TroutNearMe

Upper Frog Pond trout stocking

Fergus County, Montana · lake · 3,959 ft elevation

Upper Frog Pond was last stocked 8 weeks ago (Sep 15, 2026). We have 8 stockings on record since May 1, 2025, 4 in the last 12 months (1,293 fish). Most stockings come in May to June and September. Species stocked: rainbow trout.

Last stocked
8 weeks ago
Sep 15, 2026
Next planned
Not announced
Last 12 months
4 stockings
1,293 fish
On record
8 stockings
since May 1, 2025
  • Tied for the most stocked water in Fergus County (8 stocking days on record).
  • Stocked more often than 95% of Montana waters on our record.

River conditions

Nearest USGS gage: Big Spring Cr at R&B Trading Post nr Lewistown MT (4 km away, on a different stream or lake).

Flow
150 cfs
about normal for the last six weeks
Gage height
3.73 ft
095189Sep 25Nov 8
Streamflow, last six weeks (cfs), daily. Latest: 150 cfs on Nov 8.

Latest reading Nov 9, 2026, 8:30 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Upper Frog Pond

  • This Afternoon
    55°F
    Partly Sunny
    wind 3 mph
  • Tonight
    31°F
    Partly Cloudy
    2% rain · wind 3 to 8 mph
  • Friday
    55°F
    Sunny
    wind 8 to 12 mph
  • Friday Night
    39°F
    Partly Cloudy
    wind 9 to 13 mph
  • Saturday
    62°F
    Mostly Sunny
    wind 3 to 9 mph
  • Saturday Night
    42°F
    Partly Cloudy
    wind 3 to 14 mph

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

When is Upper Frog Pond stocked?

Most stockings come in May to June and September. Stocked 4 times in 2026, usually on Mondays, about every 32 days.

By month, all years

JanFebMarApr: 1 stocking1AprMay: 3 stockings3MayJun: 2 stockings2JunJulAugSep: 2 stockings2SepOctNovDec
Stockings of Upper Frog Pond by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20261111
2025211

What is stocked

SpeciesStockingsFishFish per stockingTypical size
Rainbow trout82,61132612.4 in

Stocking history

20264 stockings · 1,293 fish
DateSpeciesFishSizeSince previousHatchery
Sep 15Latest
Tuesday · 8 weeks ago
Rainbow trout
313
12.0 in102 daysBig Springs Trout Hatchery
Jun 5
Friday
Rainbow trout
334
8.2 in32 daysBig Springs Trout Hatchery
May 4
Monday
Rainbow trout
327
12.4 in2 weeksBig Springs Trout Hatchery
Apr 20
Monday
Rainbow trout
319
12.5 in206 daysBig Springs Trout Hatchery
20254 stockings · 1,318 fish
DateSpeciesFishSizeSince previousHatchery
Sep 26
Friday
Rainbow trout
333
12.1 in15 weeksBig Springs Trout Hatchery
Jun 13
Friday
Rainbow trout
333
13.2 in17 daysBig Springs Trout Hatchery
May 27
Tuesday
Rainbow trout
339
12.6 in26 daysBig Springs Trout Hatchery
May 1
Thursday
Rainbow trout
313
12.2 inBig 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. Seasons and limits: Montana fishing regulations.

Where is Upper Frog Pond?

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

DirectionsLarger mapMontana fishing regulations

Stocked waters near Upper Frog Pond

All stocked waters in Fergus CountyStocked this week in Montana

Questions about Upper Frog Pond

When was Upper Frog Pond last stocked?
The latest reported stocking was Sep 15, 2026 (rainbow trout, 313 fish), according to Montana agency reports.
How often is Upper Frog Pond stocked?
Stocked 4 times in 2026, usually on Mondays, about every 32 days. Across all years on record, most stockings come in May to June and September.
Is Upper Frog Pond stocked often?
Tied for the most stocked water in Fergus County (8 stocking days on record). Stocked more often than 95% of Montana waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Upper Frog Pond?
Rainbow trout (8 stockings, 2,611 fish).