Warm Springs Creek At Warm Springs
Warm Springs Creek · Rockies · USGS gage 12323770
Coldwater (summer mean 14.4°C — prime coldwater).
Water
55°F
Flow
55 cfs
Air
58°F
Sky
0%
Pressure
29.66 in
Wind
5 mph
Predicted hatches · 2026-06-20
PredictedSalmonflyPteronarcys californica1.00
Predicted by conditions; no reports yet. water 13.0°C (55°F) sits in the prime band (13-16°C); peak season; 6 days sustained ≥12°C; low pressure — fish looking up; watch late morning through evening.
flies: Rogue Foam Salmonfly #4-6, Chubby Chernobyl, Pat's Rubber Legs
PredictedGreen DrakeDrunella spp.1.00
Predicted by conditions; no reports yet. water 13.0°C (55°F) sits in the prime band (11-15°C); peak season; 8 days sustained ≥10°C; low pressure — fish looking up; watch midday, often cloudy.
flies: Green Drake Parachute #10-12, Cripple, Hares Ear #10
PredictedPale Morning DunEphemerella spp.0.55
Predicted by conditions; no reports yet. water 13.0°C (55°F) sits in the prime band (13-18°C); shoulder of the season; 6 days sustained ≥12°C; low pressure — fish looking up; watch late morning to early afternoon.
flies: PMD Comparadun #16-18, Sparkle Dun, Pheasant Tail #16
PredictedEastern Green DrakeEphemera guttulata0.55
Predicted by conditions; no reports yet. water 13.0°C (55°F) is warming toward the prime band (14-18°C); peak season; 6 days sustained ≥12°C; low pressure — fish looking up; watch evening; the spinner (Coffin Fly) falls at dusk.
flies: Green Drake #8-10, Coffin Fly Spinner, Drake Emerger
PredictedSpotted / Summer CaddisHydropsyche spp.0.28
water 13.0°C (55°F) is warming toward the prime band (14-19°C); shoulder of the season; 6 days sustained ≥12°C; low pressure — fish looking up; watch evening, last hour of light.
flies: Elk Hair Caddis #14-16, Iris Caddis, X-Caddis
PredictedMidgeChironomidae0.28
water 13.0°C (55°F) is cooling past the prime band (1-10°C); shoulder of the season; 8 days sustained ≥0°C; low pressure — fish looking up; watch midday, especially cold months.
flies: Zebra Midge #18-22, Griffith's Gnat, Disco Midge
PredictedMarch Brown (Eastern)Maccaffertium vicarium0.28
water 13.0°C (55°F) is warming toward the prime band (14-18°C); shoulder of the season; 6 days sustained ≥12°C; low pressure — fish looking up; watch sporadic through the day, midday into afternoon.
flies: March Brown #10-12, Hare's Ear, Spinner
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.