Big Drop Reservoir

Dawson County, MT

MAYBEConfidence · Medium
Best bite window
Wed · Oct 28, 4 AM → 8 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Big Drop 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 Big Drop Reservoir in Dawson County, MT is MAYBE, with the best four-hour window on Wed, Oct 28 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 7 mph out of the southwest, gusting to 11 mph, surface pressure near 920 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 39 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated October 26, 2026, 9:27 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, 9:27 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
7mph

SW · gust 11

Rain / Weather
0in

Overcast

Temp
39°F

4°C · hum 68%

Pressure
27.17inHg

Unstable

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    SKIP
    Extreme gusts
    41° / 34°F
    13 mph · SEgust 30
    0.00 in
    ↓ -12.7 hPa
  2. Tue · Oct 27
    6 PM → 10 PM
    MAYBE
    A front passing through
    54° / 36°F
    9 mph · SWgust 31
    0.00 in
    ↓ -6.6 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 37°F
    7 mph · SWgust 19
    0.00 in
    ↑ +8.5 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    48° / 34°F
    6 mph · Ngust 12
    0.00 in
    ↑ +6.9 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 34°F
    7 mph · Egust 38
    0.00 in
    ↓ -12.7 hPa
  6. Sat · Oct 31
    5 AM → 9 AM
    MAYBE
    A front passing through
    63° / 45°F
    7 mph · Sgust 34
    0.00 in
    ↓ +0.2 hPa
  7. Sun · Nov 1
    5 AM → 9 AM
    MAYBE
    A front passing through
    46° / 41°F
    4 mph · Wgust 14
    0.04 in
    ↑ +1.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+24.8 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
12 mph · gust 39 · SE
Temperature
Cooler
-21.1°F over 72h82–27°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.