Lower Boulder Lake

Madison County, MT

MAYBEConfidence · Medium
Best bite window
Tue · Oct 27, 10 PM → 2 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Lower Boulder Lake — moderate wind 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 Lower Boulder Lake in Madison County, MT is MAYBE, with the best four-hour window on Tue, Oct 27 from 10 PM to 2 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 11 mph out of the south, gusting to 21 mph, surface pressure near 719 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 19 °F, with a dominant forecast of fog. Confidence in this read is medium; it was generated October 26, 2026, 9:20 AM 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 October 26, 2026, 9:20 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
11mph

S · gust 21

Rain / Weather
0in

Fog

Temp
19°F

-7°C · hum 83%

Pressure
21.23inHg

Unstable

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    SKIP
    Sustained high wind
    32° / 25°F
    16 mph · Sgust 43
    0.43 in
    ↓ -5.6 hPa
  2. Tue · Oct 27
    4 AM → 8 AM
    SKIP
    Extreme gusts
    23° / 18°F
    16 mph · SWgust 34
    0.02 in
    ↓ +0.6 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    30° / 18°F
    9 mph · Sgust 22
    0.00 in
    → +3.9 hPa
  4. Thu · Oct 29
    3 PM → 7 PM
    MAYBE
    A front passing through
    36° / 19°F
    6 mph · Sgust 12
    0.00 in
    ↓ -0.3 hPa
  5. Fri · Oct 30
    11 AM → 3 PM
    MAYBE
    A front passing through
    39° / 21°F
    4 mph · SWgust 30
    0.01 in
    ↓ -7.7 hPa
  6. Sat · Oct 31
    5 AM → 9 AM
    MAYBE
    A front passing through
    34° / 25°F
    7 mph · Sgust 11
    0.04 in
    ↓ +3.9 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    32° / 19°F
    7 mph · Sgust 20
    0.12 in
    ↓ +2.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+16.3 hPa over 72h
Rain
Wet stretch
0.92 in totallast 72h
Wind
Gusty
11 mph · gust 44 · S
Temperature
Cooler
-12.8°F over 72h39–10°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.