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

Current Water Temperature

59.0°F

Measurement Time: Thursday, September 3, 2026, 11:45 AM MDT

Temperature Locations

View Nearby Locations     View All Montana Locations     View Locations Near Me

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

61°F
Partly Cloudy
Partly Cloudy
55%
SW 2 mph
45°F

Weather Forecast

Mostly Cloudy then Chance Rain
Tonight
44°F - Mostly Cloudy then Chance Rain
Chance Light Rain then Partly Sunny
Friday
64°F - Chance Light Rain then Partly Sunny
Chance Light Rain
Friday Night
44°F - Chance Light Rain
Chance Light Rain then Chance Showers And Thunderstorms
Saturday
67°F - Chance Light Rain then Chance Showers And Thunderstorms
Light Rain Likely
Saturday Night
44°F - Light Rain Likely
Chance Light Rain then Chance Showers And Thunderstorms
Sunday
69°F - Chance Light Rain then Chance Showers And Thunderstorms
Showers And Thunderstorms Likely then Rain Likely
Sunday Night
48°F - Showers And Thunderstorms Likely then Rain Likely
Rain then Showers And Thunderstorms
Labor Day
62°F - Rain then Showers And Thunderstorms
Rain Likely
Monday Night
45°F - Rain Likely
Chance Light Rain
Tuesday
63°F - Chance Light Rain
Mostly Cloudy
Tuesday Night
44°F - Mostly Cloudy
Mostly Sunny
Wednesday
68°F - Mostly Sunny
Partly Cloudy
Wednesday Night
46°F - Partly Cloudy
Mostly Sunny
Thursday
70°F - Mostly Sunny

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

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: 6:59 AM
Sun Transit: 1:34 PM
Sunset: 8:09 PM
Daylight: 13 hrs 10 mins
Moonrise: 12:48 AM
Moon Transit: 8:37 AM
Moonset: 5:22 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
5:18 PM - 7:48 PM

Minor Periods

4:52 PM - 6:22 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: 6:59 AM
Sun Transit: 1:34 PM
Sunset: 8:09 PM
Daylight: 13 hrs 10 mins
Moonrise: 12:48 AM
Moon Transit: 8:37 AM
Moonset: 5:22 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
5:18 PM - 7:48 PM

Minor Periods

4:52 PM - 6:22 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: 7:01 AM
Sun Transit: 1:34 PM
Sunset: 8:07 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:59 AM
Moon Transit: 9:39 AM
Moonset: 6:08 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

6:19 PM - 8:49 PM
9:09 AM - 11:39 AM

Minor Periods

5:38 PM - 7:08 PM
12:29 AM - 1:59 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: 7:01 AM
Sun Transit: 1:34 PM
Sunset: 8:07 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:59 AM
Moon Transit: 9:39 AM
Moonset: 6:08 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

6:19 PM - 8:49 PM
9:09 AM - 11:39 AM

Minor Periods

5:38 PM - 7:08 PM
12:29 AM - 1:59 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: 7:02 AM
Sun Transit: 1:34 PM
Sunset: 8:05 PM
Daylight: 13 hrs 3 mins
Moonrise: 2:20 AM
Moon Transit: 10:39 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

7:18 PM - 9:48 PM
10:09 AM - 12:39 AM

Minor Periods

6:11 PM - 7:41 PM
1:50 AM - 3:20 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: 7:02 AM
Sun Transit: 1:34 PM
Sunset: 8:05 PM
Daylight: 13 hrs 3 mins
Moonrise: 2:20 AM
Moon Transit: 10:39 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

7:18 PM - 9:48 PM
10:09 AM - 12:39 AM

Minor Periods

6:11 PM - 7:41 PM
1:50 AM - 3:20 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: 7:04 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

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.

Webcams Near Columbia Falls, MT