Missouri River - Below Holter Dam, Montana Fly Fishing Reports & Conditions
Fly Fishing Map of Missouri River, MT
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Missouri River - Below Holter Dam, Montana Fly Fishing Reports & Conditions
My tips of the week
Missouri flows have stabilized and plenty of bugs (PMDs and caddis) are on the river. Dry-fly fishing has improved, but nymphing remains the ticket for success on most days.
Fishing Conditions

Fly Fishing Missouri River is currently Good

Water flow: 7260 CFS (normally 8520 CFS)

Visibility: 50 inches

Water temperature at mid-day: 57 Degrees F

Water condition: Clear

Best time of day to fish: Late Morning & Evening

Best stretch: Holter Dam to Stickney

Best access point: Holter Dam, Wolf Creek Bridge, Craig, Stickney, Mid-Canon, Mountain Palace, Prewett Creek

Fly fishing hatches in order of importance:

Pale Morning Dun, Caddis

Fish species: Rainbow Trout, Brown Trout, and Whitefish

Fishing season: Summer

Nearest airport: Helena, Great Falls

Missouri, Below Holter Dam Description

One of the largest and most easily accessed rivers in Montana is the Missouri River. The mighty MO' is certainly a trout factory! Three reservoirs in a row make this tailwater fishery have a constant water flow and stable temperatures from day to day. Amazingly fertile, with prolific hatches of mayflies, caddis, and midges, the Missouri is a 365 day river. You'll see fish rising just about every day of the ...

Techniques & Tips

Carry a mix of caddis and PMD imitations, along with an arsenal of the usual Mo' nymphs (sowbugs, scuds, etc.) with enough weight to reach the desired depth in moderately high flows.

7-Day Forecast

As conditions continue to improve for summer hatches on the Missouri, fish will likely key in on the food source, making for better action on the surface. The cloudy days ahead could also make for great streamer fishing.


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