Big Casino Creek Reservoir trout stocking
Fergus County, Montana · lake · 4,045 ft elevation
Big Casino Creek Reservoir was last stocked 16 months ago (Jul 8, 2025). We have 1 stocking on record since Jul 8, 2025. Species stocked: rainbow trout.
- Number 10 of 18 stocked waters in Fergus County by stocking days.
- Stocked less often than most Montana waters on our record.
River conditions
USGS gage: Big Spring Cr at R&B Trading Post nr Lewistown MT (6 km away).
- Flow
- 150 cfs
- about normal for the last six weeks
- Gage height
- 3.73 ft
Latest reading Nov 9, 2026, 8:30 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Big Casino Creek Reservoir
- This Afternoon49°FSunnywind 0 mph
- Tonight31°FMostly Clearwind 1 to 7 mph
- Thursday55°FSunnywind 2 to 6 mph
- Thursday Night32°FPartly Cloudywind 2 to 6 mph
- Friday54°FSunnywind 6 to 9 mph
- Friday Night38°FPartly Cloudywind 7 to 12 mph
Forecast from the National Weather Service for this location, refreshed hourly.
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 1 | 534 | 534 | 9.5 in |
Stocking history
20251 stocking · 534 fish
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
Jul 8Latest Tuesday | Rainbow trout | 534 | 9.5 in | Big Springs Trout Hatchery |
From Montana fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Montana fishing regulations.
Where is Big Casino Creek Reservoir?
Fergus County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Big Casino Creek Reservoir
- Lower Frog Pondlake · 1 mistocked Sep 15, 2026
- Upper Frog Pondlake · 1 mistocked Sep 15, 2026
- Elks Country Club Pondlake · 2 mistocked May 26, 2026
- Hansen Reservoirlake · 5 mistocked Jun 18, 2026
- Carters Pondlake · 7 mistocked May 21, 2026
- Upper Carters Pondlake · 8 mistocked Jun 3, 2026
- Barta Pondlake · 13 mistocked Jul 9, 2025
- Unnamed pond on trib of Maiden Creeklake · 14 mistocked Nov 4, 2025
All stocked waters in Fergus CountyStocked this week in Montana
Questions about Big Casino Creek Reservoir
- When was Big Casino Creek Reservoir last stocked?
- The latest reported stocking was Jul 8, 2025 (rainbow trout, 534 fish), according to Montana agency reports.
- Is Big Casino Creek Reservoir stocked often?
- Number 10 of 18 stocked waters in Fergus County by stocking days. Stocked less often than most Montana waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Big Casino Creek Reservoir?
- Rainbow trout (1 stocking, 534 fish).