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

Current Water Temperature

58.6°F

Measurement Time: Thursday, August 27, 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

76°F
Mostly Cloudy
Mostly Cloudy
48%
S 1 mph
55°F

Weather Forecast

Partly Sunny
This Afternoon
86°F - Partly Sunny
Patchy Smoke then Mostly Clear
Tonight
51°F - Patchy Smoke then Mostly Clear
Sunny
Friday
80°F - Sunny
Mostly Cloudy
Friday Night
49°F - Mostly Cloudy
Slight Chance Light Rain then Partly Sunny
Saturday
73°F - Slight Chance Light Rain then Partly Sunny
Chance Light Rain
Saturday Night
46°F - Chance Light Rain
Chance Light Rain
Sunday
66°F - Chance Light Rain
Slight Chance Light Rain then Partly Cloudy
Sunday Night
43°F - Slight Chance Light Rain then Partly Cloudy
Sunny
Monday
74°F - Sunny
Mostly Clear
Monday Night
47°F - Mostly Clear
Mostly Sunny
Tuesday
79°F - Mostly Sunny
Partly Cloudy then Slight Chance Light Rain
Tuesday Night
48°F - Partly Cloudy then Slight Chance Light Rain
Slight Chance Light Rain
Wednesday
72°F - Slight Chance Light Rain
Slight Chance Light Rain
Wednesday Night
45°F - Slight Chance Light Rain

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:37 PM
Sunset: 8:28 PM
Daylight: 13 hrs 40 mins
Moonrise: 8:19 PM
Moon Transit: 12:58 AM
Moonset: 6:07 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
9:32 AM - 12:02 AM

Minor Periods

7:49 PM - 9:19 PM
5:37 AM - 7:07 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: 6:47 AM
Sun Transit: 1:37 PM
Sunset: 8:28 PM
Daylight: 13 hrs 40 mins
Moonrise: 8:19 PM
Moon Transit: 12:58 AM
Moonset: 6:07 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
9:32 AM - 12:02 AM

Minor Periods

7:49 PM - 9:19 PM
5:37 AM - 7:07 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: 6:47 AM
Sun Transit: 1:37 PM
Sunset: 8:28 PM
Daylight: 13 hrs 40 mins
Moonrise: 8:19 PM
Moon Transit: 12:58 AM
Moonset: 6:07 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
9:32 AM - 12:02 AM

Minor Periods

7:49 PM - 9:19 PM
5:37 AM - 7:07 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: 6:49 AM
Sun Transit: 1:37 PM
Sunset: 8:26 PM
Daylight: 13 hrs 37 mins
Moonrise: 8:34 PM
Moon Transit: 1:42 AM
Moonset: 7:19 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
10:16 AM - 12:46 AM

Minor Periods

8:04 PM - 9:34 PM
6:49 AM - 8:19 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: 6:49 AM
Sun Transit: 1:37 PM
Sunset: 8:26 PM
Daylight: 13 hrs 37 mins
Moonrise: 8:34 PM
Moon Transit: 1:42 AM
Moonset: 7:19 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:12 AM - 3:42 AM
10:16 AM - 12:46 AM

Minor Periods

8:04 PM - 9:34 PM
6:49 AM - 8:19 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: 6:50 AM
Sun Transit: 1:37 PM
Sunset: 8:24 PM
Daylight: 13 hrs 34 mins
Moonrise: 8:49 PM
Moon Transit: 2:26 AM
Moonset: 8:33 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
12:00 AM - 12:00 AM

Minor Periods

8:19 PM - 9:49 PM
8:03 AM - 9:33 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: 6:50 AM
Sun Transit: 1:37 PM
Sunset: 8:24 PM
Daylight: 13 hrs 34 mins
Moonrise: 8:49 PM
Moon Transit: 2:26 AM
Moonset: 8:33 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:56 AM - 4:26 AM
12:00 AM - 12:00 AM

Minor Periods

8:19 PM - 9:49 PM
8:03 AM - 9:33 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: 6:51 AM
Sun Transit: 1:36 PM
Sunset: 8:22 PM
Daylight: 13 hrs 30 mins
Moonrise: 9:04 PM
Moon Transit: 12:00 AM
Moonset: 9:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:44 AM - 2:14 PM

Minor Periods

8:34 PM - 10:04 PM
9:18 AM - 10:48 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: 6:51 AM
Sun Transit: 1:36 PM
Sunset: 8:22 PM
Daylight: 13 hrs 30 mins
Moonrise: 9:04 PM
Moon Transit: 12:00 AM
Moonset: 9:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:44 AM - 2:14 PM

Minor Periods

8:34 PM - 10:04 PM
9:18 AM - 10:48 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: 6:53 AM
Sun Transit: 1:36 PM
Sunset: 8:19 PM
Daylight: 13 hrs 27 mins
Moonrise: 9:22 PM
Moon Transit: 3:56 AM
Moonset: 11:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
12:31 AM - 3:01 PM

Minor Periods

8:52 PM - 10:22 PM
10:35 AM - 12:05 AM

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: 6:53 AM
Sun Transit: 1:36 PM
Sunset: 8:19 PM
Daylight: 13 hrs 27 mins
Moonrise: 9:22 PM
Moon Transit: 3:56 AM
Moonset: 11:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
12:31 AM - 3:01 PM

Minor Periods

8:52 PM - 10:22 PM
10:35 AM - 12:05 AM

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: 6:54 AM
Sun Transit: 1:36 PM
Sunset: 8:17 PM
Daylight: 13 hrs 23 mins
Moonrise: 9:44 PM
Moon Transit: 4:44 AM
Moonset: 12:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
1:21 PM - 3:51 PM

Minor Periods

9:14 PM - 10:44 PM
11:56 AM - 1:26 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: 6:54 AM
Sun Transit: 1:36 PM
Sunset: 8:17 PM
Daylight: 13 hrs 23 mins
Moonrise: 9:44 PM
Moon Transit: 4:44 AM
Moonset: 12:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
1:21 PM - 3:51 PM

Minor Periods

9:14 PM - 10:44 PM
11:56 AM - 1:26 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: 6:55 AM
Sun Transit: 1:35 PM
Sunset: 8:15 PM
Daylight: 13 hrs 20 mins
Moonrise: 10:14 PM
Moon Transit: 5:37 AM
Moonset: 1:48 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
2:14 PM - 4:44 PM

Minor Periods

9:44 PM - 11:14 PM
1:18 PM - 2:48 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: 6:55 AM
Sun Transit: 1:35 PM
Sunset: 8:15 PM
Daylight: 13 hrs 20 mins
Moonrise: 10:14 PM
Moon Transit: 5:37 AM
Moonset: 1:48 PM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
2:14 PM - 4:44 PM

Minor Periods

9:44 PM - 11:14 PM
1:18 PM - 2:48 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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