Johnson Lake
Gallatin County, MT
MAYBE on Johnson Lake — light winds 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).
The current fishing-weather read for Johnson Lake in Gallatin County, MT is MAYBE, with the best four-hour window on Mon, Oct 26 from 10 AM to 2 PM (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 3 mph out of the southeast, gusting to 15 mph, surface pressure near 801 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 41 °F, with a dominant forecast of overcast. Confidence in this read is low; it was generated October 26, 2026, 9:19 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.
Conditions at a glance
- Wind
- 3mph
SE · gust 15
- Rain / Weather
- 0in
Overcast
- Temp
- 41°F
5°C · hum 74%
- Pressure
- 23.65inHg
Unstable
7-Day Fishing Forecast
One read per day — the bite call, the window, the weather behind it
- MAYBEMon · Oct 26Now → 2 PMA front passing through46° / 32°F3 mph · SEgust 210.06 in↓ -5.4 hPa
- MAYBETue · Oct 274 AM → 8 AMA front passing through36° / 27°F5 mph · Sgust 240.06 in↓ +1.3 hPa
- MAYBEWed · Oct 287 AM → 11 AMA front passing through37° / 19°F4 mph · Sgust 220.00 in→ +4.4 hPa
- MAYBEThu · Oct 2910 AM → 2 PMA front passing through45° / 21°F3 mph · Sgust 120.00 in↓ -1.0 hPa
- MAYBEFri · Oct 304 AM → 8 AMA front passing through50° / 28°F4 mph · NEgust 270.01 in↓ -7.1 hPa
- MAYBESat · Oct 318 AM → 12 PMA front passing through43° / 30°F3 mph · SEgust 130.08 in↓ +3.4 hPa
- MAYBESun · Nov 18 AM → 12 PMA front passing through41° / 25°F4 mph · Sgust 180.07 in↓ -0.2 hPa
Last 3 days
Recent context — what just happened
Weather-only read. Confidence is capped until local water data or feedback exists.
Nearby waters
- Axolotl Lake· Gallatin County, MT
- Meadow Lake· Gallatin County, MT
- Dome Lake· Madison County, MT
- Dutchman Lake· Madison County, MT
- Alp Lake· Madison County, MT
- Coney Lake· Madison County, MT
Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.