What flies are hatching on the Cimarron River right now?

Current and seasonal hatches on the Cimarron River include Caddis, Pale Morning Dun, Blue-Winged Olive. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Cimarron River?

The Cimarron River is running at 1.11 CFS at the At Cimarron gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Cimarron River fishable today?

Cimarron River is outside its fishable window right now. Flow is 1.11 CFS at the At Cimarron gauge. Check back when conditions return to the normal range.

Cimarron River Fly Fishing Conditions

Live Conditions

Cimarron River — At Cimarron

Unfishable

1.11CFS

Discharge

2.06ft

Gauge Height

—

Water Temp

Updated 1 hr agoView on USGS ↗

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

22.45 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

68°FClear sky

Wind 5 mph22.45 inHg Low & stable

Tough conditions — fish deep

Today

🌤️

Partly cloudy

86° / 58°

Tomorrow

☁️

Overcast

92° / 62°

Tue

🌦️

Drizzle

81° / 58°

0.02"

Wed

🌦️

Drizzle

88° / 56°

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?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

2

Time of Day

Using: 1.11 CFS · Hopper season peak

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Cimarron River conditions.

🪰 Hatch Calendar

Cimarron River · August · Late Summer

Full calendar →

Showing typical dates — water temperature data unavailable for live hatch predictions.

Select month

JanDec

Hopper season peak (size 10-14). PMDs continue. Caddis evenings. Terrestrials productive. Cimarron Canyon is at its best in late summer.

PMDCaddisTerrestrials

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

About Cimarron River

Small, accessible freestone river flowing through Cimarron Canyon State Park. Easy roadside access with classic pocket water — a great beginner river.

CaddisPale Morning DunBlue-Winged OliveHopper

Regulations

Standard New Mexico trout regulations apply; rainbow and brown trout are present in the upper canyon near Cimarron Canyon State Park. New Mexico fishing license required. Verify current regs at wildlife.state.nm.us before fishing.

Learn More

Guides to help you fish Cimarron River with more confidence.