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

Current Water Temperature

38.3°F

Measurement Time: Saturday, March 14, 2026, 11:45 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

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

9°F
Clear
Clear
5°F
16.1°F
91%
NE 2.2 mph
4.2 mph
15.8°F
10°F
0 in
0%
9 mi
1027 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sun
H: 33°F
L: 15°F
Overcast
Mon
H: 35°F
L: 23°F
Overcast
Tue
H: 45°F
L: 30°F
Fog
Wed
H: 38°F
L: 31°F
Fog
Thu
H: 48°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 6.05 μg/m3
Carbon Monoxide: 184.85 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 1:44 PM
Sunset: 7:42 PM
Daylight: 11 hrs 53 mins
Moonrise: 6:38 AM
Moon Transit: 11:10 AM
Moonset: 3:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

7:45 PM - 10:15 PM
10:40 AM - 1:10 PM

Minor Periods

3:23 PM - 4:53 PM
6:08 AM - 7:38 AM

Action Rating: 4 out of 5

Avalanche Warning issued March 14 at 7:54AM MDT by NWS Missoula MT

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat March 14, 2026, 7:54 AM
Expires: Sun March 15, 2026, 8:00 AM

AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 07:00 PDT Sat Mar 14 2026 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 079 (Shoshone County) * WHAT...An Avalanche Warning is in effect from Saturday 7 AM PDT to Sunday 7 AM PDT. Very dangerous avalanche conditions developed Wednesday night from heavy snowfall and strong to extreme winds, and these hazardous conditions are lasting through Sunday due to continued heavy snowfall in specific locations and sustained winds strong enough to transport the abundant new snow. A person's weight or a rider on a machine can very easily trigger avalanches large enough to bury or kill them, and some slides will release naturally. * WHERE...The Bitterroot Mountains - Silver Valley and the East Cabinet Mountains above 4,000 feet. * WHEN...In effect from Sat 07:00 PDT to Sun 07:00 PDT. * IMPACTS...An atmospheric river and violent jet stream joined forces to deliver heavy snowfall and strong to extreme winds to the Inland Northwest. Wind speeds peaked on Wednesday night and have subsided considerably since then, however an uptick is expected on Saturday with gusts reaching 40 to 50 mph possible. The sustained moderate to heavy snowfall is being measured in multiple feet at higher elevations and winds are forecasted to remain strong enough to cause significant transport and redistribution of snow. The recent snowfall has formed dangerous slabs of snow and will likely cause a widespread cycle of natural avalanches large enough to bury, injure, or kill a person. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions exist in the mountains and widespread areas of unstable snow are expected. The largest slides may run long distances and can run into mature forests, valley floors, or flat terrain. Travel in or near avalanche terrain is not recommended and should be avoided during this period of significant instability. Consult http://www.idahopanhandleavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.


Avalanche Warning issued March 14 at 7:49AM MDT by NWS Missoula MT

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat March 14, 2026, 7:49 AM
Expires: Sun March 15, 2026, 8:00 AM

AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 07:00 PDT Sat Mar 14 2026 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 079 (Shoshone County) * WHAT...An Avalanche Warning is in effect from Saturday 7 AM PST to Sunday 7 AM PST. Very dangerous avalanche conditions developed Wednesday night from heavy snowfall and strong to extreme winds, and these hazardous conditions are lasting through Sunday due to continued heavy snowfall in specific locations and sustained winds strong enough to transport the abundant new snow. A person's weight or a rider on a machine can very easily trigger avalanches large enough to bury or kill them, and some slides will release naturally. * WHERE...The Bitterroot Mountains - Silver Valley and the East Cabinet Mountains above 4,000 feet. * WHEN...In effect from Sat 07:00 PDT to Sun 07:00 PDT. * IMPACTS...An atmospheric river and violent jet stream joined forces to deliver heavy snowfall and strong to extreme winds to the Inland Northwest. Wind speeds peaked on Wednesday night and have subsided considerably since then, however an uptick is expected on Saturday with gusts reaching 40 to 50 mph possible. The sustained moderate to heavy snowfall is being measured in multiple feet at higher elevations and winds are forecasted to remain strong enough to cause significant transport and redistribution of snow. The recent snowfall has formed dangerous slabs of snow and will likely cause a widespread cycle of natural avalanches large enough to bury, injure, or kill a person. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions exist in the mountains and widespread areas of unstable snow are expected. The largest slides may run long distances and can run into mature forests, valley floors, or flat terrain. Travel in or near avalanche terrain is not recommended and should be avoided during this period of significant instability. Consult http://www.idahopanhandleavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.


Sunday, March 15, 2026

Weather Forecast

Partly Cloudy
33.3°F
15.3°F
24°F
63%
0 in
0%
6%
4.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 6.18 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 184.37 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 92.4 μg/m3

Astronomical

Sunrise: 7:49 AM
Sun Transit: 1:44 PM
Sunset: 7:42 PM
Daylight: 11 hrs 53 mins
Moonrise: 6:38 AM
Moon Transit: 11:10 AM
Moonset: 3:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

7:45 PM - 10:15 PM
10:40 AM - 1:10 PM

Minor Periods

3:23 PM - 4:53 PM
6:08 AM - 7:38 AM

Action Rating: 4 out of 5

Monday, March 16, 2026

Weather Forecast

Overcast
35.2°F
22.8°F
29.5°F
92%
0 in
0%
0%
5.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 4.81 μg/m3
Carbon Monoxide: 160.21 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 105.92 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:00 AM
Sunset: 7:43 PM
Daylight: 11 hrs 56 mins
Moonrise: 6:57 AM
Moon Transit: 11:57 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

8:32 PM - 11:02 PM
11:27 AM - 1:57 PM

Minor Periods

4:39 PM - 6:09 PM
6:27 AM - 7:57 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Overcast
45.1°F
30.4°F
37.6°F
93%
0 in
0%
0%
7.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.63 μg/m3
PM10: 6.43 μg/m3
Carbon Monoxide: 140.57 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:00 AM
Sunset: 7:45 PM
Daylight: 12 hrs mins
Moonrise: 7:14 AM
Moon Transit: 12:43 AM
Moonset: 6:27 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

9:18 PM - 11:48 PM
12:13 AM - 2:43 PM

Minor Periods

5:57 PM - 7:27 PM
6:44 AM - 8:14 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Fog
38.3°F
30.8°F
33.5°F
98%
0.03 in
62%
22%
5.8 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 5.52 μg/m3
PM10: 6.13 μg/m3
Carbon Monoxide: 145.09 μg/m3
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 98.28 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:00 AM
Sunset: 7:46 PM
Daylight: 12 hrs 4 mins
Moonrise: 7:30 AM
Moon Transit: 11:31 PM
Moonset: 7:46 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

7:16 PM - 8:46 PM
7:00 AM - 8:30 AM

Action Rating: 3 out of 5

Thursday, March 19, 2026

Weather Forecast

Fog
47.7°F
32.4°F
35.3°F
96%
0 in
0%
0%
4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 5.06 μg/m3
Carbon Monoxide: 167.2 μg/m3
Nitrogen Dioxide: 4.87 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 92.38 μg/m3

Astronomical

Sunrise: 7:41 AM
Sun Transit: 12:00 AM
Sunset: 7:48 PM
Daylight: 12 hrs 7 mins
Moonrise: 7:45 AM
Moon Transit: 2:17 PM
Moonset: 9:07 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:47 PM - 4:17 PM

Minor Periods

8:37 PM - 10:07 PM
7:15 AM - 8:45 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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