Upper Madison is running hot but well managed, holding steady at 1,300 to 1,500 cfs out of Hebgen Dam under an afternoon hoot owl closure.

Higher-than-usual flows have been the Upper's insurance policy, and the fishing has stayed steady right through the heat. The formula this week is disciplined rather than clever.

The Upper is right where a late July Madison should be, and both Bozeman shops used the same phrase for it this week: fishing well. The Lower is on hoot owl and running hot.

The heat wave finally bought itself a complication. The same thunderstorms that swept the region this weekend put real mud in the Upper Madison, and the shops are blunt about it: keep expectations modest and fish it deep until the tributaries clear.

The Upper Madison is in peak summer dry-fly form and the easiest river in the region to have a good day on right now, provided you work around the heat and fish the Lower early.

The Madison is holding the steady summer pattern it settled into last week, and the story has not changed so much as sharpened: the Upper river is the clear play and the Lower is warming into its dog-days rhythm. Hebgen is topped off, so the Upper is getting consistent, healthy releases.

The Madison is in full summer form and the Upper river is the star, squarely in peak dry-fly season with caddis, PMDs, and Yellow Sallies through the day.

The Madison is the outlier: it barely noticed the storm.

The holiday setup is strong: Hebgen is refilled, the salmonfly hatch has pushed up to Three Dollar Bridge with Golden Stones right behind, and the Upper is one of the better places in Montana to spend a day. Fish the Lower early before it warms.

The first Madison run drawing on two new Bozeman shops alongside Slide Inn, so the Upper and Lower break out cleanly: a fractured but real salmonfly hatch is racing up the Upper while the Lower fishes a warm-water summer dry-dropper pattern.

The Upper has fished decently through a windy stretch, but with Hebgen full the dam is ramping releases and the river is coming up and coloring. The salmonfly hatch should be underway.

The Upper Madison has fished decently over the last several weeks, with wind and weather the dominant variable rather than water. That is changing now as Hebgen ramps releases.

The Upper Madison has fished decently over the last several weeks, with wind the dominant variable rather than water. That is changing now.

The Upper Madison has fished decently over the last several weeks, with wind the dominant variable rather than the water. That is changing now.

Rising flows all week as a full Hebgen finally spills; nymphing remains the workhorse and the salmonfly clock starts ticking, with streamers set to improve as the river fills in.

Fishing on the Upper Madison has been pretty decent over the last several weeks, with wind the main complaint rather than the water. The bigger story this week is rising flows: Hebgen is essentially full, so the dam is finally sending water downstream.

The Upper Madison has fished decently with wind the main limiter. The bigger story now is rising water out of Hebgen, which should turn on the streamer bite and set up the salmonfly emergence around mid-month.

The forecast Hebgen release bump is underway, with Varney up sharply; expect more color and a shift toward the big-bug game and a better streamer bite as flows build.

Fishing well after the front cleared the water, with about 3 feet of green-tinged visibility; flows are extremely low, so it is a small-bug nymph game up high until Hebgen bumps.

The Upper clears to a green tinge after a cold front with the Quake-to-Lyons wade stretch productive; flows are very low for late May, keeping it a small-bug nymph game.