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Main Range Trail Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | |  |  |  |  |  | |  | |
| Clearing | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Rain/Snow Showers | Thunderstorms | Chance of T-Storm | Snow Showers | Snow Showers |
| Lo: 37°FLo: 3°C | Hi: 57°FHi: 14°C | Lo: 38°FLo: 3°C | Hi: 57°FHi: 14°C | Lo: 38°FLo: 3°C | Hi: 56°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 54°FHi: 12°C | Lo: 31°FLo: -1°C | Hi: 46°FHi: 8°C | Hi: 48°FHi: 9°C Lo: 28°FLo: -2°C | Hi: 48°FHi: 9°C Lo: 28°FLo: -2°C |
| POP: 30% | POP: 10% | POP: 40% | POP: 50% | POP: 10% | POP: 20% | POP: 60% | POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 848 PM MDT Fri Oct 09 2026 
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Issued: 1058 PM MDT Fri Oct 9 2026
Key Messages
- Moisture increases this weekend over the mountains, while the plains remain warm and dry.
- Much cooler and unsettled next week, mainly starting on Tuesday. Snow over the mountains with some lower-end rain chances for the plains.
- Forecast remains uncertain after Tuesday, with a complex and quickly-changing system.
Aviation
/06Z TAFS THROUGH 06Z SUNDAY/... Issued at 1058 PM MDT Fri Oct 9 2026
VFR conditions are expected at COS, PUB and ALS over the next 24 hours, with increasing mid and hi...