Blue Lake trout stocking
Sweet Grass County, Montana · lake · 9,471 ft elevation
Blue Lake was last stocked 16 months ago (Jun 25, 2025). We have 1 stocking on record since Jun 25, 2025. Species stocked: Yellowstone cutthroat trout.
Last stocked
16 months ago
Jun 25, 2025
Next planned
Not announced
Last 12 months
0 stockings
On record
1 stocking
since Jun 25, 2025
- Tied for the most stocked water in Sweet Grass County (1 stocking days on record).
- Stocked less often than most Montana waters on our record.
Weather at Blue Lake
- Today39°FMostly Sunnywind 6 mph
- Tonight21°FMostly Clearwind 6 to 15 mph
- Thursday32°FPartly Sunny then Chance Snow Showers27% rain · wind 10 to 15 mph
- Thursday Night22°FChance Snow Showers29% rain · wind 10 to 14 mph
- Friday30°FMostly Sunny1% rain · wind 10 to 14 mph
- Friday Night20°FPartly Cloudywind 10 to 17 mph
Forecast from the National Weather Service for this location, refreshed hourly.
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Yellowstone cutthroat trout | 1 | 1,020 | 1,020 | 2.0 in |
Stocking history
20251 stocking · 1,020 fish
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
Jun 25Latest Wednesday | Yellowstone cutthroat trout | 1,020 | 2.0 in | 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. Seasons and limits: Montana fishing regulations.
Where is Blue Lake?
Sweet Grass County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Blue Lake
- Rainbow Lake #4lake · 6 mistocked Jun 25, 2025
- Rainbow Lake #3lake · 6 mistocked Jun 25, 2025
- Rainbow Lake #2lake · 7 mistocked Jun 25, 2025
- Rainbow Lake 5lake · 7 mistocked Jun 25, 2025
- Rainbow Lake 6lake · 7 mistocked Jun 25, 2025
- Bridge Lakelake · 8 mistocked Aug 4, 2025
- Trout Lakelake · 10 mistocked Jun 24, 2025
- Abundance Lakelake · 12 mistocked Jul 31, 2026
All stocked waters in Sweet Grass CountyStocked this week in Montana
Questions about Blue Lake
- When was Blue Lake last stocked?
- The latest reported stocking was Jun 25, 2025 (Yellowstone cutthroat trout, 1,020 fish), according to Montana agency reports.
- Is Blue Lake stocked often?
- Tied for the most stocked water in Sweet Grass County (1 stocking days on record). 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 Blue Lake?
- Yellowstone cutthroat trout (1 stocking, 1,020 fish).