Weather World
Romy Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Romy Lake Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT |
 |  |  |  | |  |  | | | | | |
| Mostly Cloudy | Mostly Cloudy | Rain and Snow | Chance of Snow | Chance of Snow | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Snow | Snow and Rain | Snow and Rain | Chance of Snow |
| Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C | Lo: 28°FLo: -2°C | Hi: 35°FHi: 2°C | Lo: 24°FLo: -4°C | Hi: 37°FHi: 3°C | Lo: 25°FLo: -4°C | Hi: 42°FHi: 6°C | Lo: 29°FLo: -2°C | Hi: 40°FHi: 4°C Lo: 25°FLo: -4°C | Hi: 40°FHi: 4°C Lo: 25°FLo: -4°C | Hi: 42°FHi: 6°C Lo: 25°FLo: -4°C |
| POP: 100% | POP: 50% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 657 PM MDT Sun Oct 25 2026 
Romy Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Romy Lake Weather Map
Romy Lake Quick Facts
Romy Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 725 PM MDT Sun Oct 25 2026
Key Messages
- Patchy to areas of dense fog will bring localized sharp visibility reductions across short distances and isolated slippery spots from frost deposition again tonight in Monday morning.
- Pacific weather systems will bring periods of light snow this week, most widespread over the higher terrain along the Continental Divide and southwest Montana Monday night into Tuesday.
- Temperatures will generally remain below average heading into the latter part of October.