Gunnison County, Colorado (Crested Butte)
Slate River
Live Conditions
Slate River — East River below Cement Creek (proxy)
7-Day Flow
↓ Falling
24-Hr Pressure
21.75 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
74° / 50°
Tomorrow
☁️Overcast
79° / 48°
Sun
🌦️Drizzle
77° / 54°
0.04"
Mon
🌦️Drizzle
87° / 54°
0.01"
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?
⚡ AIAI-powered recommendation using today's live flow, temperature, and hatch data.
2
Time of Day
Using: 59.1 CFS · 54.1°F · Prime small-stream dry fly season. Caddis
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Slate River conditions.
🪰 Hatch Calendar
Slate River · July · Summer
🟢 Active now at 54.1°F water
🟡 Approaching — within 5°F of trigger range
Select month
Prime small-stream dry fly season. Caddis (size 14-16) evenings. Yellow Sally Stonefly (size 14). PMDs (size 16-18). Wild browns, rainbows, and brook trout in classic alpine pocket water. Crested Butte's best month.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About Slate River
Crested Butte's backyard creek. Flows right along Slate River Road (CO-734) north of town — walk out your truck door and start fishing. Wild brown, rainbow, and brook trout in classic small-stream pocket water. Public land is north of CB; south of town the land goes private until the confluence with the East River at CB South.
Learn More
Guides to help you fish Slate River with more confidence.
How Barometric Pressure Affects Fishing (And How to Use It)
That gorgeous bluebird day after a cold front? Worst fishing of the year. Here's the data behind why pressure changes matter more than the weather…
How to Read a USGS Stream Gauge
CFS, gauge height, and why the number on your phone screen determines whether your day is going to be great or a waste of a drive.
How to Pick the Right Fly
Match the hatch is real — but it's not magic. Here's a practical system for choosing between nymphs, dries, and streamers that actually works on…