Grassy Trail Reservoir

Carbon County, UT

MAYBEConfidence · Low
Best bite window
The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Grassy Trail Reservoir — light winds and dry conditions across the window for this window. Watch a front passing through. Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Fri · Jul 24, 4 AM → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Grassy Trail Reservoir in Carbon County, UT is MAYBE. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was dry conditions across the window, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 6 mph out of the south, gusting to 10 mph; surface pressure near 740 hPa on a steady trend; 0.00 inches of rain; and air temperature near 57 °F with clear dominant. Confidence in this cached read is low; it was generated July 23, 2026, 11:23 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED July 23, 2026, 11:23 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
6mph

S · gust 10

Rain / Weather
0in

Clear

Temp
57°F

14°C · hum 79%

Pressure
21.85inHg

Steady

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

  1. Thu · Jul 23
    Window passed
    MAYBE
    A front passing through
    75° / 54°F
    6 mph · Sgust 15
    0.00 in
    ↓ -1.7 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    MAYBE
    A front passing through
    81° / 61°F
    4 mph · NEgust 20
    0.04 in
    ↓ -2.8 hPa
  3. Sat · Jul 25
    5 AM → 9 AM
    MAYBE
    A front passing through
    84° / 63°F
    3 mph · Sgust 11
    0.00 in
    ↓ -2.8 hPa
  4. Sun · Jul 26
    4 AM → 8 AM
    MAYBE
    A front passing through
    86° / 64°F
    4 mph · NEgust 24
    0.01 in
    ↓ -1.5 hPa
  5. Mon · Jul 27
    8 AM → 12 PM
    MAYBE
    A front passing through
    84° / 64°F
    3 mph · Wgust 30
    0.04 in
    ↓ +1.0 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    81° / 59°F
    6 mph · NEgust 13
    0.03 in
    ↓ -1.3 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    84° / 59°F
    6 mph · NEgust 13
    0.00 in
    ↓ +2.4 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+3.9 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
7 mph · gust 28 · S
Temperature
Cooler
-3.6°F over 72h82–57°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.