Alpine Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Alpine Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Snow Showers | Snow Showers | Partly Cloudy | Chance of Showers | Chance of Showers | Rain Showers | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers | Rain Showers |
| Lo: 37°FLo: 3°C | Hi: 48°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 53°FHi: 12°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Lo: 44°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 50% | POP: 20% | POP: 30% | POP: 40% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM MDT Sun Sep 13 2026 

Alpine Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Alpine Lake Weather Map
Alpine Lake Quick Facts
Alpine Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 530 PM MDT Sun Sep 13 2026
Key Messages
- Showers and a few thunderstorms this evening
- Windy periods through Monday.
- After a cool start, a warming trend develops later this week through the weekend.
Discussion
... /Issued 111 PM MDT Sun Sep 13 2026/- Meteorological Overview:
An upper level low positioned over eastern WA this afternoon shifts east across the Northern Rockies overnight, emerging along the AB/MT border Monday morning then continues east through Monday afternoon. Enhanced mid-level flow ahead of the trough and after...
Weather World