There are heavy hatches of Little Yellow Stoneflies on the mountain trout streams. The Murray's Little Yellow Stonefly size 16 will catch many of the trout fished in the eddies on a 6X Leader. You will have better water levels by coming in from the heads of the streams.
Update from the Shenandoah National Park as of May 23, 2020. Shenandoah National Park has begun Phase One of its phased reopening plan. During this phase Old Rag, Whiteoak and their associated trails, as well as all boundary trailheads and picnic areas remain closed. Skyline Drive and other trails will be open from 5:00 a.m. to 10:00 p.m. Entry fees apply and restrooms are limited. For important information about what’s open and what’s closed and what you need to know, visit https://www.nps.gov/shen/phase-one.htm