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

Current Water Temperature

50.9°F

Measurement Time: Thursday, June 12, 2025, 8:45 PM MDT

Temperature Locations

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Local Points of Interest

Hungry Horse, MT

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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 / 942 meters

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 (114.0 mi)
Kootenai River, Copeland, ID (114.4 mi)
Kootenai River, Porthill, ID (121.0 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

48.9°F
Mist
Conditions: Mist
Humidity: 97%
Feels Like: 49.2°F
Wind: ESE 2.2 mph
Wind Gusts: 4.2 mph
Pressure: 29.85 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Fri
H: 66°F
L: 51°F
Sunny
Sat
H: 73°F
L: 47°F
Cloudy
Sun
H: 72°F
L: 50°F
Sunny
Mon
H: 79°F
L: 41°F
Sunny
Tue
H: 77°F
L: 47°F

Air Quality

PM2.5: 3.7 μg/m3
PM10: 4.63 μg/m3
Carbon Monoxide: 236.8 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:36 PM
Sunset: 9:38 PM
Daylight: 16 hrs 4 mins
Moonrise: 12:37 AM
Moon Transit: 3:21 AM
Moonset: 7:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

2:51 AM - 5:21 AM
11:59 AM - 2:29 PM

Minor Periods

6:42 AM - 8:12 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Special Weather Statement issued June 13 at 12:14AM MDT by NWS Great Falls MT

Effective: Fri June 13, 2025, 12:14 AM
Expires: Fri June 13, 2025, 3:15 AM

Patchy fog is developing along the Hi-Line and over portions of Fergus County tonight and may become more widespread as the night progresses. Variable visibility reductions down to a half mile or less can be expected across short distances. Travelers should be prepared for rapid changes in visibility on area roadways through Friday morning.


Friday, June 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 58.1°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 5.02 μg/m3
PM10: 6.48 μg/m3
Carbon Monoxide: 245.01 μg/m3
Nitrogen Dioxide: 6.01 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 90.08 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:36 PM
Sunset: 9:38 PM
Daylight: 16 hrs 4 mins
Moonrise: 12:37 AM
Moon Transit: 3:21 AM
Moonset: 7:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

2:51 AM - 5:21 AM
11:59 AM - 2:29 PM

Minor Periods

6:42 AM - 8:12 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, June 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.9°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 7.39 μg/m3
PM10: 9.91 μg/m3
Carbon Monoxide: 257.52 μg/m3
Nitrogen Dioxide: 7.1 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 82.76 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:36 PM
Sunset: 9:39 PM
Daylight: 16 hrs 5 mins
Moonrise: 12:12 AM
Moon Transit: 4:14 AM
Moonset: 8:25 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
12:51 AM - 3:21 PM

Minor Periods

7:55 AM - 9:25 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, June 15, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 62.5°F
Average Humidity: 37%
Chance of Rain: 0%
Wind: 3.8 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 5.87 μg/m3
PM10: 7.88 μg/m3
Carbon Monoxide: 273.5 μg/m3
Nitrogen Dioxide: 7.73 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 99.44 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:36 PM
Sunset: 9:39 PM
Daylight: 16 hrs 5 mins
Moonrise: 12:39 AM
Moon Transit: 5:05 AM
Moonset: 9:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

4:35 AM - 7:05 AM
1:41 PM - 4:11 PM

Minor Periods

9:12 AM - 10:42 AM
12:09 AM - 1:39 AM

Action Rating: 2 out of 5

Monday, June 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.5°F
Average Humidity: 41%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 8.21 μg/m3
PM10: 11.04 μg/m3
Carbon Monoxide: 292.02 μg/m3
Nitrogen Dioxide: 10.15 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 94.15 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:37 PM
Sunset: 9:40 PM
Daylight: 16 hrs 5 mins
Moonrise: 1:00 AM
Moon Transit: 5:54 AM
Moonset: 11:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
2:30 PM - 5:00 PM

Minor Periods

10:30 AM - 12:00 AM
12:30 AM - 2:00 AM

Action Rating: 3 out of 5

Tuesday, June 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 58.3°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 0

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: 5:34 AM
Sun Transit: 1:37 PM
Sunset: 9:40 PM
Daylight: 16 hrs 6 mins
Moonrise: 1:17 AM
Moon Transit: 6:40 AM
Moonset: 12:18 AM
Moon Phase: Last Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
3:15 PM - 5:45 PM

Minor Periods

11:48 AM - 1:18 PM
12:47 AM - 2:17 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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