Water Temperature of the South Fork Flathead River in Columbia Falls, MT

Current Water Temperature

50.2°F

Measurement Time: Monday, June 22, 2026, 9:45 AM MDT

Temperature Locations

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Local Points of Interest

Hungry Horse, MT

South Fork Flathead River

Station Name: S F Flathead River nr Columbia Falls MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,091 feet

Nearest Address:
Columbia Falls, MT 59912
Flathead County

GPS Coordinates: 48.35657778, -114.0378583

Nearby Water Temperatures

Birch Creek, Valier, MT (78.9 mi)
Clark Fork River, Superior, MT (89.4 mi)
Kootenai River, Troy, MT (93.7 mi)
Clark Fork, East Missoula, MT (102.4 mi)
Kootenai River, Bonners Ferry, ID (106.7 mi)
Kootenai River, Bonners Ferry, ID (111.3 mi)
Sun River, Simms, MT (114 mi)
Kootenai River, Copeland, ID (114.4 mi)
Kootenai River, Porthill, ID (121 mi)
North Fork Clearwater River, Pierce, ID (128.1 mi)
Missouri River, Wolf Creek, MT (133.2 mi)
Pend Oreille River, Metaline Falls, WA (157.3 mi)
Pend Oreille River, Metaline Falls, WA (157.6 mi)
Warm Springs Creek, Warm Springs, MT (161.4 mi)
Marias River, Loma, MT (161.8 mi)

Weather for Columbia Falls, Montana

Current Weather

71.1°F
Heavy rain at times
Heavy rain at times
71.1°F
71.8°F
35%
NNE 6.3 mph
7.2 mph
70°F
42.4°F
0.05 in
0%
9 mi
1019 mbar
5.5

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 71°F
L: 47°F
Sunny
Tue
H: 75°F
L: 37°F
Patchy rain nearby
Wed
H: 79°F
L: 45°F
Moderate rain
Thu
H: 75°F
L: 47°F
Patchy rain nearby
Fri
H: 64°F
L: 44°F

Air Quality

AQI: 1 - Good
PM2.5: 0.8 μg/m3
PM10: 0.9 μg/m3
Carbon Monoxide: 93 μg/m3
Nitrogen Dioxide: 0.4 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:38 PM
Sunset: 9:41 PM
Daylight: 16 hrs 6 mins
Moonrise: 2:51 PM
Moon Transit: 8:22 PM
Moonset: 1:27 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
7:52 PM - 10:22 PM

Minor Periods

2:21 PM - 3:51 PM
12:57 AM - 2:27 AM

Action Rating: 2 out of 5

Monday, June 22, 2026

Weather Forecast

Patchy rain nearby
71.4°F
47.3°F
61.2°F
50%
0.05 in
57%
0%
6.7 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 2.38 μg/m3
PM10: 2.54 μg/m3
Carbon Monoxide: 96.58 μg/m3
Nitrogen Dioxide: 3.34 μg/m3
Sulphur Dioxide: 0.16 μg/m3
Ozone: 56.92 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:38 PM
Sunset: 9:41 PM
Daylight: 16 hrs 6 mins
Moonrise: 2:51 PM
Moon Transit: 8:22 PM
Moonset: 1:27 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
7:52 PM - 10:22 PM

Minor Periods

2:21 PM - 3:51 PM
12:57 AM - 2:27 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Sunny
75.1°F
36.6°F
60.1°F
51%
0 in
2%
0%
4.9 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 1.31 μg/m3
PM10: 1.42 μg/m3
Carbon Monoxide: 100.05 μg/m3
Nitrogen Dioxide: 4.68 μg/m3
Sulphur Dioxide: 0.23 μg/m3
Ozone: 59.88 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:38 PM
Sunset: 9:41 PM
Daylight: 16 hrs 6 mins
Moonrise: 4:01 PM
Moon Transit: 9:05 PM
Moonset: 1:42 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
8:35 PM - 11:05 PM

Minor Periods

3:31 PM - 5:01 PM
1:12 AM - 2:42 AM

Action Rating: 2 out of 5

Wednesday, June 24, 2026

Weather Forecast

Patchy rain nearby
78.9°F
45.3°F
62.3°F
56%
0.03 in
36%
0%
5.4 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 1.78 μg/m3
PM10: 2 μg/m3
Carbon Monoxide: 108.29 μg/m3
Nitrogen Dioxide: 5.19 μg/m3
Sulphur Dioxide: 0.21 μg/m3
Ozone: 71.25 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:38 PM
Sunset: 9:41 PM
Daylight: 16 hrs 6 mins
Moonrise: 5:11 PM
Moon Transit: 9:49 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

5:38 AM - 8:08 AM
9:19 PM - 11:49 PM

Minor Periods

4:41 PM - 6:11 PM
1:29 AM - 2:59 AM

Action Rating: 4 out of 5

Thursday, June 25, 2026

Weather Forecast

Moderate rain
74.7°F
46.5°F
55.9°F
82%
0.29 in
79%
0%
4 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 2.08 μg/m3
PM10: 2.55 μg/m3
Carbon Monoxide: 114.58 μg/m3
Nitrogen Dioxide: 5.37 μg/m3
Sulphur Dioxide: 0.22 μg/m3
Ozone: 70.46 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:38 PM
Sunset: 9:41 PM
Daylight: 16 hrs 5 mins
Moonrise: 6:21 PM
Moon Transit: 10:35 PM
Moonset: 2:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

6:23 AM - 8:53 AM
12:00 AM - 12:00 AM

Minor Periods

5:51 PM - 7:21 PM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Friday, June 26, 2026

Weather Forecast

Patchy rain nearby
63.9°F
44°F
52.7°F
80%
0.04 in
56%
0%
6 mph
3.1


Air Quality

AQI: 1 - Good
PM2.5: 3.03 μg/m3
PM10: 3.8 μg/m3
Carbon Monoxide: 127.86 μg/m3
Nitrogen Dioxide: 8.84 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:39 PM
Sunset: 9:41 PM
Daylight: 16 hrs 5 mins
Moonrise: 7:29 PM
Moon Transit: 11:24 PM
Moonset: 2:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

7:10 AM - 9:40 AM
12:00 AM - 12:00 AM

Minor Periods

6:59 PM - 8:29 PM
2:13 AM - 3:43 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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