Companion Lake

Park County, MT

MAYBEConfidence · Medium
Best bite window
Fri · Sep 11, 9 PM → 1 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Companion Lake — 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 Companion Lake in Park County, MT is MAYBE, with the best four-hour window on Fri, Sep 11 from 9 PM to 1 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 south, gusting to 22 mph, surface pressure near 711 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 September 10, 2026, 1:18 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, 1:18 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

S · gust 22

Rain / Weather
0in

Overcast

Temp
39°F

4°C · hum 69%

Pressure
21.00inHg

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
    59° / 36°F
    12 mph · Wgust 28
    0.00 in
    ↓ -11.2 hPa
  2. Fri · Sep 11
    Now → 8 AM
    MAYBE
    A front passing through
    54° / 37°F
    10 mph · Wgust 42
    0.00 in
    ↑ +4.7 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    59° / 32°F
    4 mph · SEgust 34
    0.00 in
    ↓ -3.3 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    A front passing through
    46° / 30°F
    6 mph · SEgust 50
    0.02 in
    ↓ +3.5 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    46° / 23°F
    6 mph · SWgust 22
    0.01 in
    ↓ +4.7 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    52° / 25°F
    5 mph · Egust 23
    0.00 in
    ↓ +1.9 hPa
  7. Wed · Sep 16
    9 AM → 1 PM
    MAYBE
    A front passing through
    54° / 27°F
    4 mph · Wgust 9
    0.00 in
    ↓ +1.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+12.8 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
16 mph · gust 41 · W
Temperature
Cooler
-8.1°F over 72h55–30°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.