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

Current Water Temperature

59.9°F

Measurement Time: Sunday, July 27, 2025, 9:45 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

63°F
Clear
Conditions: Clear
Humidity: 70%
Feels Like: 63°F
Wind: NE 2.9 mph
Wind Gusts: 6.1 mph
Pressure: 30.07 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Mon
H: 82°F
L: 54°F
Sunny
Tue
H: 84°F
L: 56°F
Sunny
Wed
H: 82°F
L: 60°F
Patchy rain nearby
Thu
H: 90°F
L: 52°F
Patchy rain nearby
Fri
H: 80°F
L: 51°F

Air Quality

PM2.5: 11.29 μg/m3
PM10: 11.47 μg/m3
Carbon Monoxide: 231.25 μg/m3
Nitrogen Dioxide: 1.48 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:42 PM
Sunset: 9:18 PM
Daylight: 15 hrs 11 mins
Moonrise: 10:35 AM
Moon Transit: 4:54 PM
Moonset: 11:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
4:24 PM - 6:54 PM

Minor Periods

12:00 AM - 12:00 AM
10:05 AM - 11:35 AM

Action Rating: 2 out of 5

Monday, July 28, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.7°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 4.3 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 6.81 μg/m3
PM10: 7.14 μg/m3
Carbon Monoxide: 246.2 μg/m3
Nitrogen Dioxide: 8.18 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 77.72 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:42 PM
Sunset: 9:18 PM
Daylight: 15 hrs 11 mins
Moonrise: 10:35 AM
Moon Transit: 4:54 PM
Moonset: 11:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
4:24 PM - 6:54 PM

Minor Periods

12:00 AM - 12:00 AM
10:05 AM - 11:35 AM

Action Rating: 2 out of 5

Tuesday, July 29, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.5°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 8.13 μg/m3
PM10: 8.73 μg/m3
Carbon Monoxide: 227.77 μg/m3
Nitrogen Dioxide: 9.08 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 77.56 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:42 PM
Sunset: 9:16 PM
Daylight: 15 hrs 8 mins
Moonrise: 11:43 AM
Moon Transit: 5:35 PM
Moonset: 12:01 AM
Moon Phase: Waxing Crescent
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

1:27 AM - 3:57 AM
5:05 PM - 7:35 PM

Minor Periods

11:13 AM - 12:43 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72.4°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 5.99 μg/m3
Carbon Monoxide: 224.15 μg/m3
Nitrogen Dioxide: 6 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 83.08 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:42 PM
Sunset: 9:15 PM
Daylight: 15 hrs 6 mins
Moonrise: 12:52 AM
Moon Transit: 6:15 PM
Moonset: 12:14 AM
Moon Phase: Waxing Crescent
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
5:45 PM - 8:15 PM

Minor Periods

12:22 AM - 1:52 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 31, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 71°F
Average Humidity: 56%
Chance of Rain: 88%
Wind: 7.8 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 3.89 μg/m3
PM10: 4.11 μg/m3
Carbon Monoxide: 290.59 μg/m3
Nitrogen Dioxide: 10.9 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 65.23 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:42 PM
Sunset: 9:14 PM
Daylight: 15 hrs 3 mins
Moonrise: 2:01 PM
Moon Transit: 6:57 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
6:27 PM - 8:57 PM

Minor Periods

1:31 PM - 3:01 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 1, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 59.9°F
Average Humidity: 83%
Chance of Rain: 89%
Wind: 6.9 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: 6:12 AM
Sun Transit: 1:42 PM
Sunset: 9:12 PM
Daylight: 15 hrs mins
Moonrise: 3:10 PM
Moon Transit: 7:40 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
7:10 PM - 9:40 PM

Minor Periods

2:40 PM - 4:10 PM
12:00 AM - 12:00 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.

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