Porcupine Reservoir
Cache County · Northern region — Kokanee water above Avon; fall spawning run in the East Fork Little Bear.
Current conditions
Stocking
Last stocked Jun 24, 2026 — lake trout (7,564 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Jun 24, 2026 | lake trout | 7,564 | 4.1" |
| Jun 24, 2026 | splake | 1,763 | 2.71" |
| May 21, 2026 | rainbow | 931 | 10.96" |
| May 19, 2026 | rainbow | 1,386 | 11.75" |
| May 18, 2026 | rainbow | 1,705 | 11.73" |
| May 18, 2026 | rainbow | 1,120 | 11.6" |
| Aug 18, 2025 | splake | 1,764 | 3.66" |
| Jun 1, 2025 | lake trout | 3,753 | 3.7" |
Species
kokanee salmonbrown troutcutthroat trout
Forecast
This Afternoon
91°F
Mostly Sunny
Tonight
64°F
Mostly Clear
Thursday
95°F
Sunny
Thursday Night
67°F
Partly Cloudy
Friday
96°F
Sunny
Friday Night
66°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
30% precip
Saturday
89°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
19% precip
Saturday Night
63°F
Chance Showers And Thunderstorms
32% precip