Flathead Lake

Lake County, MT

MAYBEConfidence · Low
Best bite window
The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Flathead 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).

Next forecast window
MAYBE

Tue · Oct 27, 4 PM → 8 PM (America/Denver)

Full read

The latest cached fishing-weather read for Flathead Lake in Lake County, MT is MAYBE. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was dry conditions across the window, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 7 mph out of the north, gusting to 14 mph; surface pressure near 912 hPa on an unstable trend; 0.00 inches of rain; and air temperature near 43 °F with overcast dominant. Confidence in this cached read is low; it was generated October 26, 2026, 8:52 AM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED October 26, 2026, 8:52 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
7mph

N · gust 14

Rain / Weather
0in

Overcast

Temp
43°F

6°C · hum 56%

Pressure
26.93inHg

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
    57° / 41°F
    7 mph · Ngust 24
    0.35 in
    ↓ -5.5 hPa
  2. Tue · Oct 27
    4 PM → 8 PM
    MAYBE
    A front passing through
    46° / 41°F
    7 mph · SWgust 27
    0.19 in
    ↓ +0.4 hPa
  3. Wed · Oct 28
    7 AM → 11 AM
    MAYBE
    A front passing through
    45° / 37°F
    7 mph · Sgust 12
    0.06 in
    ↑ +6.3 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    43° / 36°F
    6 mph · Sgust 11
    0.03 in
    → +1.2 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    46° / 30°F
    6 mph · Ngust 10
    0.02 in
    ↓ -3.7 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    MAYBE
    A front passing through
    48° / 41°F
    4 mph · Sgust 5
    0.04 in
    ↓ -0.7 hPa
  7. Sun · Nov 1
    7 PM → 11 PM
    MAYBE
    A front passing through
    45° / 36°F
    4 mph · Wgust 7
    0.11 in
    ↑ +6.7 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+15.9 hPa over 72h
Rain
Light rain
0.11 in totallast 72h
Wind
Gusty
7 mph · gust 33 · NW
Temperature
Cooler
-7.6°F over 72h55–37°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

About Flathead Lake

Surface area
123,000 acres
Max depth
370.7 ft
Elevation
2,893 ft
Water clarity
Clear
Managing agency
Montana Fish, Wildlife & Parks (north half) and Confederated Salish and Kootenai Tribes (south half), co-managed
Dam
Seliš Ksanka Qlispe Dam (Flathead River)

Primary species: Lake trout, Yellow perch, Northern pike, Largemouth bass, Smallmouth bass, Black crappie, Rainbow trout, Brook trout, Cutthroat trout.

Nearby waters

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.