Boise / Mountain Home
South Fork Boise River
Live Conditions
South Fork Boise River — Near Anderson Ranch Dam
7-Day Flow
→ Stable
24-Hr Pressure
26.22 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
84° / 55°
Tomorrow
☁️Overcast
91° / 63°
Sat
⛈️Thunderstorm
76° / 61°
0.27"
Sun
☁️Overcast
82° / 61°
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 South Fork Boise River.
6
Time of Day
What should I pack?
Rod, flies, tippet, and safety gear specific to today's South Fork Boise River conditions.
🪰 Hatch Calendar
South Fork Boise River · June · Early Summer
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
Caddis (size 14-16) dominant. PMDs (size 16-18) starting. Salmonflies (size 4-6) possible. Higher flows make wading challenging — float trips ideal. Tailwater stays cool.
River Map
About South Fork Boise River
Cold tailwater below Anderson Ranch Dam in the Boise National Forest. Heavy hatches and consistent flows produce excellent rainbow and brown trout fishing in a remote canyon — famous for the Pink Albert (PMD) hatch.
Regulations
Catch-and-release only for rainbow trout below Anderson Ranch Dam, with artificial lures only in the special-regs section. Idaho fishing license required. Verify current regs at idfg.idaho.gov before fishing.