Front Range, Colorado
South Platte River
Live Conditions
South Platte River — Deckers
7-Day Flow
→ Stable
24-Hr Pressure
23.88 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
87° / 62°
Tomorrow
☁️Overcast
90° / 60°
Sun
☁️Overcast
93° / 65°
Mon
☁️Overcast
96° / 67°
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.
9
Time of Day
Using: 235 CFS · PMDs dominant
What should I pack?
Rod, flies, tippet, and safety gear specific to today's South Platte River conditions.
🪰 Hatch Calendar
South Platte River · July · Summer
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
PMDs dominant (size 16-18) hatching 9-11am — Parachute PMD or Sparkle Dun. Caddis at dusk. Tricos (size 20-24) early morning on slower stretches. Terrestrials starting.
River Map
About South Platte River
Colorado's most popular trout river. Technical dry fly water at Deckers, diverse sections from Eleven Mile Canyon to Cheesman Canyon.
Learn More
Guides to help you fish South Platte 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…