Catskills, New York
Beaverkill-Willowemoc Fishing Report: October 16, 2026
The Beaverkill at Cooks Falls drops to 197 cfs with improving clarity and steady BWO and Sulphur hatches, but today's rain and thunderstorms and an approaching cold front narrow the window for safe, comfortable fishing.
- Status
- fair
- Flow trend
- falling
- Best window
- Morning through midday
- Best methods
- nymphs, wet flies, dry flies
Quick Summary
The Beaverkill at Cooks Falls is at 197 cfs, down slightly from yesterday's 201 cfs, with water temperature at 55 F. The Willowemoc should be the better day-one wade option today with clearer water and steadier conditions. Small BWOs, Sulphurs, and caddis are the leading hatches, with the best dry-fly action coming close to dark. Rain and thunderstorms arrive today with a 100% chance of precipitation and up to three-quarters of an inch of rain, followed by a sharp cold front tonight that will drive temperatures into the low 30s by Saturday and push both streams higher over the weekend.
Conditions Snapshot
| Field | Value |
|---|---|
| Status | Fair. The Beaverkill is fishable in the morning window but today's storm system and tonight's cold front narrow the window significantly |
| Flow | 197 cfs at Cooks Falls |
| Water Temp | 55.2 F at Cooks Falls (USGS observation at 7:00 AM EDT, October 16) |
| Clarity | Improving. The Beaverkill is falling; the Willowemoc cleared faster |
| Trend | Falling. Down from 201 cfs yesterday |
| Best Window | Morning through midday, before storms deepen |
| Best Method | Nymphs and wet flies in the morning; dry flies for BWOs and Sulphurs |
| Wadeability | Good in the morning; expect rising water through the afternoon |
Weather
The National Weather Service forecast for the Catskills area calls for showers and thunderstorms today with a 100% chance of precipitation. Mostly cloudy skies with a high near 63 F. Southwest wind 12 to 15 mph, with gusts as high as 26 mph. New rainfall amounts between a half and three quarters of an inch possible. Tonight brings rain showers before 3am. Mostly cloudy with a low around 31 F. Northwest wind 13 to 17 mph, with gusts as high as 32 mph. New rainfall amounts between a quarter and half of an inch possible. Saturday will be cold with partly sunny skies and a high near 38 F, along with northwest wind 13 to 16 mph and gusts as high as 31 mph.
River Notes
Cooks Falls is at 197 cfs, down from 201 cfs yesterday. Water temperature is at 55.2 F, recorded at 7:00 AM EDT by USGS. The Beaverkill is falling into comfortable wading range. The Willowemoc should be the better day-one option today with clearer water. Ideal flows for the Beaverkill in October typically run higher, but these lower tailwater conditions remain productive for fall trout fishing.
No trout temperature concerns. The 55 F water is well below the 68 F threshold.
Local source sites could not be accessed during this update cycle. Conditions are based on live USGS gauge data and National Weather Service forecasts.
Hatch Activity
| Hatch | Size | Notes |
|---|---|---|
| Blue Winged Olive | 16-22 | The leading afternoon hatch; fish the slower margins and protected water |
| Sulphur | 16-20 | Mixed with olives in slower pools and slack water |
| Tan Caddis | 16-18 | Pupa can be fished through riffles and pockets |
| Light Cahill | 14-16 | Scattered larger mayfly; confirm naturals before fishing |
| Isonychia | 10-14 | Nymphs and wets can cover riffle margins and pockets |
| Rusty Spinner | 10-22 | Evening spinner fall; carry a range of sizes |
Recommended Flies
| Category | Fly | Size | Notes |
|---|---|---|---|
| Nymph | Isonychia Nymph, Pheasant Tail, or Frenchie | 14-18 | Drift pool margins, inside seams, and protected riffle edges |
| Nymph | Caddis Pupa | 16-18 | Fish pockets with enough weight for control, without overloading the rig |
| Wet | Isonychia Wet or soft hackle | 14-18 | Swing across slower margins as visibility improves |
| Dry | BWO Comparadun or CDC Olive | 16-20 | Use only after finding repeat rises |
| Dry | Sulphur Dun | 16-20 | Key the slower water where Sulphurs tend to concentrate |
| Streamer | Woolly Bugger | 6-10 | Search protected banks and deeper edges if clarity permits |
Tactics
Begin from the bank and fish softer margins before stepping in. Use a short, controlled nymph or wet-fly presentation where the main current meets protected water. The Beaverkill is still falling and should clear further through the morning. The Willowemoc should be the better day-one wade option today. If clarity improves and repeated olive or Sulphur rises develop, switch to a longer leader and a single dry. The rain and thunderstorms today will raise flows through the afternoon, and the cold front Saturday will drop temperatures sharply into the 30s with strong winds. Plan to fish today and expect both freestones to run off color over the weekend.
Gauge Links
| Gauge | Flow | Temp | Link |
|---|---|---|---|
| BEAVER KILL AT COOKS FALLS NY | 197 cfs | 55.2 F | USGS 01420500 |
Sources
Official sources checked: USGS station 01420500 for live flow and temperature data, and the National Weather Service forecast and alert feed for the Catskills, NY area. USGS gauge data returned successfully this update cycle.