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

Current Water Temperature

38.3°F

Measurement Time: Tuesday, March 24, 2026, 9:45 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)
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)
Orofino River, Orofino, ID (166.1 mi)

Weather for Columbia Falls, Montana

Current Weather

46°F
Overcast
Overcast
45.5°F
51.9°F
76%
S 2.7 mph
3.2 mph
49.4°F
47.5°F
0.07 in
100%
9 mi
1010 mbar
0.2

Five Day Weather Forecast

Moderate rain
Tue
H: 54°F
L: 39°F
Overcast
Wed
H: 41°F
L: 31°F
Partly Cloudy
Thu
H: 37°F
L: 26°F
Sunny
Fri
H: 47°F
L: 20°F
Partly Cloudy
Sat
H: 51°F
L: 23°F

Air Quality

AQI: 1 - Good
PM2.5: 9.05 μg/m3
PM10: 11.65 μg/m3
Carbon Monoxide: 153.85 μg/m3
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 12:00 AM
Sunset: 7:55 PM
Daylight: 12 hrs 25 mins
Moonrise: 10:12 AM
Moon Transit: 7:00 PM
Moonset: 2:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
6:30 PM - 9:00 PM

Minor Periods

9:42 AM - 11:12 AM
2:13 AM - 3:43 AM

Action Rating: 2 out of 5

Wind Advisory issued March 24 at 11:33AM MDT until March 25 at 7:00PM MDT by NWS Missoula MT

Effective: Tue March 24, 2026, 11:33 AM
Expires: Wed March 25, 2026, 11:45 AM

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. Localized gusts to 55 mph in typical wind prone areas. * WHERE...Flathead/Mission Valleys and West Glacier Region. * WHEN...From 8 AM to 7 PM MDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued March 24 at 11:33AM MDT until March 25 at 7:00PM MDT by NWS Missoula MT

Effective: Tue March 24, 2026, 11:33 AM
Expires: Wed March 25, 2026, 11:45 AM

* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. Localized gusts to 55 mph in typical wind prone areas. * WHERE...Kootenai/Cabinet Region. * WHEN...From 6 AM to 7 PM MDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Tuesday, March 24, 2026

Weather Forecast

Moderate rain
53.6°F
38.8°F
45.2°F
64%
0.72 in
86%
0%
4.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 8.93 μg/m3
PM10: 11.09 μg/m3
Carbon Monoxide: 168.93 μg/m3
Nitrogen Dioxide: 4.72 μg/m3
Sulphur Dioxide: 12.15 μg/m3
Ozone: 100.32 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 12:00 AM
Sunset: 7:55 PM
Daylight: 12 hrs 25 mins
Moonrise: 10:12 AM
Moon Transit: 7:00 PM
Moonset: 2:43 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
6:30 PM - 9:00 PM

Minor Periods

9:42 AM - 11:12 AM
2:13 AM - 3:43 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Overcast
41.4°F
31.2°F
40.1°F
75%
0 in
0%
0%
17.2 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 5.39 μg/m3
PM10: 6.94 μg/m3
Carbon Monoxide: 139.61 μg/m3
Nitrogen Dioxide: 2.74 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 87.76 μg/m3

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:00 AM
Sunset: 7:57 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:14 AM
Moon Transit: 8:02 PM
Moonset: 3:51 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

3:41 AM - 6:11 AM
7:32 PM - 10:02 PM

Minor Periods

10:44 AM - 12:14 AM
3:21 AM - 4:51 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Partly Cloudy
36.5°F
26.2°F
30.4°F
59%
0 in
0%
0%
16.8 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.13 μg/m3
PM10: 4.13 μg/m3
Carbon Monoxide: 151.09 μg/m3
Nitrogen Dioxide: 2.17 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 102.08 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:00 AM
Sunset: 7:58 PM
Daylight: 12 hrs 32 mins
Moonrise: 12:30 AM
Moon Transit: 9:02 PM
Moonset: 4:42 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

4:42 AM - 7:12 AM
8:32 PM - 11:02 PM

Minor Periods

12:00 AM - 1:30 PM
4:12 AM - 5:42 AM

Action Rating: 3 out of 5

Friday, March 27, 2026

Weather Forecast

Sunny
46.6°F
19.6°F
31.7°F
51%
0 in
0%
0%
4.3 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 5.86 μg/m3
Carbon Monoxide: 160.08 μg/m3
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 105.92 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:00 AM
Sunset: 8:00 PM
Daylight: 12 hrs 36 mins
Moonrise: 1:50 PM
Moon Transit: 9:57 PM
Moonset: 5:19 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
9:27 PM - 11:57 PM

Minor Periods

1:20 PM - 2:50 PM
4:49 AM - 6:19 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Partly Cloudy
50.6°F
23.3°F
36°F
64%
0 in
0%
0%
4 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 4.13 μg/m3
PM10: 6.19 μg/m3
Carbon Monoxide: 184.85 μg/m3
Nitrogen Dioxide: 5.6 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 103.31 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 8:01 PM
Daylight: 12 hrs 39 mins
Moonrise: 3:11 PM
Moon Transit: 10:48 PM
Moonset: 5:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Minor Periods

2:41 PM - 4:11 PM
5:16 AM - 6:46 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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