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

Current Water Temperature

50.4°F

Measurement Time: Monday, September 28, 2026, 6:45 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

57°F
Sunny
Sunny
42%
SW 2 mph
34°F

Weather Forecast

Sunny
This Afternoon
62°F - Sunny
Mostly Clear
Tonight
41°F - Mostly Clear
Partly Sunny
Tuesday
62°F - Partly Sunny
Light Rain Likely
Tuesday Night
46°F - Light Rain Likely
Chance Light Rain then Partly Sunny
Wednesday
62°F - Chance Light Rain then Partly Sunny
Partly Cloudy
Wednesday Night
41°F - Partly Cloudy
Partly Sunny
Thursday
64°F - Partly Sunny
Partly Cloudy
Thursday Night
43°F - Partly Cloudy
Chance Light Rain
Friday
66°F - Chance Light Rain
Partly Cloudy
Friday Night
43°F - Partly Cloudy
Mostly Sunny
Saturday
66°F - Mostly Sunny
Mostly Clear
Saturday Night
41°F - Mostly Clear
Mostly Sunny
Sunday
67°F - Mostly Sunny
Partly Cloudy
Sunday Night
43°F - Partly Cloudy

Astronomical

Sunrise: 7:31 AM
Sun Transit: 1:26 PM
Sunset: 7:21 PM
Daylight: 11 hrs 50 mins
Moonrise: 7:49 PM
Moon Transit: 2:39 AM
Moonset: 10:09 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
11:15 AM - 1:45 PM

Minor Periods

7:19 PM - 8:49 PM
9:39 AM - 11:09 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: 7:31 AM
Sun Transit: 1:26 PM
Sunset: 7:21 PM
Daylight: 11 hrs 50 mins
Moonrise: 7:49 PM
Moon Transit: 2:39 AM
Moonset: 10:09 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
11:15 AM - 1:45 PM

Minor Periods

7:19 PM - 8:49 PM
9:39 AM - 11:09 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: 7:31 AM
Sun Transit: 1:26 PM
Sunset: 7:21 PM
Daylight: 11 hrs 50 mins
Moonrise: 7:49 PM
Moon Transit: 2:39 AM
Moonset: 10:09 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
11:15 AM - 1:45 PM

Minor Periods

7:19 PM - 8:49 PM
9:39 AM - 11:09 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: 7:33 AM
Sun Transit: 1:26 PM
Sunset: 7:19 PM
Daylight: 11 hrs 46 mins
Moonrise: 8:17 PM
Moon Transit: 3:31 AM
Moonset: 11:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
12:09 AM - 2:39 PM

Minor Periods

7:47 PM - 9:17 PM
11:03 AM - 12:33 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: 7:33 AM
Sun Transit: 1:26 PM
Sunset: 7:19 PM
Daylight: 11 hrs 46 mins
Moonrise: 8:17 PM
Moon Transit: 3:31 AM
Moonset: 11:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
12:09 AM - 2:39 PM

Minor Periods

7:47 PM - 9:17 PM
11:03 AM - 12:33 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: 7:34 AM
Sun Transit: 1:26 PM
Sunset: 7:17 PM
Daylight: 11 hrs 43 mins
Moonrise: 8:54 PM
Moon Transit: 4:28 AM
Moonset: 12:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
1:07 PM - 3:37 PM

Minor Periods

8:24 PM - 9:54 PM
12:26 AM - 1:56 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: 7:34 AM
Sun Transit: 1:26 PM
Sunset: 7:17 PM
Daylight: 11 hrs 43 mins
Moonrise: 8:54 PM
Moon Transit: 4:28 AM
Moonset: 12:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
1:07 PM - 3:37 PM

Minor Periods

8:24 PM - 9:54 PM
12:26 AM - 1:56 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: 7:36 AM
Sun Transit: 1:25 PM
Sunset: 7:15 PM
Daylight: 11 hrs 39 mins
Moonrise: 9:44 PM
Moon Transit: 5:28 AM
Moonset: 2:14 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
2:09 PM - 4:39 PM

Minor Periods

9:14 PM - 10:44 PM
1:44 PM - 3:14 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: 7:36 AM
Sun Transit: 1:25 PM
Sunset: 7:15 PM
Daylight: 11 hrs 39 mins
Moonrise: 9:44 PM
Moon Transit: 5:28 AM
Moonset: 2:14 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
2:09 PM - 4:39 PM

Minor Periods

9:14 PM - 10:44 PM
1:44 PM - 3:14 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: 7:37 AM
Sun Transit: 1:25 PM
Sunset: 7:13 PM
Daylight: 11 hrs 36 mins
Moonrise: 10:50 PM
Moon Transit: 6:31 AM
Moonset: 3:18 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
3:12 PM - 5:42 PM

Minor Periods

10:20 PM - 11:50 PM
2:48 PM - 4:18 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: 7:37 AM
Sun Transit: 1:25 PM
Sunset: 7:13 PM
Daylight: 11 hrs 36 mins
Moonrise: 10:50 PM
Moon Transit: 6:31 AM
Moonset: 3:18 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
3:12 PM - 5:42 PM

Minor Periods

10:20 PM - 11:50 PM
2:48 PM - 4:18 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: 7:38 AM
Sun Transit: 1:25 PM
Sunset: 7:11 PM
Daylight: 11 hrs 32 mins
Moonrise: 12:07 PM
Moon Transit: 7:33 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
4:13 PM - 6:43 PM

Minor Periods

12:00 AM - 12:00 AM
3:37 PM - 5:07 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: 7:38 AM
Sun Transit: 1:25 PM
Sunset: 7:11 PM
Daylight: 11 hrs 32 mins
Moonrise: 12:07 PM
Moon Transit: 7:33 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

7:03 AM - 9:33 AM
4:13 PM - 6:43 PM

Minor Periods

12:00 AM - 12:00 AM
3:37 PM - 5:07 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: 7:40 AM
Sun Transit: 1:24 PM
Sunset: 7:09 PM
Daylight: 11 hrs 29 mins
Moonrise: 12:07 AM
Moon Transit: 8:33 AM
Moonset: 4:43 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
5:11 PM - 7:41 PM

Minor Periods

4:13 PM - 5:43 PM
12:00 AM - 12:00 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: 7:40 AM
Sun Transit: 1:24 PM
Sunset: 7:09 PM
Daylight: 11 hrs 29 mins
Moonrise: 12:07 AM
Moon Transit: 8:33 AM
Moonset: 4:43 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
5:11 PM - 7:41 PM

Minor Periods

4:13 PM - 5:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 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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