John Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
John Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Rain and Snow | Patchy Fog | Patchy Fog | Chance of Rain | Rain | Chance of Rain | Rain and Snow | Rain and Snow | Partly Cloudy | Chance of Snow | Chance of Snow | Chance of Snow |
| Hi: 45°FHi: 7°C | Lo: 30°FLo: -1°C | Hi: 46°FHi: 8°C | Lo: 35°FLo: 2°C | Hi: 40°FHi: 4°C | Lo: 26°FLo: -3°C | Hi: 36°FHi: 2°C | Lo: 25°FLo: -4°C | Hi: 36°FHi: 2°C | Lo: 26°FLo: -3°C | Hi: 36°FHi: 2°C | Lo: 25°FLo: -4°C |
| POP: 40% | POP: 30% | POP: 70% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 AM MST Sat Nov 14 2026 

John Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
John Lake Weather Map
John Lake Quick Facts
John Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 430 AM MST Sat Nov 14 2026
Discussion
...
KEY MESSAGES:- Patchy dense freezing fog this morning with reduced visibility and slick areas of roadway in Northwest Montana.
- Mild and showery conditions with overnight fog and low stratus continue through Monday with generally light precipitation amounts.
- Colder air arrives Tuesday and Wednesday, bringing mountain snow and a mix of rain and snow to valleys.
Strong thermal inversions are established across western Montana this morning, with mid-slope terrain temperatures running up t...
Weather World