What flies are hatching on the Upper Sacramento River right now?

Current and seasonal hatches on the Upper Sacramento River include Skwala, Salmonfly, Golden Stone. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Upper Sacramento River?

The Upper Sacramento River is running at 8,050 CFS at the Sacramento River at Keswick gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Upper Sacramento River fishable today?

Upper Sacramento River is outside its fishable window right now. Flow is 8,050 CFS at the Sacramento River at Keswick gauge. Check back when conditions return to the normal range.

Upper Sacramento River Fly Fishing Conditions

Live Conditions

Upper Sacramento River — Sacramento River at Keswick

Unfishable

8,050CFS

Discharge

11.82ft

Gauge Height

—

Water Temp

Updated 16 min agoView on USGS ↗

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

27.47 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

63°FOvercast

Wind 5 mph27.47 inHg Low & stable

Tough conditions — fish deep

Today

☁️

Overcast

86° / 54°

Tomorrow

☁️

Overcast

69° / 51°

Wed

🌧️

Rain

61° / 51°

0.55"

Thu

🌧️

Rain showers

54° / 50°

0.85"

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: 8,050 CFS · BWOs returning

What should I pack?

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

🪰 Hatch Calendar

Upper Sacramento River · September · Early Fall

Full calendar →

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

Select month

JanDec

BWOs returning (size 18-20). Mahogany Duns (size 16). PMDs tapering. Crisp mornings — wild rainbows on dries.

Blue-Winged OlivePMD

River Map

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

About Upper Sacramento River

The Upper Sacramento River below Box Canyon Dam near Dunsmuir is one of California's premier wild rainbow trout fisheries. The river runs cold and clear through a dramatic canyon, with wild rainbows averaging 12–16 inches and occasional fish exceeding 20 inches. The Wild Trout Program section above Shasta Lake requires artificial lures.

SkwalaSalmonflyGolden StonePale Morning DunCaddisBlue-Winged OliveOctober Caddis

Regulations

Wild Trout Program designation on sections above Shasta Lake. Artificial lures and flies only on designated sections. Check current CDFW regulations for specific boundaries and bag limits. California Sport Fishing License required.

Learn More

Guides to help you fish Upper Sacramento River with more confidence.