Grasshopper Reservoir trout stocking
Montana · lake
Grasshopper Reservoir was last stocked 4 months ago (May 26, 2026). We have 3 stockings on record since Apr 30, 2025, 1 in the last 12 months (4,000 fish). Most stockings come in April to May and September. Species stocked: rainbow trout.
Last stocked
4 months ago
May 26, 2026
Next planned
Not announced
Last 12 months
1 stocking
4,000 fish
On record
3 stockings
since Apr 30, 2025
Weather at Grasshopper Reservoir
- Tonight60°FMostly Clearwind 15 to 22 mph
- Friday84°FSunnywind 15 to 18 mph
- Friday Night50°FSlight Chance Showers And Thunderstorms then Mostly Cloudy17% rain · wind 20 to 28 mph
- Saturday64°FSunnywind 21 to 25 mph
- Saturday Night41°FPartly Cloudywind 3 to 17 mph
- Sunday65°FPartly Sunnywind 3 to 10 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Grasshopper Reservoir stocked?
Most stockings come in April to May and September.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | |||||||||||
| 2025 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 3 | 10,597 | 3,532 | 2.9 in |
Stocking history
| Date | Species | Fish | Pounds | Hatchery |
|---|---|---|---|---|
| May 26, 2026 | Rainbow trout | 4,000 | Fort Peck Hatchery | |
| Sep 23, 2025 | Rainbow trout | 2,597 | Big Springs Trout Hatchery | |
| Apr 30, 2025 | Rainbow trout | 4,000 | Fort Peck 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.
Where is Grasshopper Reservoir?
Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Grasshopper Reservoir
- H.C. Kuhr Reservoirlake · 4 mistocked May 26, 2026
- Ross Reservoirlake · 11 mistocked Sep 24, 2025
- Faber Reservoirlake · 13 mistocked Jul 2, 2026
- Clear Creekstream · 14 mistocked May 21, 2025
- Salmo Reservoirlake · 15 mistocked May 26, 2026
- Bearpaw Lake (; Beaver Lake)lake · 18 mistocked Jul 2, 2026
- Anderson Reservoirlake · 19 mistocked May 7, 2026
- North Faber Reservoirlake · 19 mistocked May 26, 2026
Questions about Grasshopper Reservoir
- When was Grasshopper Reservoir last stocked?
- The latest reported stocking was May 26, 2026 (rainbow trout, 4,000 fish), according to Montana agency reports.
- How often is Grasshopper Reservoir stocked?
- It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in April to May and September.
- What kind of trout are stocked in Grasshopper Reservoir?
- Rainbow trout (3 stockings, 10,597 fish).