7-day U.S. Geological Survey chart
Recent flow
Discharge
1,760 cfs869 cfs
Sep 5Sep 11
Latest reading: 1,400 cfs. Stable over about 6 hours. Chart covers Sep 5 through Sep 11; readings are provisional and may be revised.
All Montana reports
North Fork Flathead River
Photo: Joe Mabel (on Flickr as Joe Mabel from Seattle, US) Opens in a new tab. · CC BY-SA 3.0
Should I go fishing?
Go with caution.
Flow is high for this time of year.
Best option: Floating. A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.
Fishing rating64
Rating updatedRiver local time:
Why this recommendation?
USGS shows 1,410 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1940-2024, 85 readings) show a median near 1,030 cfs and the upper quartile near 1,230 cfs; today's flow is high for the date. Fishable water may exist, but do not rate it highly without a safe access, clarity, and wading or boat plan.
Available live dataHighHow much of the live flow, weather, and alert data came back.
Confidence in this recommendationHighCurrent flow, weather, alerts, and trip-critical signals support this decision.
Usually checks again about every 45 minutes
If you go
- Check first
- Use USGS 12355500 for lower North Fork trend and wading safety.
- Try
- Use the gauge and road status before committing to long remote access.
- Leave when
- Skip or pivot when runoff is high, roads are uncertain, Glacier or Forest Service rules do not fit the plan, fire or smoke affects access, water is too warm for cutthroat handling, or remote travel gear is not ready.
Flow and weather
Showing server-checked river conditions while current readings refresh.
- Flow
- 1,400 cfs
- Stable over about 6 hoursU.S. Geological Survey may revise this readingWater 56.7°F · 24h high 57.7°F · USGS provisional
- Air forecast
- 47°F
- Next 24h high
- 60.0°F
NWS air forecast near
- Rain chance
- 3%
Latest stored weather check
Mostly Cloudy
- Wind
- 5 mph
- Weather checked
More forecast and source details
Mostly Cloudy
National Weather Service
North Fork Flathead near Columbia Falls
The National Weather Service forecast is temporarily unavailable.
Live data
Where these readings come from
Current U.S. Geological Survey gauge: North Fork Flathead River near Columbia Falls
Stable over about 6 hoursU.S. Geological Survey may revise this readingObserved
Water 56.7°F · provisional · 24h high 57.7°F provisionalWater observed · high observed
Flies for this time of year
Seasonal starting points, not a live hatch report. Match what you see on the water.
- Blue-Winged Olive PatternsBWOView fly guide ↗
- Soft-Hackle Wet Fliessoft hackleView fly guide ↗
- Sculpin Patternssmall sculpinView fly guide ↗
- Leech PatternsleechView fly guide ↗
See flies for every season
SeasonWhat to look forFlies to try
Spring
What to look forMidges, BWOs, early stones, and cold-water nymphs
Late June to July
What to look forRunoff drop, caddis, PMDs, golden stones, and salmonfly leftovers
August
What to look forHoppers, ants, beetles, spruce moths where present, evening caddis
September to OctoberThis season
What to look forBWOs, October caddis, small baitfish, and cooling-water cutthroat windows
Flies to try
Each fly name opens its matching Fly Box guide.
More fishing tips
Methods, fish species and trip notes
How to fish North Fork Flathead River today.
The best North Fork days happen after runoff drops, roads are passable, and cool clear water lets cutthroat feed along seams and gravel edges. If flows are high or access is uncertain, wait.
High runoff
Cold and powerful. Postpone wading or use safer access until flows drop.
Dropping clear water
Fish attractor dries, caddis, stonefly nymphs, and soft inside seams.
Late summer low
Use stealth, smaller dries, shade, and temperature checks.
Storm or smoke
Recheck road, fire, weather, and emergency conditions before driving far.
Wading, bank fishing or floating?
Best access methodFloating
These scores compare the risks of wading, bank fishing, and floating.
Wading44/100
Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.
Bank fishingNot recommended
This report does not recommend bank fishing on this reach.
Floating · Best fit68/100
A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.
Full river report
Is North Fork Flathead River worth the trip today? Check flow, weather, hatches, access, and rules for Montana before you go.
The North Fork Flathead is a cold, remote border-country river. This page uses the North Fork near Columbia Falls gauge, not a generic Flathead River substitute, and keeps access and native-trout rules front and center.
Fishing words used on this page
- U.S. Geological Survey (USGS) gauge
- A USGS gauge is an official river station that measures flow or water height.
- Cubic feet per second (cfs)
- Cubic feet per second, or cfs, shows how much water passes the gauge each second.
- Nymph
- A nymph is a young water insect. Anglers also use the word for a fly that copies it.
- Seam
- A seam is the line where fast and slow water meet.
- Attractor fly
- An attractor fly is bright or bold. It draws a strike without copying one exact insect.
