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

Current Water Temperature

39.0°F

Measurement Time: Sunday, January 11, 2026, 9:45 AM MST

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)
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)
Orofino River, Orofino, ID (166.1 mi)

Weather for Columbia Falls, Montana

Current Weather

34.2°F
Overcast
Overcast
31.6°F
39.4°F
80%
SSW 3.1 mph
6.6 mph
37.4°F
30.1°F
0 in
100%
9 mi
1029 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 42°F
L: 28°F
Overcast
Mon
H: 38°F
L: 30°F
Overcast
Tue
H: 35°F
L: 31°F
Mist
Wed
H: 35°F
L: 25°F
Freezing fog
Thu
H: 35°F
L: 18°F

Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 165.85 μg/m3
Nitrogen Dioxide: 7.35 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 8:25 AM
Sun Transit: 12:44 AM
Sunset: 5:04 PM
Daylight: 8 hrs 39 mins
Moonrise: 2:05 AM
Moon Transit: 7:03 AM
Moonset: 11:52 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
3:36 PM - 6:06 PM

Minor Periods

11:22 AM - 12:52 AM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Sunday, January 11, 2026

Weather Forecast

Sunny
42.1°F
27.7°F
33.4°F
60%
0 in
0%
0%
3.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.94 μg/m3
PM10: 3.17 μg/m3
Carbon Monoxide: 187.49 μg/m3
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 68.32 μg/m3

Astronomical

Sunrise: 8:25 AM
Sun Transit: 12:44 AM
Sunset: 5:04 PM
Daylight: 8 hrs 39 mins
Moonrise: 2:05 AM
Moon Transit: 7:03 AM
Moonset: 11:52 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
3:36 PM - 6:06 PM

Minor Periods

11:22 AM - 12:52 AM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Overcast
37.9°F
29.5°F
33.9°F
74%
0 in
0%
0%
5.1 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 5.7 μg/m3
Carbon Monoxide: 166.45 μg/m3
Nitrogen Dioxide: 6.19 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 74.24 μg/m3

Astronomical

Sunrise: 8:24 AM
Sun Transit: 12:44 AM
Sunset: 5:05 PM
Daylight: 8 hrs 41 mins
Moonrise: 3:14 AM
Moon Transit: 7:47 AM
Moonset: 12:12 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

7:17 AM - 9:47 AM
4:21 PM - 6:51 PM

Minor Periods

11:42 AM - 1:12 PM
2:44 AM - 4:14 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Overcast
35.4°F
31.3°F
33.1°F
84%
0 in
0%
0%
4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.01 μg/m3
PM10: 6.82 μg/m3
Carbon Monoxide: 164.25 μg/m3
Nitrogen Dioxide: 6.19 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 71.24 μg/m3

Astronomical

Sunrise: 8:24 AM
Sun Transit: 12:44 AM
Sunset: 5:07 PM
Daylight: 8 hrs 43 mins
Moonrise: 4:24 AM
Moon Transit: 8:33 AM
Moonset: 12:36 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
5:08 PM - 7:38 PM

Minor Periods

12:06 AM - 1:36 PM
3:54 AM - 5:24 AM

Action Rating: 4 out of 5

Wednesday, January 14, 2026

Weather Forecast

Mist
34.5°F
24.6°F
29.7°F
95%
0 in
0%
0%
3.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.31 μg/m3
PM10: 4.88 μg/m3
Carbon Monoxide: 174.38 μg/m3
Nitrogen Dioxide: 7.09 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 66.88 μg/m3

Astronomical

Sunrise: 8:23 AM
Sun Transit: 12:45 AM
Sunset: 5:08 PM
Daylight: 8 hrs 45 mins
Moonrise: 5:31 AM
Moon Transit: 9:22 AM
Moonset: 1:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
5:58 PM - 8:28 PM

Minor Periods

12:38 AM - 2:08 PM
5:01 AM - 6:31 AM

Action Rating: 3 out of 5

Thursday, January 15, 2026

Weather Forecast

Freezing fog
35°F
18°F
28.5°F
95%
0.01 in
87%
18%
4.5 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 4.25 μg/m3
Carbon Monoxide: 232.1 μg/m3
Nitrogen Dioxide: 6.19 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 70.92 μg/m3

Astronomical

Sunrise: 8:22 AM
Sun Transit: 12:45 AM
Sunset: 5:09 PM
Daylight: 8 hrs 47 mins
Moonrise: 6:34 AM
Moon Transit: 10:13 AM
Moonset: 1:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

6:50 PM - 9:20 PM
9:43 AM - 12:13 AM

Minor Periods

1:21 PM - 2:51 PM
6:04 AM - 7:34 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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