Holter Lake

Lewis and Clark County, MT

MAYBEConfidence · Medium
Best bite window
Sat · Sep 12, 4 AM → 8 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Holter 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 Holter Lake in Lewis and Clark County, MT is MAYBE, with the best four-hour window on Sat, Sep 12 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 6 mph out of the north, gusting to 7 mph, surface pressure near 814 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 37 °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
6mph

N · gust 7

Rain / Weather
0in

Overcast

Temp
37°F

3°C · hum 88%

Pressure
24.04inHg

Rising

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
    70° / 46°F
    9 mph · Wgust 31
    0.00 in
    ↓ -7.0 hPa
  2. Fri · Sep 11
    1 PM → 5 PM
    MAYBE
    A front passing through
    57° / 39°F
    9 mph · NWgust 32
    0.24 in
    ↑ +10.7 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    46° / 37°F
    6 mph · Ngust 16
    0.00 in
    ↓ -3.6 hPa
  4. Sun · Sep 13
    9 AM → 1 PM
    MAYBE
    A front passing through
    43° / 36°F
    7 mph · Ngust 12
    0.09 in
    ↓ -0.4 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    54° / 34°F
    4 mph · SWgust 16
    0.01 in
    ↑ +5.3 hPa
  6. Tue · Sep 15
    8 AM → 12 PM
    MAYBE
    A front passing through
    54° / 34°F
    3 mph · Ngust 12
    0.00 in
    ↑ +4.7 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 34°F
    4 mph · Sgust 8
    0.00 in
    ↓ -2.7 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+4.3 hPa over 72h
Rain
Light rain
0.06 in totallast 72h
Wind
Gusty
14 mph · gust 47 · W
Temperature
Warmer
+4.3°F over 72h64–37°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.