Collier School, MT Weather Forecast
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Collier School Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Sunny | Chance of T-Storm | Rain Showers | Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Chance of Showers | Chance of T-Storm | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C |
| POP: 80% | POP: 40% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 125 PM MDT Sun Sep 13 2026 

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Issued: 543 AM MDT Sun Sep 13 2026
Key Messages
- Below average temperatures through the middle of next week.
- Chance of showers (mainly light) through Monday. Isolated thunderstorms possible in southeast Montana this evening and overnight, possibly strong.
- Brisk west winds Monday; gusts over 50 mph possible from Big Timber to Harlowton.
Discussion
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Next 7 days (Through Saturday)...
Short wave ridging today ahead of an approaching upper low over the Pacific NW will lead to warmer and mainly dry conditions across our CWA today. Highs w...
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