Bozeman / Big Sky
Gallatin River
Live Conditions
Gallatin River — At Gallatin Gateway
7-Day Flow
→ Stable
24-Hr Pressure
25.3 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☀️Clear sky
74° / 43°
Tomorrow
☁️Overcast
73° / 44°
Sat
🌧️Rain
75° / 55°
0.13"
Sun
🌦️Drizzle
76° / 50°
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 Gallatin River.
9
Time of Day
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Gallatin River conditions.
🪰 Hatch Calendar
Gallatin 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) starting late month when flows allow — Gallatin Canyon Salmonfly hatch is beautiful and accessible. Golden Stones (size 6-8). Caddis (size 14-16).
River Map
About Gallatin River
Wade-only freestone flowing from Yellowstone Park through Big Sky to Three Forks (joining the Madison and Jefferson). Roadside pocket water along Highway 191 — accessible, scenic, and full of wild rainbows and browns.
Regulations
Wade-only — no float fishing on the Gallatin. Standard Montana fishing license required.