Shirley Basin Reservoir

Carbon County, WY

MAYBEConfidence · Medium
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 Shirley Basin Reservoir — light winds and rising pressure after a passing system for this window. Watch a front passing through. Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Tue · Oct 27, 6 PM → 10 PM (America/Denver)

Full read

The latest cached fishing-weather read for Shirley Basin Reservoir in Carbon County, WY 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 4 mph out of the southeast, gusting to 9 mph; surface pressure near 782 hPa on a rising trend; 0.00 inches of rain; and air temperature near 36 °F with overcast dominant. Confidence in this cached read is medium; it was generated October 26, 2026, 9:35 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 October 26, 2026, 9:35 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
4mph

SE · gust 9

Rain / Weather
0in

Overcast

Temp
36°F

2°C · hum 92%

Pressure
23.09inHg

Rising

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    MAYBE
    A front passing through
    52° / 36°F
    4 mph · SEgust 34
    0.00 in
    ↓ -7.7 hPa
  2. Tue · Oct 27
    6 PM → 10 PM
    MAYBE
    A front passing through
    52° / 37°F
    7 mph · NWgust 35
    0.00 in
    ↓ -3.0 hPa
  3. Wed · Oct 28
    7 PM → 11 PM
    MAYBE
    A front passing through
    48° / 36°F
    7 mph · SWgust 32
    0.00 in
    ↑ +6.9 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    54° / 32°F
    6 mph · SWgust 24
    0.00 in
    ↓ -1.2 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    59° / 39°F
    6 mph · SEgust 21
    0.00 in
    ↓ -4.7 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    MAYBE
    A front passing through
    55° / 39°F
    7 mph · SWgust 21
    0.20 in
    ↓ +1.6 hPa
  7. Sun · Nov 1
    9 AM → 1 PM
    MAYBE
    A front passing through
    46° / 37°F
    12 mph · SWgust 30
    0.08 in
    ↓ -0.4 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+15.8 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
11 mph · gust 47 · SE
Temperature
Cooler
-7.9°F over 72h57–25°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.

Shirley Basin Reservoir Fishing Forecast - WY