Lake Fork River
Duchesne County · Northeastern region — Below Moon Lake.
Current conditions
4.16 cfs
Flow (steady)
4–5 cfs
72-hr range
Flow as of Aug 19, 1:45 PM MT · USGS 09291000
Stocking
Last stocked Jun 11, 2026 — rainbow (803 fish).
| Date | Species | Quantity | Avg length |
|---|---|---|---|
| Jun 11, 2026 | rainbow | 803 | 10.93" |
| Jul 3, 2025 | rainbow | 400 | 10.37" |
| Jun 16, 2025 | rainbow | 402 | 10.07" |
| Oct 1, 2024 | cutthroat | 716 | 1.59" |
| Oct 1, 2024 | cutthroat | 212 | 6.06" |
| Jun 26, 2024 | rainbow | 400 | 10.12" |
| Jun 25, 2024 | rainbow | 401 | 10.14" |
| Jun 21, 2024 | rainbow | 400 | 10.08" |
Species
brown troutcutthroat troutbrook trout
Forecast
This Afternoon
82°F
Chance Showers And Thunderstorms
32% precip
Tonight
55°F
Partly Cloudy
Thursday
83°F
Mostly Sunny then Chance Showers And Thunderstorms
38% precip
Thursday Night
56°F
Partly Cloudy
Friday
85°F
Mostly Sunny then Chance Showers And Thunderstorms
41% precip
Friday Night
57°F
Slight Chance Showers And Thunderstorms
23% precip
Saturday
80°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
72% precip
Saturday Night
54°F
Chance Showers And Thunderstorms
31% precip