Due to wet weather and cooler temperatures, closures and restrictions were lifted on several rivers and sections of rivers at 2 p.m. on August 23rd.
All restrictions were lifted on all rivers in western Montana (Region 2) including:
Rains over the past several days also improved temperatures and flows in many rivers east of the Continental Divide. In southwest, south-central and north-central Montana (Regions 3, 4 and 5), fishing closures and restrictions were lifted on:
Fishing closures remain in place on the Big Hole River, Shields River and Red Rock Creek due to continued low flows in all three waterbodies.
Angling restrictions are implemented based on several considerations: stream flow, water temperatures, angling pressure and other angling restrictions in the area that may divert use to waterways where circumstances are increasing stress on the fishery.
See original article: Montana Fish, Wildlife & Parks