Lake Elmo trout stocking
Montana · lake
Lake Elmo was last stocked 11 days ago (Sep 14, 2026). We have 13 stockings on record since Apr 8, 2025, 8 in the last 12 months (10,270 fish). Most stockings come in April. Species stocked: rainbow trout, yellowstone cutthroat trout.
River conditions
Nearest USGS gage: Yellowstone River at Billings MT (5 km away, on a different stream or lake).
- Water temperature
- 66°F
- Flow
- 2,690 cfs
- about normal for the last six weeks
- Gage height
- 2.72 ft
Warm for trout. Getting warm for trout. Fish early in the morning and land fish quickly.
Latest reading Sep 25, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Lake Elmo
- Tonight51°FMostly Clearwind 2 to 7 mph
- Friday82°FMostly Sunnywind 1 to 6 mph
- Friday Night52°FPartly Cloudywind 3 to 10 mph
- Saturday71°FSunnywind 5 to 8 mph
- Saturday Night48°FPartly Cloudywind 9 mph
- Sunday66°FPartly Sunny11% rain · wind 3 to 7 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Lake Elmo stocked?
Most stockings come in April. Stocked 7 times in 2026, usually on Tuesdays, about every 29 days.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | 1 | 1 | 1 | ||||||
| 2025 | 2 | 1 | 1 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 7 | 19,321 | 2,760 | 8.4 in |
| Yellowstone cutthroat trout | 6 | 11,304 | 1,884 | 16.0 in |
Stocking history
| Date | Species | Fish | Pounds | Hatchery |
|---|---|---|---|---|
| Sep 14, 2026 | Rainbow trout | 4,838 | Bluewater Springs Trout Hatchery | |
| Jun 3, 2026 | Rainbow trout | 464 | Jocko River Trout Hatchery | |
| May 5, 2026 | Rainbow trout | 1,410 | Jocko River Trout Hatchery | |
| Apr 21, 2026 | Rainbow trout | 1,533 | Jocko River Trout Hatchery | |
| Apr 14, 2026 | Rainbow trout | 1,425 | Jocko River Trout Hatchery | |
| Mar 26, 2026 | Yellowstone cutthroat trout | 100 | Yellowstone River Trout Hatchery | |
| Feb 25, 2026 | Yellowstone cutthroat trout | 150 | Yellowstone River Trout Hatchery | |
| Dec 3, 2025 | Yellowstone cutthroat trout | 350 | Yellowstone River Trout Hatchery | |
| Sep 15, 2025 | Rainbow trout | 4,851 | Bluewater Springs Trout Hatchery | |
| Aug 13, 2025 | Yellowstone cutthroat trout | 9,054 | Yellowstone River Trout Hatchery | |
| Jun 3, 2025 | Yellowstone cutthroat trout | 1,500 | Yellowstone River Trout Hatchery | |
| Apr 29, 2025 | Rainbow trout | 4,800 | Bluewater Springs Trout Hatchery | |
| Apr 8, 2025 | Yellowstone cutthroat trout | 150 | Yellowstone River 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.
Where is Lake Elmo?
Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Lake Elmo
- Shiloh Conservation Pond 1lake · 9 mistocked Aug 11, 2026
- Canyon Creek Pondlake · 10 mistocked Aug 11, 2026
- Laurel Pondlake · 19 mistocked Sep 1, 2026
Questions about Lake Elmo
- When was Lake Elmo last stocked?
- The latest reported stocking was Sep 14, 2026 (rainbow trout, 4,838 fish), according to Montana agency reports.
- How often is Lake Elmo stocked?
- Stocked 7 times in 2026, usually on Tuesdays, about every 29 days. Across all years on record, most stockings come in April.
- What kind of trout are stocked in Lake Elmo?
- Rainbow trout (7 stockings, 19,321 fish); Yellowstone cutthroat trout (6 stockings, 11,304 fish).
- How warm is the water near Lake Elmo?
- The nearest USGS gage read 66°F on Sep 25. Getting warm for trout. Fish early in the morning and land fish quickly.