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

Current Water Temperature

38.1°F

Measurement Time: Friday, March 6, 2026, 5:45 AM MST

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

44.1°F
Partly cloudy
Partly cloudy
41°F
44.6°F
53%
WSW 5.4 mph
6.2 mph
41.3°F
29.5°F
0 in
75%
9 mi
1021 mbar
3

Five Day Weather Forecast

Sunny
Fri
H: 52°F
L: 29°F
Overcast
Sat
H: 41°F
L: 33°F
Moderate rain
Sun
H: 40°F
L: 35°F
Moderate snow
Mon
H: 35°F
L: 23°F
Moderate or heavy snow showers
Tue
H: 33°F
L: 16°F

Air Quality

AQI: 1 - Good
PM2.5: 2.25 μg/m3
PM10: 2.45 μg/m3
Carbon Monoxide: 170.85 μg/m3
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:47 AM
Sunset: 6:29 PM
Daylight: 11 hrs 21 mins
Moonrise: 10:40 PM
Moon Transit: 2:50 AM
Moonset: 8:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
11:23 AM - 1:53 PM

Minor Periods

10:10 PM - 11:40 PM
7:31 AM - 9:01 AM

Action Rating: 3 out of 5

High Wind Watch issued March 6 at 10:30AM MST until March 9 at 11:00AM MST by NWS Missoula MT

Effective: Fri March 6, 2026, 10:30 AM
Expires: Sat March 7, 2026, 5:00 PM

* WHAT...Southwest winds 30 to 40 mph with widespread gusts of 50 mph. Isolated gusts to 65 mph possible, especially in the higher terrain. * WHERE...Flathead/Mission Valleys, Kootenai/Cabinet Region, West Glacier Region, Bitterroot/Sapphire Mountains, Butte/Blackfoot Region, Lower Clark Fork Region, Missoula/Bitterroot Valleys, and Potomac/Seeley Lake Region. * WHEN...From Sunday afternoon through Monday morning. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

Monitor the latest forecasts and warnings for updates.
Friday, March 6, 2026

Weather Forecast

Sunny
52.2°F
28.6°F
38.8°F
63%
0 in
0%
0%
5.8 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 2.01 μg/m3
PM10: 2.15 μg/m3
Carbon Monoxide: 167.65 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 77.08 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:47 AM
Sunset: 6:29 PM
Daylight: 11 hrs 21 mins
Moonrise: 10:40 PM
Moon Transit: 2:50 AM
Moonset: 8:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
11:23 AM - 1:53 PM

Minor Periods

10:10 PM - 11:40 PM
7:31 AM - 9:01 AM

Action Rating: 3 out of 5

Saturday, March 7, 2026

Weather Forecast

Overcast
41°F
33.3°F
36.8°F
97%
0 in
0%
0%
6.5 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.18 μg/m3
PM10: 2.31 μg/m3
Carbon Monoxide: 159.13 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 74.2 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:47 AM
Sunset: 6:30 PM
Daylight: 11 hrs 25 mins
Moonrise: 11:51 PM
Moon Transit: 3:33 AM
Moonset: 8:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
12:07 AM - 2:37 PM

Minor Periods

12:00 AM - 12:00 AM
7:48 AM - 9:18 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Moderate rain
40.3°F
34.6°F
39.1°F
93%
0.51 in
88%
0%
21.3 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.52 μg/m3
PM10: 3.89 μg/m3
Carbon Monoxide: 141.81 μg/m3
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 68.52 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:46 AM
Sunset: 6:32 PM
Daylight: 11 hrs 28 mins
Moonrise: 12:51 AM
Moon Transit: 4:18 AM
Moonset: 8:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:48 AM - 6:18 AM
12:53 AM - 3:23 PM

Minor Periods

8:09 AM - 9:39 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, March 9, 2026

Weather Forecast

Moderate snow
34.8°F
23°F
30°F
65%
0.04 in
76%
23%
17 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.12 μg/m3
PM10: 4.23 μg/m3
Carbon Monoxide: 141.83 μg/m3
Nitrogen Dioxide: 1.93 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 104.48 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:46 AM
Sunset: 6:33 PM
Daylight: 11 hrs 32 mins
Moonrise: 1:01 AM
Moon Transit: 5:06 AM
Moonset: 9:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

4:36 AM - 7:06 AM
1:41 PM - 4:11 PM

Minor Periods

8:35 AM - 10:05 AM
12:31 AM - 2:01 AM

Action Rating: 3 out of 5

Tuesday, March 10, 2026

Weather Forecast

Moderate or heavy snow showers
32.9°F
16.3°F
25.8°F
68%
0.12 in
67%
69%
14.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 4.5 μg/m3
PM10: 6.13 μg/m3
Carbon Monoxide: 171.6 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 102.67 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:46 AM
Sunset: 6:35 PM
Daylight: 11 hrs 35 mins
Moonrise: 2:09 AM
Moon Transit: 5:55 AM
Moonset: 9:39 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
2:32 PM - 5:02 PM

Minor Periods

9:09 AM - 10:39 AM
1:39 AM - 3:09 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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