Williams Reservoir

Niobrara County, WY

MAYBEConfidence · Medium
Best bite window
Tue · Oct 27, 4 AM → 8 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Williams Reservoir — light winds and rising pressure after a passing system for this window. Watch a front passing through and pressure swinging. Weather-only read (no on-water history calibrating this yet).

Full read

The current fishing-weather read for Williams Reservoir in Niobrara County, WY is MAYBE, with the best four-hour window on Tue, Oct 27 from 4 AM to 8 AM (America/Denver). The main factor in its favor is dry conditions across the window, and the main watch-out is a front passing through. During that window the forecast calls for wind near 4 mph out of the east, gusting to 6 mph, surface pressure near 868 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 32 °F, with a dominant forecast of fog. Confidence in this read is medium; it was generated October 26, 2026, 9:37 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather alone; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED October 26, 2026, 9:37 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
4mph

E · gust 6

Rain / Weather
0in

Fog

Temp
32°F

0°C · hum 90%

Pressure
25.63inHg

Unstable

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
    43° / 34°F
    9 mph · Egust 21
    0.00 in
    ↓ -10.4 hPa
  2. Tue · Oct 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 32°F
    4 mph · Egust 35
    0.00 in
    ↓ -4.8 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 46°F
    4 mph · Ngust 19
    0.00 in
    ↑ +5.8 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 45°F
    6 mph · SWgust 26
    0.00 in
    → +3.9 hPa
  5. Fri · Oct 30
    7 PM → 11 PM
    MAYBE
    A front passing through
    63° / 45°F
    12 mph · SEgust 28
    0.00 in
    ↓ -6.0 hPa
  6. Sat · Oct 31
    7 AM → 11 AM
    MAYBE
    A front passing through
    70° / 46°F
    4 mph · SWgust 16
    0.00 in
    ↓ -3.6 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    59° / 50°F
    4 mph · Wgust 19
    0.00 in
    ↓ +1.2 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+20.2 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
10 mph · gust 35 · SE
Temperature
Cooler
-19.6°F over 72h77–36°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.