Grass Mountain Lakes

Idaho County, ID

MAYBEConfidence · 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
Main risk
a front passing through

MAYBE on Grass Mountain Lakes — 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).

Next forecast window
MAYBE

Fri · Sep 11, 4 AM → 8 AM (America/Boise)

Full read

The latest cached fishing-weather read for Grass Mountain Lakes in Idaho County, ID is MAYBE. 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, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 7 mph out of the west, gusting to 17 mph; surface pressure near 790 hPa on a rising trend; 0.00 inches of rain; and air temperature near 54 °F with overcast dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:23 PM 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 September 10, 2026, 1:23 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

W · gust 17

Rain / Weather
0in

Overcast

Temp
54°F

12°C · hum 37%

Pressure
23.33inHg

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° / 46°F
    11 mph · Wgust 22
    0.00 in
    ↓ -9.3 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 43°F
    6 mph · Ngust 24
    0.00 in
    ↑ +2.1 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 43°F
    4 mph · SEgust 21
    0.06 in
    ↓ -3.8 hPa
  4. Sun · Sep 13
    4 PM → 8 PM
    MAYBE
    A front passing through
    41° / 34°F
    4 mph · SWgust 8
    0.54 in
    ↑ +12.0 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    55° / 30°F
    4 mph · SEgust 7
    0.00 in
    ↓ -2.8 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 37°F
    5 mph · NEgust 11
    0.00 in
    → +4.9 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 36°F
    6 mph · NEgust 3
    0.00 in
    ↓ 0.0 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+3.1 hPa over 72h
Rain
Light rain
0.20 in totallast 72h
Wind
Calm wind
6 mph · gust 14 · W
Temperature
Warmer
+8.5°F over 72h63–36°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.

Grass Mountain Lakes Fishing Forecast - 7-Day Windows (ID)