Missouri River — hatch chart + live conditions
World-class tailwater below Holter Dam near Craig. Midge and BWO hatches year-round; PMD and trico dominate summer. Massive rainbows in clear, slow water — demanding presentations required.
Top 3 dry flies for June
12-month hatch chart
| Month | blue wing olive | caddis | green drake | midge | october caddis | pale morning dun | skwala | terrestrial | trico |
|---|---|---|---|---|---|---|---|---|---|
| January | ● | ● | |||||||
| February | ● | ● | |||||||
| March | ● | ● | ● | ||||||
| April | ● | ● | ● | ||||||
| May | ● | ● | ● | ||||||
| June · now | ● | ● | ● | ||||||
| July | ● | ● | ● | ● | |||||
| August | ● | ● | ● | ● | |||||
| September | ● | ● | ● | ||||||
| October | ● | ● | ● | ||||||
| November | ● | ● | |||||||
| December | ● |
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Frequently asked
What are the best months to fish the Missouri River?
Best months: April, May, June, July, August, September, October.
What flies hatch on the Missouri River in June?
Active hatches this month: pale morning dun, caddis, green drake.
What species are in the Missouri River?
Primary: rainbow trout, brown trout. World-class tailwater below Holter Dam near Craig. Midge and BWO hatches year-round; PMD and trico dominate summer. Massive rainbows in clear, slow water — demanding presentations required.
Are there special fishing regulations on the Missouri River?
No special-regulation section is listed here — standard Montana trout regulations apply. Check MT FWP before fishing.
How do I check live water conditions on the Missouri River?
The live USGS reading is shown at the top of this page (site 06054500). It refreshes hourly.
Related
Fly recommender · All Montana rivers · All regions · All fly patterns