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

Current Water Temperature

38.8°F

Measurement Time: Thursday, January 8, 2026, 8:45 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

30.9°F
Light snow
Light snow
24.7°F
29.1°F
78%
SW 6.3 mph
7.3 mph
19.8°F
26.4°F
0 in
100%
2 mi
1012 mbar
0.1

Five Day Weather Forecast

Light freezing rain
Thu
H: 33°F
L: 23°F
Overcast
Fri
H: 29°F
L: 21°F
Overcast
Sat
H: 33°F
L: 14°F
Mist
Sun
H: 35°F
L: 11°F
Freezing fog
Mon
H: 33°F
L: 23°F

Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 3.45 μg/m3
Carbon Monoxide: 165.85 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 8:26 AM
Sun Transit: 12:43 AM
Sunset: 5:00 PM
Daylight: 8 hrs 34 mins
Moonrise: 11:46 PM
Moon Transit: 4:58 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:28 AM - 6:58 AM
1:31 PM - 4:01 PM

Minor Periods

12:00 AM - 12:00 AM
10:38 AM - 12:08 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued January 8 at 2:08AM MST until January 8 at 11:00AM MST by NWS Missoula MT

Effective: Thu January 8, 2026, 2:08 AM
Expires: Thu January 8, 2026, 11:00 AM

* WHAT...Snow. There is a chance of minor winter weather impacts. Total snow accumulations of 1 to 4 inches, particularly along and south of Highway 2. * WHERE...Highway 93 Eureka to Whitefish, Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, and Highway 56 Bull Lake Road. * WHEN...Until 11 AM MST this morning. * IMPACTS...For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Thursday morning commute, especially over higher passes.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Thursday, January 8, 2026

Weather Forecast

Light freezing rain
33.1°F
22.5°F
27.7°F
82%
0.08 in
86%
39%
6.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.9 μg/m3
PM10: 2.3 μg/m3
Carbon Monoxide: 163.49 μg/m3
Nitrogen Dioxide: 2.59 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 77.72 μg/m3

Astronomical

Sunrise: 8:26 AM
Sun Transit: 12:43 AM
Sunset: 5:00 PM
Daylight: 8 hrs 34 mins
Moonrise: 11:46 PM
Moon Transit: 4:58 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:28 AM - 6:58 AM
1:31 PM - 4:01 PM

Minor Periods

12:00 AM - 12:00 AM
10:38 AM - 12:08 AM

Action Rating: 2 out of 5

Friday, January 9, 2026

Weather Forecast

Overcast
28.8°F
20.5°F
24.8°F
91%
0 in
0%
0%
4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.05 μg/m3
PM10: 2.41 μg/m3
Carbon Monoxide: 163.13 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 74.76 μg/m3

Astronomical

Sunrise: 8:26 AM
Sun Transit: 12:43 AM
Sunset: 5:01 PM
Daylight: 8 hrs 36 mins
Moonrise: 12:46 AM
Moon Transit: 5:40 AM
Moonset: 11:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
2:13 PM - 4:43 PM

Minor Periods

10:51 AM - 12:21 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, January 10, 2026

Weather Forecast

Overcast
33.3°F
14.3°F
26.2°F
92%
0 in
0%
0%
3.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.76 μg/m3
PM10: 1.83 μg/m3
Carbon Monoxide: 166.09 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 74.24 μg/m3

Astronomical

Sunrise: 8:25 AM
Sun Transit: 12:43 AM
Sunset: 5:03 PM
Daylight: 8 hrs 37 mins
Moonrise: 12:56 AM
Moon Transit: 6:21 AM
Moonset: 11:36 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
2:54 PM - 5:24 PM

Minor Periods

11:06 AM - 12:36 AM
12:26 AM - 1:56 AM

Action Rating: 4 out of 5

Sunday, January 11, 2026

Weather Forecast

Mist
35.1°F
11.3°F
20.2°F
94%
0 in
83%
9%
6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 3.26 μg/m3
Carbon Monoxide: 190.5 μg/m3
Nitrogen Dioxide: 3.94 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 84.84 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

Freezing fog
32.7°F
22.9°F
26.9°F
98%
0.06 in
72%
64%
4.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.01 μg/m3
PM10: 6.53 μg/m3
Carbon Monoxide: 240.58 μg/m3
Nitrogen Dioxide: 7.6 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 78.69 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

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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