lake

Sonny Lake — Uintas South Slope

Duchesne County · Northeastern region

Toughconditions▼ was Fair yesterday
43°todayShowers And Thunderstorms

Today’s report

Sonny Lake — Uintas South Slope is fishing tough today. The DWR last stocked brook trout (400 fish) on June 25, 2025. This Afternoon's forecast: showers and thunderstorms, 43°F, 97% chance of precip.

Current conditions

Stocking

Last stocked Jun 25, 2025 — brook trout (400 fish).

DateSpeciesQuantityAvg length
Jun 25, 2025brook trout4003.01"
Jul 13, 2023brook trout4032.68"
Jun 29, 2022brook trout4082.75"
Jun 28, 2021brook trout4032.79"

Best time to fish Sonny Lake — Uintas South Slope

The DWR has stocked Sonny Lake — Uintas South Slope 4 times over the last 3 seasons, and 100% of those plants landed in June, July — the freshest fish and the easiest bite usually follow within a week or two of a stocking.

Species

brook trout

Location

40.61910, -110.83980 · Duchesne County · 23 mi from Kamas

Nearby waters (within ~25 mi):

Betsey Lake — Uintas South SlopeDuchesne CountyToughLily Pad Lake — Uintas South SlopeDuchesne CountyToughHeart Lake — Uintas South SlopeDuchesne CountyToughLittle Deer CreekWasatch CountyToughPowell Lake — Uintas South SlopeDuchesne CountyToughRainbow Lake — Uintas South SlopeDuchesne CountyToughSurvey Lake — Uintas South SlopeDuchesne CountyToughPinto Lake — Uintas South SlopeDuchesne CountyTough

Regulations

No water-specific rules listed for this water in the current Utah Fishing Guidebook — statewide general rules and daily limits apply (trout limit 4, combined). Verify in the current guidebook before you fish.

This week’s weather

This Afternoon
43°F
Showers And Thunderstorms
97% precip
Tonight
38°F
Showers And Thunderstorms
100% precip
Sunday
42°F
Rain And Snow Showers
100% precip
Sunday Night
34°F
Slight Chance T-storms
100% precip
Columbus Day
37°F
Snow Showers then Chance T-storms
100% precip
Monday Night
29°F
Slight Chance T-storms
100% precip
Tuesday
31°F
Snow Showers
96% precip
Tuesday Night
27°F
Snow Showers
84% precip
Wednesday
31°F
Snow Showers Likely
59% precip
Wednesday Night
26°F
Chance Snow Showers
35% precip