Water Temperature of the Rat Root River in International Falls, MN
Current Water Temperature
31.5°F -0.3°C
Frigid Dangerously Cold
31.5°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+
Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.
Measurement Time: Thursday, December 29, 2022, 8:45 AM CST
Temperature Locations
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Local Points of Interest
Rat Root LakeSponsored Content
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
19°F

Conditions: Overcast
Humidity: 93%
Feels Like: 12°F
Wind: SE 3.8 mph
Wind Gusts: 6.3 mph
Humidity: 93%
Feels Like: 12°F
Wind: SE 3.8 mph
Wind Gusts: 6.3 mph
Pressure: 30.22 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 7.8 mi
UV Index: 0
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 7.8 mi
UV Index: 0
Five-Day Weather Forecast

Sat
H: 29°F
L: 15°F

Sun
H: 38°F
L: 18°F

Mon
H: 48°F
L: 36°F

Tue
H: 50°F
L: 41°F

Wed
H: 50°F
L: 43°F
Air Quality
EPA Index 1 • Good
Air quality is satisfactory, and air pollution poses little or no risk.
PM2.5
0.6 μg/m³
Good PM10
0.8 μg/m³
GoodOzone (O3)
63 μg/m³
PhotochemicalNO2
1.2 μg/m³
Nitrogen DioxideSO2
0.1 μg/m³
Sulfur DioxideCO
114 μg/m³
Carbon MonoxideAstronomical
Sun
9h 16m daylight Sunrise 7:20 AM
Solar Noon 11:57 AM
Sunset 4:36 PM
Moon
Waxing Crescent • 21% Moonrise 12:21 PM
Transit 4:25 PM
Moonset 8:37 PM
Best Times for Fishing or Hunting
Major Periods
3:31 AM - 6:01 AM3:55 PM - 6:25 PM
Minor Periods
11:51 AM - 1:21 PM8:07 PM - 9:37 PM
Action Rating:Fair Action 2/5
Saturday, November 14, 2026
Weather Forecast
Conditions: Overcast
Average Temperature: 21.4°F
Average Humidity: 84%
Average Temperature: 21.4°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 2.1
Wind: 4.7 mph
UV Index: 2.1
Air Quality
EPA Index 1 • Good
PM2.5
1.4 μg/m³
Good PM10
1.5 μg/m³
GoodOzone (O3)
64.3 μg/m³
PhotochemicalNO2
1.7 μg/m³
Nitrogen DioxideSO2
0.4 μg/m³
Sulfur DioxideCO
120 μg/m³
Carbon MonoxideAstronomical
Sun
9h 16m daylight Sunrise 7:20 AM
Solar Noon 11:57 AM
Sunset 4:36 PM
Moon
Waxing Crescent • 21% Moonrise 12:21 PM
Transit 4:25 PM
Moonset 8:37 PM
Best Times for Fishing or Hunting
Major Periods
3:31 AM - 6:01 AM3:55 PM - 6:25 PM
Minor Periods
11:51 AM - 1:21 PM8:07 PM - 9:37 PM
Action Rating:Fair Action 2/5
Sunday, November 15, 2026
Weather Forecast
Conditions: Overcast
Average Temperature: 28.2°F
Average Humidity: 77%
Average Temperature: 28.2°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2.1
Wind: 9.8 mph
UV Index: 2.1
Air Quality
EPA Index 1 • Good
PM2.5
7.2 μg/m³
Good PM10
7.6 μg/m³
GoodOzone (O3)
52.9 μg/m³
PhotochemicalNO2
4.6 μg/m³
Nitrogen DioxideSO2
0.8 μg/m³
Sulfur DioxideCO
138.5 μg/m³
Carbon MonoxideAstronomical
Sun
9h 13m daylight Sunrise 7:21 AM
Solar Noon 11:58 AM
Sunset 4:34 PM
Moon
Waxing Crescent • 31% Moonrise 12:47 PM
Transit 5:11 PM
Moonset 9:46 PM
Best Times for Fishing or Hunting
Major Periods
4:18 AM - 6:48 AM4:41 PM - 7:11 PM
Minor Periods
12:17 PM - 1:47 PM9:16 PM - 10:46 PM
Action Rating:Good Action 3/5
Monday, November 16, 2026
Weather Forecast
Conditions: Overcast
Average Temperature: 41.4°F
Average Humidity: 79%
Average Temperature: 41.4°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 1.9
Wind: 10.5 mph
UV Index: 1.9
Air Quality
EPA Index 1 • Good
PM2.5
5.2 μg/m³
Good PM10
5.4 μg/m³
GoodOzone (O3)
51 μg/m³
PhotochemicalNO2
2.6 μg/m³
Nitrogen DioxideSO2
0.7 μg/m³
Sulfur DioxideCO
135.1 μg/m³
Carbon MonoxideAstronomical
Sun
9h 10m daylight Sunrise 7:23 AM
Solar Noon 11:58 AM
Sunset 4:33 PM
Moon
First Quarter • 42% Moonrise 1:07 PM
Transit 5:56 PM
Moonset 10:56 PM
Best Times for Fishing or Hunting
Major Periods
5:04 AM - 7:34 AM5:26 PM - 7:56 PM
Minor Periods
12:37 PM - 2:07 PM10:26 PM - 11:56 PM
Action Rating:Good Action 3/5
Tuesday, November 17, 2026
Weather Forecast
Conditions: Overcast
Average Temperature: 45°F
Average Humidity: 89%
Average Temperature: 45°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 1.6
Wind: 8.3 mph
UV Index: 1.6
Air Quality
EPA Index 1 • Good
PM2.5
4.2 μg/m³
Good PM10
4.2 μg/m³
GoodOzone (O3)
49.8 μg/m³
PhotochemicalNO2
2.5 μg/m³
Nitrogen DioxideSO2
0.3 μg/m³
Sulfur DioxideCO
142.3 μg/m³
Carbon MonoxideAstronomical
Sun
9h 8m daylight Sunrise 7:24 AM
Solar Noon 11:58 AM
Sunset 4:32 PM
Moon
First Quarter • 54% Moonrise 1:24 PM
Transit 6:39 PM
Moonset 12:06 AM
Best Times for Fishing or Hunting
Major Periods
5:47 AM - 8:17 AM6:09 PM - 8:39 PM
Minor Periods
12:54 PM - 2:24 PM11:36 PM - 1:06 AM
Action Rating:Fair Action 2/5
Wednesday, November 18, 2026
Weather Forecast
Conditions: Light Drizzle
Average Temperature: 46.4°F
Average Humidity: 88%
Average Temperature: 46.4°F
Average Humidity: 88%
Chance of Rain: 15%
Wind: 7.6 mph
UV Index: 0.9
Wind: 7.6 mph
UV Index: 0.9
Air Quality
EPA Index 1 • Good
PM2.5
6.5 μg/m³
Good PM10
6.6 μg/m³
GoodOzone (O3)
51 μg/m³
PhotochemicalNO2
2.7 μg/m³
Nitrogen DioxideSO2
0.6 μg/m³
Sulfur DioxideCO
174.3 μg/m³
Carbon MonoxideAstronomical
Sun
9h 5m daylight Sunrise 7:26 AM
Solar Noon 11:58 AM
Sunset 4:31 PM
Moon
First Quarter • 65% Moonrise 1:39 PM
Transit 7:21 PM
Moonset 12:06 AM
Best Times for Fishing or Hunting
Major Periods
6:30 AM - 9:00 AM6:51 PM - 9:21 PM
Minor Periods
1:09 PM - 2:39 PM11:36 PM - 1:06 AM
Action Rating:Fair Action 2/5
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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