Island Park / Ashton
Fall River
Live Conditions
Fall River — Near Squirrel
7-Day Flow
↓ Falling
24-Hr Pressure
24.52 inHg · ↓ Falling
Local Weather
Good window — fish are feeding
Today
☁️Overcast
74° / 42°
Tomorrow
☀️Clear sky
80° / 47°
Sat
☁️Overcast
77° / 58°
Sun
☁️Overcast
76° / 51°
Cold front incoming — go deep with nymphs, surface activity likely slow.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
One call. Specific to today's exact conditions on the Fall River.
9
Time of Day
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Fall River conditions.
🪰 Hatch Calendar
Fall River · June · Early Summer
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
⚠ Runoff season — check live gauge before driving
Peak runoff continuing early month. Salmonflies (size 4-6) possible in lower sections late month — a hidden Fall River hatch. Caddis (size 14-16) heavy. Post-runoff prime opening.
River Map
About Fall River
Tributary of Henry's Fork flowing out of Yellowstone's Bechler region into Ashton Reservoir. Wild cutthroat, browns, and rainbows in a less-pressured setting just south of the Henry's Fork itself.
Regulations
Standard Idaho trout regulations apply on Fall River; rainbow trout are the primary species. Idaho fishing license required. Verify current regs at idfg.idaho.gov before fishing.