Weather WorldRuby Johnson Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Ruby Johnson Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
 |  |  |  |  |  | | |  |  |  | |
| Chance of Showers | Partly Cloudy | Cloudy | Rain Showers | Mostly Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Hi: 58°FHi: 14°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Hi: 69°FHi: 21°C Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C Lo: 41°FLo: 5°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 AM MDT Mon Sep 14 2026 
Ruby Johnson Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Ruby Johnson Lake Weather Map
Ruby Johnson Lake Quick Facts
Ruby Johnson Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1134 AM MDT Mon Sep 14 2026
Key Messages
- Mountain snow this morning over the Rockies, with scattered rain showers and windy conditions elsewhere today.
- It turns drier on Tuesday, with a slow warming trend late week.
- Another widespread rain event expected over Central and Southwest MT Thursday night into Friday.
Discussion
... /Issued 405 AM MDT Mon Sep 14 2026/- Meteorological Overview: A closed upper level low will slowly move eastwards across the northern portions of MT today. Scattered rain showers/thunderstorms will affect...