What flies are hatching on the Big Fishing Creek right now?

Current and seasonal hatches on the Big Fishing Creek include Caddis, Blue-Winged Olive. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Big Fishing Creek?

The Big Fishing Creek is running at 74 CFS at the Near Lamar gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Big Fishing Creek fishable today?

Yes — Big Fishing Creek is rated fishable right now. Current flow is 74 CFS at the Near Lamar gauge.

Big Fishing Creek Fly Fishing Conditions

Live Conditions

Big Fishing Creek — Near Lamar

Fishable

74CFS

Discharge

2.61ft

Gauge Height

57.4°F

Water Temp

Updated 33 min agoView on USGS ↗

24-Hr Pressure

28.56 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

69°FClear sky

Wind 1 mph28.56 inHg Low & stable

Tough conditions — fish deep

Today

🌦️

Drizzle

79° / 62°

0.02"

Tomorrow

🌤️

Partly cloudy

81° / 55°

Wed

☁️

Overcast

82° / 65°

Thu

☁️

Overcast

84° / 67°

0.03"

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.

9.4

Time of Day

Using: 74 CFS · 57.4°F · Terrestrial peak. Trico continues mornings. Fish dawn and dusk in summer heat. Limestone influence keeps temps moderate.

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Big Fishing Creek conditions.

🪰 Hatch Calendar

Big Fishing Creek · August · Late Summer

Full calendar →

🟢 Active now at 57.4°F water

CaddisBlue-Winged Olive

🟡 Approaching — within 5°F of trigger range

Green DrakeTrico

Select month

JanDec

Terrestrial peak. Trico continues mornings. Fish dawn and dusk in summer heat. Limestone influence keeps temps moderate.

TricoTerrestrials

🟢 Active · 🟡 Approaching · ⚪ Seasonal only

River Map

Loading map…

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

About Big Fishing Creek

Pennsylvania's northernmost classic limestone stream, flowing through the Bear Meadows / Loganton area in Clinton County. Class A wild brown trout, a strong Sulphur hatch through May and June, and a Green Drake emergence that mirrors Penns Creek. Less crowded than the marquee Centre County water, with several catch-and-release sections.

SulphurGreen DrakeCaddisTricoBlue-Winged OliveMidge

Regulations

Catch-and-Release sections in the Heritage Trout Angling stretches — consult PFBC for exact boundaries. Recorded in USGS as "Fishing Creek near Lamar." Requires PA fishing license + trout/salmon permit.

Learn More

Guides to help you fish Big Fishing Creek with more confidence.