Flathead Lake

Lake County, MT

GOConfidence · 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

GO on Flathead Lake — light winds and dry conditions across the window for this window. Weather-only read (no on-water history calibrating this yet).

Next forecast window
GO

Fri · Jul 24, 4 AM → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Flathead Lake in Lake County, MT is GO. 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. Its cached forecast evidence included wind near 4 mph out of the north, gusting to 5 mph; surface pressure near 912 hPa on a steady trend; 0.00 inches of rain; and air temperature near 70 °F with overcast dominant. Confidence in this cached read is low; it was generated July 23, 2026, 10:38 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 July 23, 2026, 10:38 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
4mph

N · gust 5

Rain / Weather
0in

Overcast

Temp
70°F

21°C · hum 38%

Pressure
26.93inHg

Steady

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Window passed
    GO
    Dry conditions across the window
    95° / 66°F
    4 mph · Ngust 19
    0.00 in
    ↓ -1.1 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    GO
    Dry conditions across the window
    97° / 70°F
    7 mph · Ngust 20
    0.00 in
    ↓ -2.7 hPa
  3. Sat · Jul 25
    9 AM → 1 PM
    GO
    Dry conditions across the window
    91° / 63°F
    4 mph · SEgust 20
    0.00 in
    ↓ +1.0 hPa
  4. Sun · Jul 26
    10 AM → 2 PM
    GO
    Dry conditions across the window
    86° / 61°F
    4 mph · SEgust 19
    0.00 in
    ↓ +1.9 hPa
  5. Mon · Jul 27
    9 AM → 1 PM
    GO
    Dry conditions across the window
    86° / 59°F
    4 mph · SEgust 17
    0.00 in
    ↓ +0.9 hPa
  6. Tue · Jul 28
    10 AM → 2 PM
    GO
    Dry conditions across the window
    88° / 57°F
    4 mph · SEgust 16
    0.00 in
    ↓ -3.3 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    GO
    Dry conditions across the window
    84° / 59°F
    3 mph · Ngust 8
    0.00 in
    ↓ -3.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-1.7 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
5 mph · gust 14 · NE
Temperature
Warmer
+10.3°F over 72h90–61°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.