Fly Fishing the North Platte River

The Miracle Mile and Grey Reef sections of Wyoming's North Platte grow trophy rainbows in nutrient-rich tailwater flows.

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When to fish

Year-round

Best months: year-round

Best

Midges: year-round. Blue-winged Olive: spring & fall.

Today's conditions

Where to fish

Along the North Platte River

Steamboat Springs1 shopLaramie2 shops

Grey Reef below Alcova and the Miracle Mile (between Pathfinder and Kortes reservoirs) have BLM access lots; much of the fishing is by drift boat with public wade stretches.

The water

Tailwater

Key hatches

Midge
Blue-Winged Olive
Caddisfly
Cranefly
Golden Stonefly

Hatch calendar

Conditions

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6-day forecast

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Forecast from the National Weather Service ↗

Hatch calendar

Months each hatch is active on the North Platte River, with hook sizes and local timing notes.
Hatch · hook	J	F	M	A	M	J	J	A	S	O	N	D
Midge(midges)hook #18–22year-round	January	February	March	April	May	June	July	August	September	October	November	December
Blue-winged Olive(mayflies)hook #16–22spring & fall				April	May	June			September	October	November
Caddisfly(caddis)hook #12–18					May	June	July	August	September	October
Cranefly(other insects)hook #2–6					May	June	July	August	September
Golden Stonefly(stoneflies)hook #8–12					May	June	July
Salmonfly(stoneflies)hook #4–6					May	June
Pale Morning Dun(mayflies)hook #14–18summer						June	July	August	September	October
Western Green Drake(mayflies)hook #10–12						June	July
Trico(mayflies)hook #18–24Aug–Sept							July	August	September	October