Culbertson, MT Weather Forecast
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Culbertson Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Showers | Showers | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny |
| Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C |
| POP: 30% | POP: 60% | POP: 70% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 516 AM MDT Fri Sep 18 2026 

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Issued: 1201 AM MDT Fri Sep 18 2026
Key Messages
- Temperatures remain warm through Friday then cooler than average temperatures are expected Saturday and Sunday into the mid 60s trending towards lower 60s on Sunday. Warmer temperatures are anticipated to return to the region next week.
- Chances of widespread showers return Friday night into Saturday. Embedded thunderstorms possible.
Discussion
... SYNOPTIC SETUP: An low pressure system moving south into northern California cut off by the northern stream will continue to lift northeast ...
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