Johnson Lake

Granite County, MT

MAYBEConfidence · Low
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 Johnson 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).

Next forecast window
MAYBE

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

Full read

The latest cached fishing-weather read for Johnson Lake in Granite County, MT 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 6 mph out of the west, gusting to 16 mph; surface pressure near 767 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 low; 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; 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
6mph

W · gust 16

Rain / Weather
0in

Overcast

Temp
54°F

12°C · hum 35%

Pressure
22.65inHg

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° / 43°F
    6 mph · Wgust 30
    0.00 in
    ↓ -10.1 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    50° / 39°F
    4 mph · Egust 23
    0.00 in
    ↑ +4.4 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 34°F
    4 mph · Egust 20
    0.00 in
    ↓ -6.3 hPa
  4. Sun · Sep 13
    5 PM → 9 PM
    MAYBE
    A front passing through
    39° / 32°F
    6 mph · SWgust 18
    0.56 in
    ↑ +9.3 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    45° / 32°F
    4 mph · SWgust 12
    0.03 in
    ↓ +1.7 hPa
  6. Tue · Sep 15
    11 AM → 3 PM
    MAYBE
    A front passing through
    50° / 28°F
    4 mph · Wgust 9
    0.09 in
    ↓ +4.5 hPa
  7. Wed · Sep 16
    1 PM → 5 PM
    MAYBE
    A front passing through
    59° / 32°F
    4 mph · Wgust 4
    0.00 in
    ↓ -0.5 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+8.4 hPa over 72h
Rain
Light rain
0.17 in totallast 72h
Wind
Gusty
7 mph · gust 26 · W
Temperature
Warmer
+0.2°F over 72h59–34°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.