- Blue-winged olive (BWO)
- Blue-winged olives, or BWOs, are small mayflies that often hatch in cool or cloudy weather.
- Caddis
- Caddis are small water insects. The adults look a little like tiny moths.
- Confluence
- A confluence is the place where two streams or rivers meet.
- Emerger
- An emerger copies an insect as it rises from below the water toward the surface.
- Midge
- Midges are tiny flies and a common trout food, especially in cold water.
Why this call
Why this score
FlowUse caution
USGS shows 1,410 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1940-2024, 85 readings) show a median near 1,030 cfs and the upper quartile near 1,230 cfs; today's flow is high for the date. Fishable water may exist, but do not rate it highly without a safe access, clarity, and wading or boat plan.
Best mode nowUse caution
Float: A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.
SeasonHelps
Late summer: Attractor dries, terrestrials, and caddis are practical when water stays cool.
Water temperatureHelps
USGS water temperature is about 56.7F, and the rolling 24-hour high did not trigger a heat caution. USGS marks the temperature data provisional and may revise it.
Public alertsHelps
No active NWS alert was returned for this forecast point.
Trip notes
Check these before you choose a reach.
Use USGS 12355500 near Columbia Falls as the primary flow reference. Dropping clear water after runoff gives the best native-trout window. High cold water, storm jumps, smoke, or road uncertainty should move the plan to a safer option.
Skip or pivot when runoff is high, roads are uncertain, Glacier or Forest Service rules do not fit the plan, fire or smoke affects access, water is too warm for cutthroat handling, or remote travel gear is not ready.
Start with the North Fork gauge, road and fire context, and one legal access area. Then fish soft gravel edges, boulder cushions, and side channels without pushing into fast glacial current.
If the North Fork is high, smoky, road-limited, or too remote for the day, compare the Middle Fork Flathead for Hwy 2 access, the Kootenai for a larger below-dam plan, or the Blackfoot for a different native-trout-sensitive freestone.
North Fork Flathead River access and rules.
Use these places as starting points. Open the access link below and check posted signs before you park or enter.
Before you go
Montana FWP and Glacier National Park guidance include North Fork and native-trout rules. Check current rules, restrictions, and boundary details before fishing.
Where to access the river
Big Creek and lower North Fork
USFS access context and lower-river planning near the true North Fork gauge.
Polebridge area
Remote upper access with road, weather, and Glacier boundary planning.
Blankenship confluence area
Lower river context where the North Fork joins other Flathead water.
- The North Fork is remote. Road conditions, fire, weather, and bears matter as much as the hatch.
- Glacier National Park and Montana rules can differ by where you fish from. Check official guidance.
- Do not use generic Flathead River flow as a replacement for North Fork conditions.
Sources and report details
Official agencies and primary river operators come first. Secondary tools are labeled so you know what carries the most weight.
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
Flow and weather
Check the latest river reading and forecast before you leave.
Access and land
Check public entry points, land rules, and seasonal access changes.
More helpful links
Use these links for stocking, safety, and other local details.
See all 8 checked sources
Rules and closures
Check what is allowed, where the rule applies, and whether the river is open.
What this source covers
Open the current rules and check the river section, season, and special limits.
What this source covers
Open the current rules and check the river section, season, and special limits.
What this source covers
Open the current rules and check the river section, season, and special limits.
Flow and weather
Check the latest river reading and forecast before you leave.
What this source covers
Open this page and check the latest safety advice before your trip.
What this source covers
Open this river reading to check the latest level, flow, and update time.
Access and land
Check public entry points, land rules, and seasonal access changes.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
More helpful links
Use these links for stocking, safety, and other local details.
What this source covers
Open this page and check the latest safety advice before your trip.
How this report was checked
How this report was checked
Reviewed byBlueStreamFly River Review Team
Trip guidance checked
What was checked: This North Fork Flathead River report is maintained from USGS North Fork flow data, Montana FWP fishing regulations, current closure and restriction sources, Glacier National Park fishing and river-camping information, Flathead National Forest access and river regulation sources, weather, media-credit, and remote native-trout planning guidance.
Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.
First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.
Quick questions
What should I check first before fishing the North Fork Flathead River?
Check USGS 12355500, Glacier and FWP rules, road conditions, weather, fire or smoke status, and access logistics.
Are there special fishing rules on the North Fork Flathead River?
Yes. Native-trout protections, single-point hook context, and park boundary details can affect your plan.
What flies should I bring for the North Fork Flathead River?
Bring the hatch-chart flies, a few confidence nymphs, and a streamer box. Then adjust for water temperature, clarity, and the insects you actually see.
Can I wade the North Fork Flathead River?
Yes at some flows and bars, but it is cold remote water. Use official access and conservative wading.
When should I skip the North Fork Flathead River?
Skip it when flows are unsafe, temperatures stress trout, wildfire or emergency closures are active, or legal access for the reach is not clear.