday, December 29, 2022, 8:45 AM CST

Temperature Locations

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Local Points of Interest

Rat Root Lake

Rat Root River

Station Name: International Falls 8SSE - US Hwy 53
Data Source: USGS

Elevation Above Sea Level: 1,112 feet

Nearest Address:
3666 CR-145
International Falls, MN 56649
Koochiching County

GPS Coordinates: 48.4914, -93.3730

Nearby Water Temperatures

Rainy River, International Falls, MN (7.7 mi)
Rainy River, Loman, MN (26.6 mi)
Rainy Lake, Kettle Falls, MN (33.6 mi)
Lake Grace, Taconite, MN (80.8 mi)
Lake Grace, Bovey, MN (82.9 mi)
Mississippi River, Grand Rapids, MN (87.2 mi)
Dunka River, Babbitt, MN (88.4 mi)
Partrige River, Babbitt, MN (90 mi)
Dunka River, Babbitt, MN (90.2 mi)
Saint Louis River, Hoyt Lakes, MN (93.1 mi)
Kawishiwi River, Ely, MN (93.3 mi)
Baptism River, Illgen City, MN (128.4 mi)
Lake Superior, Two Harbors, MN (129.1 mi)
Knife River, Knife River, MN (129.5 mi)
Lake Superior, Duluth, MN (130.4 mi)

Weather for International Falls, Minnesota

Current Weather

-8°F
Partly cloudy
Partly cloudy
-27.1°F
-7.1°F
64%
WNW 11.4 mph
14.2 mph
-26.2°F
-12.1°F
0 in
75%
6 mi
1018 mbar
0.6

Five Day Weather Forecast

Light freezing rain
Mon
H: -4°F
L: -21°F
Cloudy
Tue
H: 6°F
L: -9°F
Overcast
Wed
H: 10°F
L: 1°F
Light freezing rain
Thu
H: 22°F
L: -22°F
Overcast
Fri
H: 4°F
L: -35°F

Air Quality

AQI: 1 - Good
PM2.5: 2.25 μg/m3
PM10: 2.45 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 7:57 AM
Sun Transit: 12:24 AM
Sunset: 4:52 PM
Daylight: 8 hrs 55 mins
Moonrise: 8:47 AM
Moon Transit: 1:13 PM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:43 AM - 3:13 PM

Minor Periods

5:20 PM - 6:50 PM
8:17 AM - 9:47 AM

Action Rating: 5 out of 5

Cold Weather Advisory issued January 18 at 9:19PM CST until January 19 at 12:00PM CST by NWS Duluth MN

Effective: Sun January 18, 2026, 9:19 PM
Expires: Mon January 19, 2026, 9:30 AM

* WHAT...Very cold wind chills as low as 35 below zero. * WHERE...Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake, East Lake, Hinckley and, Lena Lake areas and the Bois Forte Band, Nett Lake, Deer Creek and, Lake Vermilion 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 35 below zero could cause frostbite on exposed skin in as little as 10 minutes.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 19 at 5:56AM CST until January 20 at 12:00PM CST by NWS Duluth MN

Effective: Mon January 19, 2026, 5:56 AM
Expires: Mon January 19, 2026, 4:00 PM

* WHAT...Very cold wind chills as low as 35 below zero. * WHERE...Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band, the Mille Lacs Band, East Lake, Big Sandy Lake, Hinckley and, Lena Lake areas and the Bois Forte Band, Lake Vermilion, Nett Lake and, Deer Creek areas. Other locations including Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...Until noon CST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 19 at 9:04AM CST until January 20 at 12:00PM CST by NWS Duluth MN

Effective: Mon January 19, 2026, 9:04 AM
Expires: Tue January 20, 2026, 4:00 AM

* WHAT...Very cold wind chills as low as 32 below zero. * WHERE...Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake, Hinckley, Lena Lake and, East Lake areas and the Bois Forte Band, Lake Vermilion, Deer Creek and, Nett Lake areas. Other locations including Voyageurs National Park. This also includes the Boundary Waters western area. * WHEN...Until noon CST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes.

Use caution while traveling. Wear appropriate clothing including a hat and gloves.


Monday, January 19, 2026

Weather Forecast

Light freezing rain
-3.6°F
-21.3°F
-12.8°F
68%
0.02 in
60%
35%
15 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.75 μg/m3
PM10: 1.91 μg/m3
Carbon Monoxide: 157.61 μg/m3
Nitrogen Dioxide: 1.37 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 70.72 μg/m3

Astronomical

Sunrise: 7:57 AM
Sun Transit: 12:24 AM
Sunset: 4:52 PM
Daylight: 8 hrs 55 mins
Moonrise: 8:47 AM
Moon Transit: 1:13 PM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:43 AM - 3:13 PM

Minor Periods

5:20 PM - 6:50 PM
8:17 AM - 9:47 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Cloudy
6.1°F
-8.9°F
-2.1°F
73%
0 in
0%
0%
9.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.27 μg/m3
PM10: 3.54 μg/m3
Carbon Monoxide: 162.61 μg/m3
Nitrogen Dioxide: 2.86 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 73.08 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 12:24 AM
Sunset: 4:54 PM
Daylight: 8 hrs 58 mins
Moonrise: 9:07 AM
Moon Transit: 2:00 PM
Moonset: 7:05 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
1:30 PM - 4:00 PM

Minor Periods

6:35 PM - 8:05 PM
8:37 AM - 10:07 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Overcast
10.2°F
0.9°F
4.6°F
81%
0 in
0%
0%
14.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 4.45 μg/m3
Carbon Monoxide: 165.39 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 68.92 μg/m3

Astronomical

Sunrise: 7:55 AM
Sun Transit: 12:24 AM
Sunset: 4:55 PM
Daylight: 9 hrs mins
Moonrise: 9:24 AM
Moon Transit: 2:45 PM
Moonset: 8:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
2:15 PM - 4:45 PM

Minor Periods

7:51 PM - 9:21 PM
8:54 AM - 10:24 AM

Action Rating: 3 out of 5

Thursday, January 22, 2026

Weather Forecast

Light freezing rain
22.2°F
-21.5°F
-7°F
73%
0.01 in
66%
20%
13.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 1.15 μg/m3
PM10: 1.26 μg/m3
Carbon Monoxide: 155.63 μg/m3
Nitrogen Dioxide: 1.08 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 69.52 μg/m3

Astronomical

Sunrise: 7:54 AM
Sun Transit: 12:25 AM
Sunset: 4:57 PM
Daylight: 9 hrs 3 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

2:10 AM - 4:40 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

Overcast
3.5°F
-35.4°F
-17.7°F
90%
0 in
0%
3%
10.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.05 μg/m3
PM10: 1.05 μg/m3
Carbon Monoxide: 158.23 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 63.15 μg/m3

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:25 AM
Sunset: 4:58 PM
Daylight: 9 hrs 5 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

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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