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South Fork Flathead River - Photo 1
Photo: Flathead Lake-Glacier National Park (33281218100) by m01229 from USA (CC BY-SA 2.0) License

South Fork Flathead River

River

Cool todaycamping-nearby

river in Montana, USA

Current water conditions

Cold
Water temp
58°F
14°C
Streamflow
2,980 ft³/s
discharge
Gage height
6.24 ft
water level
Cold water. Cold-water shock risk. Sudden immersion can trigger involuntary gasping, and cold can sap a strong swimmer's strength within minutes. Enter slowly, never swim alone, and consider a wetsuit.

Live, provisional data from USGS gauge S F Flathead River nr Columbia Falls MT (1 mi away), as of Aug 21, 4:45 AM gauge-local time. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories and local guidance before swimming or paddling.

Weather at South Fork Flathead River

H: 90° L: 59°
Clear
Clear
62°
|
Feels like 58°
Precipitation
4%
Humidity
46%
Wind
5 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Clear
70°
3 AM
Clear
65°
6 AM
Overcast
61°
9 AM
Partly Cloudy
68°
12 PM
Overcast
84°
3 PM
Sunny
88°
6 PM
Overcast
87°
9 PM
Overcast
69°

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Frequently asked questions

Where is South Fork Flathead River?
South Fork Flathead River is a river in Montana.
What is the water temperature at South Fork Flathead River?
As of August 21, 2026, the water temperature at South Fork Flathead River in Montana is 58°F (14°C), measured by USGS gauge 12362500, 1 mile away.
Can you swim at South Fork Flathead River?
There is no fixed answer for South Fork Flathead River: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at South Fork Flathead River in Montana. Check current water conditions before you go, and follow posted signs and local guidance.
How is South Fork Flathead River rated?
South Fork Flathead River in Montana has an average visitor rating of 4.8 out of 5, based on 51 reviews.
What amenities does South Fork Flathead River have?
Visitor-listed amenities at South Fork Flathead River include camping-nearby.

Visitor Reviews

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Best Times to Visit

🧥
Right Now
Cool weather - dress warmly
🌊 Rivers & Streams Tips:
  • Check water levels and current conditions before visiting
  • Wear life jackets when on the water
  • Be aware of rapids and potential hazards
  • Respect private property along riverbanks
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Montana

Montana None

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Amenities

Camping nearby