Black Coulee Reservoir

Rosebud County, MT

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

MAYBE on Black Coulee 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 Black Coulee Reservoir in Rosebud County, MT is MAYBE, with the best four-hour window on Fri, Sep 11 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 5 mph out of the northwest, gusting to 12 mph, surface pressure near 905 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 57 °F, with a dominant forecast of clear. Confidence in this read is medium; it was generated September 10, 2026, 1:29 PM 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 September 10, 2026, 1:29 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
5mph

NW · gust 12

Rain / Weather
0in

Clear

Temp
57°F

14°C · hum 47%

Pressure
26.72inHg

Unstable

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    88° / 50°F
    11 mph · Wgust 25
    0.00 in
    ↓ -13.3 hPa
  2. Fri · Sep 11
    Now → 8 AM
    MAYBE
    A front passing through
    73° / 55°F
    5 mph · NWgust 23
    0.00 in
    ↑ +13.2 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 55°F
    8 mph · NEgust 25
    0.00 in
    ↓ -0.9 hPa
  4. Sun · Sep 13
    3 PM → 7 PM
    MAYBE
    A front passing through
    64° / 52°F
    13 mph · Egust 32
    0.04 in
    ↓ -6.3 hPa
  5. Mon · Sep 14
    6 PM → 10 PM
    MAYBE
    A front passing through
    59° / 46°F
    12 mph · Ngust 34
    0.00 in
    ↑ +12.6 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    66° / 45°F
    3 mph · Sgust 14
    0.00 in
    ↓ -0.3 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    72° / 52°F
    5 mph · Ngust 10
    0.00 in
    ↓ 0.0 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+13.9 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
12 mph · gust 32 · W
Temperature
Cooler
-11.9°F over 72h77–48°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.