Lower Boulder Lake

Madison County, MT

GOConfidence · Medium
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 Lower Boulder Lake — light winds and steady pressure trend 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 Lower Boulder Lake in Madison 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 6 mph out of the northwest, gusting to 8 mph; surface pressure near 733 hPa on a steady trend; 0.00 inches of rain; and air temperature near 54 °F with clear dominant. Confidence in this cached read is medium; it was generated July 23, 2026, 11:20 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, 11:20 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
6mph

NW · gust 8

Rain / Weather
0in

Clear

Temp
54°F

12°C · hum 73%

Pressure
21.65inHg

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
    66° / 50°F
    6 mph · NWgust 16
    0.00 in
    ↓ -0.9 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    GO
    Dry conditions across the window
    75° / 52°F
    9 mph · SWgust 37
    0.00 in
    ↓ -6.8 hPa
  3. Sat · Jul 25
    6 PM → 10 PM
    GO
    Dry conditions across the window
    81° / 55°F
    7 mph · Sgust 25
    0.06 in
    ↓ -0.1 hPa
  4. Sun · Jul 26
    6 PM → 10 PM
    GO
    Dry conditions across the window
    81° / 57°F
    7 mph · SWgust 27
    0.00 in
    ↓ -2.0 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    GO
    Dry conditions across the window
    81° / 57°F
    4 mph · SEgust 28
    0.00 in
    ↓ +1.0 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    GO
    Dry conditions across the window
    81° / 50°F
    6 mph · Sgust 23
    0.00 in
    ↓ -3.5 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    GO
    Dry conditions across the window
    82° / 52°F
    4 mph · Sgust 17
    0.00 in
    ↓ -2.2 hPa

Last 3 days

Recent context — what just happened

Pressure
Steady
+3.1 hPa over 72h
Rain
Wet stretch
0.53 in totallast 72h
Wind
Calm wind
6 mph · gust 20 · W
Temperature
Cooler
-2.5°F over 72h68–50°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.