Big Trinity Lake

Elmore County, ID

MAYBEConfidence · Medium
Best bite window
Fri · Sep 11, 7 PM → 11 PM (America/Boise)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Big Trinity 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 Big Trinity Lake in Elmore County, ID is MAYBE, with the best four-hour window on Fri, Sep 11 from 7 PM to 11 PM (America/Boise). 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 7 mph out of the northwest, gusting to 21 mph, surface pressure near 762 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 50 °F, with a dominant forecast of clear. Confidence in this read is medium; it was generated September 10, 2026, 1:17 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, 1:17 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

NW · gust 21

Rain / Weather
0in

Clear

Temp
50°F

10°C · hum 43%

Pressure
22.50inHg

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
    64° / 48°F
    11 mph · Wgust 28
    0.00 in
    ↓ -10.0 hPa
  2. Fri · Sep 11
    7 PM → 11 PM
    MAYBE
    A front passing through
    57° / 46°F
    7 mph · NWgust 31
    0.00 in
    → +0.3 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    66° / 43°F
    4 mph · Egust 30
    0.00 in
    ↓ -4.9 hPa
  4. Sun · Sep 13
    10 AM → 2 PM
    MAYBE
    A front passing through
    45° / 30°F
    6 mph · SWgust 17
    0.16 in
    ↑ +15.0 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    55° / 30°F
    4 mph · NEgust 6
    0.00 in
    ↓ -4.3 hPa
  6. Tue · Sep 15
    9 AM → 1 PM
    MAYBE
    A front passing through
    59° / 36°F
    4 mph · NWgust 14
    0.00 in
    ↓ +2.8 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 37°F
    4 mph · NEgust 6
    0.00 in
    ↓ +3.0 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+2.8 hPa over 72h
Rain
Light rain
0.16 in totallast 72h
Wind
Gusty
7 mph · gust 26 · NW
Temperature
Warmer
+10.8°F over 72h64–34°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.