Nymphs that are working on the Missouri River right now are sow bugs, carpet flies, #18 zebra midges, #18 and 20 glints, #16 twiggy worms, #14 and 16 tiddly winks, #18 and 20 green machines, #16 and 18 physco princes, #18 flashback pheasant tails, and BWO nymphs #18.
Dries that are working in the shade or clouds are #16 and 18 parachute adams, #16 and 18 parachute purples, and #18-20 dry midge patterns.
Streamer fishing has been very slow. The Missouri River is low and fish are very spooky in the sun and shallow water. Look for runs 2 to 5 feet in depth for best fishing.