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Headquarters Trail Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Snow Showers | Snow Showers | Snow Showers | Partly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Snow | Chance of Snow |
| Hi: 47°FHi: 8°C | Lo: 36°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 32°FLo: 0°C | Hi: 47°FHi: 8°C | Lo: 29°FLo: -2°C | Hi: 42°FHi: 6°C | Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C Lo: 29°FLo: -2°C | Hi: 42°FHi: 6°C Lo: 29°FLo: -2°C | Hi: 42°FHi: 6°C Lo: 29°FLo: -2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 306 AM MDT Sat Oct 31 2026 
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Issued: 1136 AM MDT Sat Oct 31 2026
Key Messages
- Winter Weather Advisory starts 6 PM MDT today and goes through 5 PM MST Sunday. Snow above 7000ft elevation.
- Moderate to heavy rain redevelops starting late tonight, continues into Sunday night.
- Cooling trend to high temperatures starting today, with warming returning to western areas Monday, other areas Tuesday.
Discussion
... Issued at 200 AM MDT Sat Oct 31 2026
Today through Mon night...First round of showers is currently moving through the eastern half of the forecast area at this t...