North Polly Reservoir trout stocking
Blaine County, Montana · lake · 2,796 ft elevation
North Polly Reservoir was last stocked 6 months ago (May 7, 2026). We have 2 stockings on record since May 14, 2025, 1 in the last 12 months (1,000 fish). Species stocked: rainbow trout.
Last stocked
6 months ago
May 7, 2026
Next planned
Not announced
Last 12 months
1 stocking
1,000 fish
On record
2 stockings
since May 14, 2025
- Number 5 of 17 stocked waters in Blaine County by stocking days.
- Stocked about as often as a typical Montana water on our record.
Weather at North Polly Reservoir
- Today45°FSunnywind 2 to 7 mph
- Tonight29°FPartly Cloudywind 2 to 6 mph
- Thursday49°FMostly Sunnywind 3 to 9 mph
- Thursday Night34°FPartly Cloudywind 8 to 13 mph
- Friday52°FSunnywind 7 to 12 mph
- Friday Night37°FPartly Cloudywind 8 to 18 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 | 2 | 2,000 | 1,000 | 3.2 in |
Stocking history
20261 stocking · 1,000 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 7Latest Thursday | Rainbow trout | 1,000 | 2.2 in | 358 days | Fort Peck Hatchery |
20251 stocking · 1,000 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 14 Wednesday | Rainbow trout | 1,000 | 3.2 in | 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. Seasons and limits: Montana fishing regulations.
Where is North Polly Reservoir?
Blaine County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near North Polly Reservoir
- South Polly Reservoirlake · 1 mistocked May 7, 2026
- North Faber Reservoirlake · 7 mistocked May 26, 2026
- Chouteau Reservoirlake · 12 mistocked Sep 23, 2026
- Salmo Reservoirlake · 13 mistocked May 26, 2026
- Brookie Pondlake · 16 mistocked May 7, 2026
- Br 028 Reservoirlake · 21 mistocked Jun 23, 2026
- Reser Reservoirlake · 23 mistocked Sep 22, 2026
- BR 045 Reservoirlake · 23 mistocked Sep 22, 2026
All stocked waters in Blaine CountyStocked this week in Montana
Questions about North Polly Reservoir
- When was North Polly Reservoir last stocked?
- The latest reported stocking was May 7, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.
- How often is North Polly Reservoir stocked?
- It was stocked once in the last 12 months.
- Is North Polly Reservoir stocked often?
- Number 5 of 17 stocked waters in Blaine County by stocking days. Stocked about as often as a typical Montana water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in North Polly Reservoir?
- Rainbow trout (2 stockings, 2,000 fish).