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

Current Water Temperature

53.8°F

Measurement Time: Thursday, July 2, 2026, 11:45 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

55°F
Overcast
Overcast
56°F
53.8°F
83%
E 2.2 mph
4.2 mph
54.4°F
38.8°F
0 in
100%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 78°F
L: 50°F
Sunny
Sat
H: 78°F
L: 43°F
Sunny
Sun
H: 80°F
L: 44°F
Sunny
Mon
H: 83°F
L: 45°F
Sunny
Tue
H: 85°F
L: 48°F

Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 3.4 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 9.5 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:40 PM
Sunset: 9:40 PM
Daylight: 16 hrs mins
Moonrise: 12:31 AM
Moon Transit: 4:19 AM
Moonset: 9:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
12:53 AM - 3:23 PM

Minor Periods

8:48 AM - 10:18 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Flood Advisory issued July 2 at 1:30PM MDT until July 3 at 1:30PM MDT by NWS Great Falls MT

Effective: Thu July 2, 2026, 1:30 PM
Expires: Fri July 3, 2026, 1:30 PM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northwestern Glacier County in north central Montana... * WHEN...Until 130 PM MDT Friday. * IMPACTS...Minor flooding continues to affect recreational areas in the Many Glacier area on the east side of Glacier National Park. * ADDITIONAL DETAILS... - At 125 PM MDT, local law enforcement reported ongoing minor flooding in the warned area. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Many Glacier, on the east side of Glacier National Park.

Flooding is occurring or is imminent. Campers and hikers should avoid streams or creeks until the water recedes.
Friday, July 3, 2026

Weather Forecast

Sunny
77.9°F
49.7°F
64.3°F
47%
0 in
2%
0%
7.2 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 3.58 μg/m3
Carbon Monoxide: 106.17 μg/m3
Nitrogen Dioxide: 3.76 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 80.5 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:40 PM
Sunset: 9:40 PM
Daylight: 16 hrs mins
Moonrise: 12:31 AM
Moon Transit: 4:19 AM
Moonset: 9:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
12:53 AM - 3:23 PM

Minor Periods

8:48 AM - 10:18 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
78.4°F
43.1°F
61.3°F
53%
0 in
2%
0%
13.9 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 2.53 μg/m3
PM10: 3.11 μg/m3
Carbon Monoxide: 105.17 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 85.92 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:40 PM
Sunset: 9:40 PM
Daylight: 15 hrs 58 mins
Moonrise: 12:49 AM
Moon Transit: 5:03 AM
Moonset: 10:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

4:33 AM - 7:03 AM
1:36 PM - 4:06 PM

Minor Periods

10:00 AM - 11:30 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
79.7°F
43.7°F
61.8°F
44%
0 in
2%
0%
8.7 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 3.49 μg/m3
Carbon Monoxide: 108.71 μg/m3
Nitrogen Dioxide: 2.72 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 94.96 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:40 PM
Sunset: 9:39 PM
Daylight: 15 hrs 57 mins
Moonrise: 12:04 AM
Moon Transit: 5:45 AM
Moonset: 11:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
2:19 PM - 4:49 PM

Minor Periods

11:11 AM - 12:41 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, July 6, 2026

Weather Forecast

Sunny
82.6°F
44.5°F
63°F
61%
0 in
4%
0%
5.6 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 2.91 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 109.46 μg/m3
Nitrogen Dioxide: 4.67 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 70.08 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:41 PM
Sunset: 9:39 PM
Daylight: 15 hrs 56 mins
Moonrise: 12:19 AM
Moon Transit: 11:15 AM
Moonset: 12:54 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

10:45 AM - 1:15 PM
10:45 AM - 1:15 PM

Minor Periods

12:24 AM - 1:54 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, July 7, 2026

Weather Forecast

Sunny
85.1°F
47.5°F
66.8°F
58%
0 in
3%
0%
6.7 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.99 μg/m3
PM10: 4.44 μg/m3
Carbon Monoxide: 139.29 μg/m3
Nitrogen Dioxide: 13.54 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:41 PM
Sunset: 9:38 PM
Daylight: 15 hrs 55 mins
Moonrise: 12:34 AM
Moon Transit: 7:13 AM
Moonset: 2:10 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

6:43 AM - 9:13 AM
3:48 PM - 6:18 PM

Minor Periods

1:40 PM - 3:10 PM
12:04 AM - 1:34 AM

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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