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

Current Water Temperature

56.7°F

Measurement Time: Saturday, August 29, 2026, 8:45 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

69°F
Slight Chance Light Rain
Slight Chance Light Rain
43%
SSW 3 mph
46°F

Weather Forecast

Slight Chance Showers And Thunderstorms
This Afternoon
74°F - Slight Chance Showers And Thunderstorms
Patchy Smoke
Tonight
42°F - Patchy Smoke
Light Rain Likely
Sunday
63°F - Light Rain Likely
Patchy Smoke then Partly Cloudy
Sunday Night
41°F - Patchy Smoke then Partly Cloudy
Sunny
Monday
74°F - Sunny
Mostly Clear
Monday Night
46°F - Mostly Clear
Mostly Sunny
Tuesday
83°F - Mostly Sunny
Mostly Cloudy then Slight Chance Light Rain
Tuesday Night
50°F - Mostly Cloudy then Slight Chance Light Rain
Chance Light Rain
Wednesday
73°F - Chance Light Rain
Chance Light Rain
Wednesday Night
46°F - Chance Light Rain
Chance Light Rain
Thursday
70°F - Chance Light Rain
Chance Light Rain
Thursday Night
43°F - Chance Light Rain
Chance Light Rain
Friday
71°F - Chance Light Rain
Chance Light Rain
Friday Night
44°F - Chance Light Rain

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: 6:50 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

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: 6:57 AM
Sun Transit: 1:35 PM
Sunset: 8:13 PM
Daylight: 13 hrs 17 mins
Moonrise: 10:54 PM
Moon Transit: 6:33 AM
Moonset: 3:09 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
3:13 PM - 5:43 PM

Minor Periods

10:24 PM - 11:54 PM
2:39 PM - 4:09 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: 6:57 AM
Sun Transit: 1:35 PM
Sunset: 8:13 PM
Daylight: 13 hrs 17 mins
Moonrise: 10:54 PM
Moon Transit: 6:33 AM
Moonset: 3:09 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
3:13 PM - 5:43 PM

Minor Periods

10:24 PM - 11:54 PM
2:39 PM - 4:09 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: 6:58 AM
Sun Transit: 1:35 PM
Sunset: 8:11 PM
Daylight: 13 hrs 13 mins
Moonrise: 11:48 PM
Moon Transit: 7:34 AM
Moonset: 4:23 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

7:04 AM - 9:34 AM
4:15 PM - 6:45 PM

Minor Periods

12:00 AM - 12:00 AM
3:53 PM - 5:23 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: 6:58 AM
Sun Transit: 1:35 PM
Sunset: 8:11 PM
Daylight: 13 hrs 13 mins
Moonrise: 11:48 PM
Moon Transit: 7:34 AM
Moonset: 4:23 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

7:04 AM - 9:34 AM
4:15 PM - 6:45 PM

Minor Periods

12:00 AM - 12:00 AM
3:53 PM - 5:23 PM

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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