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

Current Water Temperature

39.2°F

Measurement Time: Friday, April 11, 2025, 3:45 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 / 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

46.9°F
Clear
Conditions: Clear
Humidity: 44%
Feels Like: 47°F
Wind: SSE 2.2 mph
Wind Gusts: 3.3 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Fri
H: 52°F
L: 40°F
Cloudy
Sat
H: 43°F
L: 32°F
Sunny
Sun
H: 47°F
L: 23°F
Sunny
Mon
H: 52°F
L: 24°F
Patchy rain nearby
Tue
H: 57°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 6.48 μg/m3
PM10: 9.81 μg/m3
Carbon Monoxide: 314.5 μg/m3
Nitrogen Dioxide: 7.59 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 105 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:37 PM
Sunset: 8:22 PM
Daylight: 13 hrs 29 mins
Moonrise: 7:24 PM
Moon Transit: 12:25 AM
Moonset: 6:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:57 AM - 11:27 AM

Minor Periods

6:54 PM - 8:24 PM
5:52 AM - 7:22 AM

Action Rating: 4 out of 5

Lake Wind Advisory issued April 11 at 11:42AM MDT until April 12 at 8:00PM MDT by NWS Missoula MT

Effective: Fri April 11, 2025, 11:42 AM
Expires: Sat April 12, 2025, 8:00 PM

* WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph expected Flathead Lake. The strongest winds are expected on the southern portions of the lake, especially around Wildhorse Island. * WHERE...Flathead/Mission Valleys. * WHEN...From 1 PM to 8 PM MDT Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft.


Lake Wind Advisory issued April 11 at 11:42AM MDT until April 12 at 8:00PM MDT by NWS Missoula MT

Effective: Fri April 11, 2025, 11:42 AM
Expires: Sat April 12, 2025, 8:00 PM

* WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph expected Flathead Lake. The strongest winds are expected on the southern portions of the lake, especially around Wildhorse Island. * WHERE...Flathead/Mission Valleys. * WHEN...From 1 PM to 8 PM MDT Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft.
Friday, April 11, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 46.9°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 10.49 μg/m3
PM10: 23.75 μg/m3
Carbon Monoxide: 319.31 μg/m3
Nitrogen Dioxide: 3.24 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 102.4 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:37 PM
Sunset: 8:22 PM
Daylight: 13 hrs 29 mins
Moonrise: 7:24 PM
Moon Transit: 12:25 AM
Moonset: 6:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:57 AM - 11:27 AM

Minor Periods

6:54 PM - 8:24 PM
5:52 AM - 7:22 AM

Action Rating: 4 out of 5

Saturday, April 12, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 38.7°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 5.24 μg/m3
PM10: 8.72 μg/m3
Carbon Monoxide: 314.65 μg/m3
Nitrogen Dioxide: 4.71 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 109.84 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:36 PM
Sunset: 8:24 PM
Daylight: 13 hrs 32 mins
Moonrise: 8:31 PM
Moon Transit: 1:05 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
9:37 AM - 12:07 AM

Minor Periods

8:01 PM - 9:31 PM
6:05 AM - 7:35 AM

Action Rating: 4 out of 5

Sunday, April 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 34.6°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 5.1 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 5.34 μg/m3
PM10: 8.79 μg/m3
Carbon Monoxide: 313.24 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 97.68 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:36 PM
Sunset: 8:25 PM
Daylight: 13 hrs 36 mins
Moonrise: 9:40 PM
Moon Transit: 1:45 AM
Moonset: 6:49 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

1:15 AM - 3:45 AM
10:18 AM - 12:48 AM

Minor Periods

9:10 PM - 10:40 PM
6:19 AM - 7:49 AM

Action Rating: 3 out of 5

Monday, April 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 37.7°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 6.76 μg/m3
PM10: 10.84 μg/m3
Carbon Monoxide: 336.03 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 104.12 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:36 PM
Sunset: 8:27 PM
Daylight: 13 hrs 39 mins
Moonrise: 10:50 PM
Moon Transit: 2:27 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 94.9%

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
11:01 AM - 1:31 PM

Minor Periods

10:20 PM - 11:50 PM
6:35 AM - 8:05 AM

Action Rating: 4 out of 5

Tuesday, April 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 40.4°F
Average Humidity: 73%
Chance of Rain: 89%
Wind: 13.9 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 8.31 μg/m3
PM10: 13.55 μg/m3
Carbon Monoxide: 350.79 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 106.08 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:36 PM
Sunset: 8:28 PM
Daylight: 13 hrs 43 mins
Moonrise: 12:00 PM
Moon Transit: 3:11 AM
Moonset: 7:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

12:00 AM - 12:00 AM
6:56 AM - 8:26 AM

Action Rating: 3 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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