Madison River Hatch Chart
Knowing what’s hatching can make the difference between a good day on the Madison River and an unforgettable one. While weather, water temperatures, and river conditions can shift hatch timing from year to year, this Madison River Hatch Chart provides a reliable guide to the insects you’ll most likely encounter throughout the fishing season.
Whether you’re planning your first Montana fly fishing vacation or you’re a returning Madison River regular, use this chart as a starting point when selecting flies and planning your trip. Once you arrive, be sure to stop by the local fly shop for the latest conditions and the most productive patterns.
Baetis – Late April through May and September to November
Small Western Green Drake – July 15 to August 10
Midges – Year Round
Salmon Flies – June 23 – July 10
Yellow Stones – June 25 to July 15
Terrestrials – Late July thru mid September
Caddis – June 25 to August 30
Little Yellow Sally – July 15 to August 15
Pale Morning Duns – July 1 to August 15
Tricos – August and September
Find out what is hatching at the O’Dell Creek Fly Shop at the Rainbow Valley Lodge. Or reserve a day with Mike and his team of top-notch Madison River fishing guides at Riverborn Outfitters!
Madison River Hatch Guide
Plan Your Madison River Fly Fishing Vacation
The hatch chart is only the beginning. The Madison River fishes differently throughout the season, and successful anglers adjust their approach based on water levels, weather, and current insect activity.
Rainbow Valley Lodge is located just minutes from many of the Madison River’s most productive access points, making it an ideal home base for anglers exploring this legendary blue-ribbon trout fishery. Pair this hatch chart with our Madison River fishing information, local guide service, and comfortable lodging to make the most of your Montana fly fishing adventure.