Water Temperature of the South Fork Flathead River in Columbia Falls, MT
Current Water Temperature
Measurement Time: Saturday, July 25, 2026, 11:01 PM MDT
Temperature Locations
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Local Points of Interest
Hungry Horse, MTStation 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)Clark Fork River, Superior, MT (89.4 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)
Weather for Columbia Falls, Montana
Current Weather

Five Day Weather Forecast

Sun
H: 89°F
L: 56°F

Mon
H: 84°F
L: 49°F

Tue
H: 89°F
L: 46°F

Wed
H: 86°F
L: 49°F

Thu
H: 89°F
L: 45°F
Air Quality
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 98 μg/m3
Astronomical
Sun Transit: 1:42 PM
Sunset: 9:21 PM
Daylight: 15 hrs 17 mins
Moon Transit: 11:52 PM
Moonset: 2:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM12:00 AM - 12:00 AM
Minor Periods
7:39 PM - 9:09 PM2:10 AM - 3:40 AM
Action Rating: 3 out of 5
Heat Advisory issued July 25 at 1:27PM MDT until July 26 at 9:00PM MDT by NWS Great Falls MT
Effective: Sat July 25, 2026, 1:27 PM
Expires: Sun July 26, 2026, 4:30 AM
* WHAT...High temperatures up to 100 degrees expected. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The heat will peak on today. While temperatures will not be quite as hot Sunday, highs will still be in the mid to upper 90s.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. If you must spend time outdoors, wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 25 at 10:40PM MDT until July 26 at 9:00PM MDT by NWS Great Falls MT
Effective: Sat July 25, 2026, 10:40 PM
Expires: Sun July 26, 2026, 1:45 PM
* WHAT...Hot Conditions. High temperatures of between 90 and 95 degrees. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If you must spend time outdoors, wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.19 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 85.25 μg/m3
Astronomical
Sun Transit: 1:42 PM
Sunset: 9:21 PM
Daylight: 15 hrs 17 mins
Moon Transit: 11:52 PM
Moonset: 2:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM12:00 AM - 12:00 AM
Minor Periods
7:39 PM - 9:09 PM2:10 AM - 3:40 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.64 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 93.42 μg/m3
Astronomical
Sun Transit: 1:42 PM
Sunset: 9:19 PM
Daylight: 15 hrs 14 mins
Moon Transit: 12:00 AM
Moonset: 3:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM8:28 AM - 10:58 AM
Minor Periods
8:17 PM - 9:47 PM3:09 AM - 4:39 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.62 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 102.96 μg/m3
Astronomical
Sun Transit: 1:42 PM
Sunset: 9:18 PM
Daylight: 15 hrs 12 mins
Moon Transit: 12:42 AM
Moonset: 4:45 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:12 AM - 2:42 AM9:18 AM - 11:48 AM
Minor Periods
8:45 PM - 10:15 PM4:15 AM - 5:45 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 92.75 μg/m3
Astronomical
Sun Transit: 1:42 PM
Sunset: 9:17 PM
Daylight: 15 hrs 9 mins
Moon Transit: 1:31 AM
Moonset: 5:56 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
1:01 AM - 3:31 AM10:06 AM - 12:36 AM
Minor Periods
9:07 PM - 10:37 PM5:26 AM - 6:56 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.49 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 80.14 μg/m3
Astronomical
Sun Transit: 1:42 PM
Sunset: 9:15 PM
Daylight: 15 hrs 6 mins
Moon Transit: 2:17 AM
Moonset: 7:08 AM
Moon Phase: Full
Moon Illumination: 97.1%
Best Times for Fishing or Hunting
Major Periods
1:47 AM - 4:17 AM10:51 AM - 1:21 PM
Minor Periods
9:26 PM - 10:56 PM6:38 AM - 8:08 AM
Action Rating: 5 out of 5
