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

Current Water Temperature

57.9°F

Measurement Time: Tuesday, September 8, 2026, 2:45 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

51°F
Partly Cloudy
Partly Cloudy
90%
S 1 mph
48°F

Weather Forecast

Partly Cloudy
Tonight
46°F - Partly Cloudy
Mostly Sunny
Wednesday
69°F - Mostly Sunny
Partly Cloudy
Wednesday Night
47°F - Partly Cloudy
Mostly Sunny
Thursday
72°F - Mostly Sunny
Showers And Thunderstorms
Thursday Night
46°F - Showers And Thunderstorms
Showers And Thunderstorms then Chance Showers And Thunderstorms
Friday
58°F - Showers And Thunderstorms then Chance Showers And Thunderstorms
Mostly Cloudy
Friday Night
42°F - Mostly Cloudy
Mostly Cloudy
Saturday
58°F - Mostly Cloudy
Chance Light Rain
Saturday Night
39°F - Chance Light Rain
Chance Light Rain
Sunday
58°F - Chance Light Rain
Chance Light Rain
Sunday Night
39°F - Chance Light Rain
Mostly Sunny
Monday
61°F - Mostly Sunny
Mostly Clear
Monday Night
41°F - Mostly Clear
Mostly Sunny
Tuesday
63°F - Mostly Sunny

Astronomical

Sunrise: 7:04 AM
Sun Transit: 1:33 PM
Sunset: 8:03 PM
Daylight: 12 hrs 59 mins
Moonrise: 3:45 AM
Moon Transit: 11:35 AM
Moonset: 7:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

8:12 PM - 10:42 PM
11:05 AM - 1:35 PM

Minor Periods

6:36 PM - 8:06 PM
3:15 AM - 4:45 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: 7:04 AM
Sun Transit: 1:33 PM
Sunset: 8:03 PM
Daylight: 12 hrs 59 mins
Moonrise: 3:45 AM
Moon Transit: 11:35 AM
Moonset: 7:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

8:12 PM - 10:42 PM
11:05 AM - 1:35 PM

Minor Periods

6:36 PM - 8:06 PM
3:15 AM - 4:45 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: 7:05 AM
Sun Transit: 1:33 PM
Sunset: 8:01 PM
Daylight: 12 hrs 56 mins
Moonrise: 5:10 AM
Moon Transit: 12:26 AM
Moonset: 7:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

6:55 PM - 8:25 PM
4:40 AM - 6:10 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: 7:05 AM
Sun Transit: 1:33 PM
Sunset: 8:01 PM
Daylight: 12 hrs 56 mins
Moonrise: 5:10 AM
Moon Transit: 12:26 AM
Moonset: 7:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

6:55 PM - 8:25 PM
4:40 AM - 6:10 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: 7:06 AM
Sun Transit: 1:33 PM
Sunset: 7:59 PM
Daylight: 12 hrs 52 mins
Moonrise: 6:31 AM
Moon Transit: 1:14 PM
Moonset: 7:42 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:44 AM - 3:14 PM

Minor Periods

7:12 PM - 8:42 PM
6:01 AM - 7:31 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: 7:06 AM
Sun Transit: 1:33 PM
Sunset: 7:59 PM
Daylight: 12 hrs 52 mins
Moonrise: 6:31 AM
Moon Transit: 1:14 PM
Moonset: 7:42 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:44 AM - 3:14 PM

Minor Periods

7:12 PM - 8:42 PM
6:01 AM - 7:31 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: 7:08 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

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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