Heart Lake

Beaverhead County, MT

MAYBEConfidence · Medium
Best bite window
Fri · Sep 11, 8 PM → 12 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Heart Lake — 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).

Full read

The current fishing-weather read for Heart Lake in Beaverhead County, MT is MAYBE, with the best four-hour window on Fri, Sep 11 from 8 PM to 12 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 6 mph out of the southwest, gusting to 16 mph, surface pressure near 722 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 41 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:23 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, 1:23 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
6mph

SW · gust 16

Rain / Weather
0in

Overcast

Temp
41°F

5°C · hum 50%

Pressure
21.32inHg

Rising

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    SKIP
    Extreme gusts
    61° / 37°F
    16 mph · Wgust 32
    0.00 in
    ↓ -10.9 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    52° / 36°F
    8 mph · Wgust 40
    0.00 in
    ↑ +3.1 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 32°F
    5 mph · Egust 24
    0.00 in
    ↓ -8.2 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    A front passing through
    39° / 28°F
    3 mph · Egust 18
    0.19 in
    ↑ +14.2 hPa
  5. Mon · Sep 14
    9 AM → 1 PM
    MAYBE
    A front passing through
    48° / 25°F
    4 mph · SWgust 7
    0.00 in
    ↓ -1.3 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    50° / 28°F
    4 mph · Egust 10
    0.01 in
    ↓ +4.7 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    55° / 28°F
    4 mph · Egust 5
    0.00 in
    ↓ +0.2 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+10.0 hPa over 72h
Rain
Light rain
0.19 in totallast 72h
Wind
Gusty
13 mph · gust 32 · W
Temperature
Warmer
+0.4°F over 72h52–28°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.