TroutNearMe

Greenough Lake trout stocking

Montana · lake

Greenough Lake was last stocked 4 weeks ago (Aug 25, 2026). We have 11 stockings on record since May 13, 2025, 4 in the last 12 months (6,015 fish). Most stockings come in May to August. Species stocked: rainbow trout.

Last stocked
4 weeks ago
Aug 25, 2026
Next planned
Not announced
Last 12 months
4 stockings
6,015 fish
On record
11 stockings
since May 13, 2025

River conditions

Nearest USGS gage: Rock Creek near Red Lodge MT (8 km away, on a different stream or lake).

Flow
121 cfs
lower than usual for the last six weeks
Gage height
5.73 ft
111189266Aug 11Sep 23
Streamflow, last six weeks (cfs), daily. Latest: 124 cfs on Sep 23.

Latest reading Sep 25, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Greenough Lake

  • Tonight
    46°F
    Mostly Clear
    wind 9 mph
  • Friday
    64°F
    Partly Sunny
    wind 9 to 16 mph
  • Friday Night
    43°F
    Mostly Cloudy
    wind 12 to 23 mph
  • Saturday
    58°F
    Sunny
    1% rain · wind 13 to 23 mph
  • Saturday Night
    40°F
    Partly Cloudy
    6% rain · wind 7 to 17 mph
  • Sunday
    57°F
    Partly Sunny then Chance Rain Showers
    54% rain · wind 7 to 12 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Greenough Lake stocked?

Most stockings come in May to August. Stocked 4 times in 2026, mostly in August, usually on Tuesdays, about every 29 days.

By month, all years

Jan: 0 stockingsJanFeb: 0 stockingsFebMar: 0 stockingsMarApr: 0 stockingsAprMay: 3 stockings3MayJun: 2 stockings2JunJul: 2 stockings2JulAug: 3 stockings3AugSep: 0 stockingsSepOct: 0 stockingsOctNov: 0 stockingsNovDec: 0 stockingsDec
Stockings of Greenough Lake by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
2026112
20252121

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout1112,3491,1239.8 in

Stocking history

DateSpeciesFishPoundsHatchery
Aug 25, 2026Rainbow trout1,499Bluewater Springs Trout Hatchery
Aug 12, 2026Rainbow trout1,500Bluewater Springs Trout Hatchery
Jun 10, 2026Rainbow trout1,502Bluewater Springs Trout Hatchery
May 12, 2026Rainbow trout1,514Bluewater Springs Trout Hatchery
Aug 27, 2025Rainbow trout928Bluewater Springs Trout Hatchery
Aug 27, 2025Rainbow trout870Bluewater Springs Trout Hatchery
Jul 31, 2025Rainbow trout340Bluewater Springs Trout Hatchery
Jul 30, 2025Rainbow trout1,170Bluewater Springs Trout Hatchery
Jun 10, 2025Rainbow trout1,500Bluewater Springs Trout Hatchery
May 21, 2025Rainbow trout554Bluewater Springs Trout Hatchery
May 13, 2025Rainbow trout972Bluewater Springs 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 Greenough Lake?

Montana. The marker is the agency's location for this water; streams are often stocked at several access points.

DirectionsLarger map

Stocked waters near Greenough Lake

Stocked this week in Montana

Questions about Greenough Lake

When was Greenough Lake last stocked?
The latest reported stocking was Aug 25, 2026 (rainbow trout, 1,499 fish), according to Montana agency reports.
How often is Greenough Lake stocked?
Stocked 4 times in 2026, mostly in August, usually on Tuesdays, about every 29 days. Across all years on record, most stockings come in May to August.
What kind of trout are stocked in Greenough Lake?
Rainbow trout (11 stockings, 12,349 fish).