Sidney Reservoir trout stocking
Carter County, Montana · lake · 3,532 ft elevation
Sidney Reservoir was last stocked 6 months ago (May 6, 2026). We have 2 stockings on record since May 13, 2025, 1 in the last 12 months (1,000 fish). Species stocked: rainbow trout.
Last stocked
6 months ago
May 6, 2026
Next planned
Not announced
Last 12 months
1 stocking
1,000 fish
On record
2 stockings
since May 13, 2025
- Tied for the most stocked water in Carter County (2 stocking days on record).
- Stocked about as often as a typical Montana water on our record.
Weather at Sidney Reservoir
- Today67°FMostly Sunnywind 9 to 18 mph
- Tonight38°FPartly Cloudywind 5 to 8 mph
- Monday56°FMostly Sunnywind 2 to 6 mph
- Monday Night37°FMostly Cloudywind 3 to 7 mph
- Tuesday56°FPartly Sunny4% rain · wind 6 to 16 mph
- Tuesday Night39°FPartly Cloudywind 8 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 | 2 | 2,000 | 1,000 | 2.8 in |
Stocking history
20261 stocking · 1,000 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 6Latest Wednesday | Rainbow trout | 1,000 | 2.8 in | 358 days | Miles City Fish Hatchery |
20251 stocking · 1,000 fish
| Date | Species | Fish | Size | Since previous | Hatchery |
|---|---|---|---|---|---|
May 13 Tuesday | Rainbow trout | 1,000 | 2.3 in | Miles City Fish 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 Sidney Reservoir?
Carter County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Sidney Reservoir
- Frigid Reservoirlake · 9 mistocked May 6, 2026
All stocked waters in Carter CountyStocked this week in Montana
Questions about Sidney Reservoir
- When was Sidney Reservoir last stocked?
- The latest reported stocking was May 6, 2026 (rainbow trout, 1,000 fish), according to Montana agency reports.
- How often is Sidney Reservoir stocked?
- It was stocked once in the last 12 months.
- Is Sidney Reservoir stocked often?
- Tied for the most stocked water in Carter County (2 stocking days on record). 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 Sidney Reservoir?
- Rainbow trout (2 stockings, 2,000 fish).