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

Current Water Temperature

57.4°F

Measurement Time: Thursday, September 10, 2026, 7:45 PM 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

52°F
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
88%
W 1 mph
49°F

Weather Forecast

Showers And Thunderstorms
Overnight
47°F - Showers And Thunderstorms
Showers And Thunderstorms
Friday
57°F - Showers And Thunderstorms
Mostly Cloudy then Slight Chance Light Rain
Friday Night
45°F - Mostly Cloudy then Slight Chance Light Rain
Chance Light Rain then Mostly Cloudy
Saturday
59°F - Chance Light Rain then Mostly Cloudy
Mostly Cloudy then Chance Light Rain
Saturday Night
44°F - Mostly Cloudy then Chance Light Rain
Rain
Sunday
52°F - Rain
Light Rain
Sunday Night
41°F - Light Rain
Chance Light Rain
Monday
54°F - Chance Light Rain
Mostly Cloudy
Monday Night
42°F - Mostly Cloudy
Partly Sunny
Tuesday
58°F - Partly Sunny
Partly Cloudy
Tuesday Night
43°F - Partly Cloudy
Mostly Sunny
Wednesday
59°F - Mostly Sunny
Mostly Clear
Wednesday Night
43°F - Mostly Clear
Sunny
Thursday
65°F - Sunny

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:32 PM
Sunset: 7:57 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:49 AM
Moon Transit: 2:00 PM
Moonset: 7:57 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:30 PM - 4:00 PM

Minor Periods

7:27 PM - 8:57 PM
7:19 AM - 8:49 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:32 PM
Sunset: 7:57 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:49 AM
Moon Transit: 2:00 PM
Moonset: 7:57 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:30 PM - 4:00 PM

Minor Periods

7:27 PM - 8:57 PM
7:19 AM - 8:49 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:32 PM
Sunset: 7:57 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:49 AM
Moon Transit: 2:00 PM
Moonset: 7:57 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:30 PM - 4:00 PM

Minor Periods

7:27 PM - 8:57 PM
7:19 AM - 8:49 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:32 PM
Sunset: 7:57 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:49 AM
Moon Transit: 2:00 PM
Moonset: 7:57 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:30 PM - 4:00 PM

Minor Periods

7:27 PM - 8:57 PM
7:19 AM - 8:49 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:32 PM
Sunset: 7:55 PM
Daylight: 12 hrs 46 mins
Moonrise: 9:05 AM
Moon Transit: 2:45 PM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:15 PM - 4:45 PM

Minor Periods

7:43 PM - 9:13 PM
8:35 AM - 10:05 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:32 PM
Sunset: 7:55 PM
Daylight: 12 hrs 46 mins
Moonrise: 9:05 AM
Moon Transit: 2:45 PM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:15 PM - 4:45 PM

Minor Periods

7:43 PM - 9:13 PM
8:35 AM - 10:05 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:31 PM
Sunset: 7:52 PM
Daylight: 12 hrs 42 mins
Moonrise: 10:21 AM
Moon Transit: 3:31 PM
Moonset: 8:30 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:01 PM - 5:31 PM

Minor Periods

8:00 PM - 9:30 PM
9:51 AM - 11:21 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:31 PM
Sunset: 7:52 PM
Daylight: 12 hrs 42 mins
Moonrise: 10:21 AM
Moon Transit: 3:31 PM
Moonset: 8:30 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:01 PM - 5:31 PM

Minor Periods

8:00 PM - 9:30 PM
9:51 AM - 11:21 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 1:31 PM
Sunset: 7:50 PM
Daylight: 12 hrs 39 mins
Moonrise: 11:34 AM
Moon Transit: 4:17 PM
Moonset: 8:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
3:47 PM - 6:17 PM

Minor Periods

8:20 PM - 9:50 PM
11:04 AM - 12:34 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 1:31 PM
Sunset: 7:50 PM
Daylight: 12 hrs 39 mins
Moonrise: 11:34 AM
Moon Transit: 4:17 PM
Moonset: 8:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
3:47 PM - 6:17 PM

Minor Periods

8:20 PM - 9:50 PM
11:04 AM - 12:34 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:31 PM
Sunset: 7:48 PM
Daylight: 12 hrs 35 mins
Moonrise: 12:48 AM
Moon Transit: 5:04 PM
Moonset: 9:14 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
4:34 PM - 7:04 PM

Minor Periods

8:44 PM - 10:14 PM
12:18 AM - 1:48 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:31 PM
Sunset: 7:48 PM
Daylight: 12 hrs 35 mins
Moonrise: 12:48 AM
Moon Transit: 5:04 PM
Moonset: 9:14 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:52 AM - 3:22 AM
4:34 PM - 7:04 PM

Minor Periods

8:44 PM - 10:14 PM
12:18 AM - 1:48 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:30 PM
Sunset: 7:46 PM
Daylight: 12 hrs 32 mins
Moonrise: 1:58 PM
Moon Transit: 5:54 PM
Moonset: 9:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

1:40 AM - 4:10 AM
5:24 PM - 7:54 PM

Minor Periods

9:16 PM - 10:46 PM
1:28 PM - 2:58 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:30 PM
Sunset: 7:46 PM
Daylight: 12 hrs 32 mins
Moonrise: 1:58 PM
Moon Transit: 5:54 PM
Moonset: 9:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

1:40 AM - 4:10 AM
5:24 PM - 7:54 PM

Minor Periods

9:16 PM - 10:46 PM
1:28 PM - 2:58 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:30 PM
Sunset: 7:44 PM
Daylight: 12 hrs 28 mins
Moonrise: 3:02 PM
Moon Transit: 6:45 PM
Moonset: 10:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
6:15 PM - 8:45 PM

Minor Periods

9:56 PM - 11:26 PM
2:32 PM - 4:02 PM

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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