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City of Chinook, MTChinook, MT Weather Forecast
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Chinook Weather Forecast
| REST OF TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | |  |  | | | | | | |
| Mostly Cloudy | Chance of Rain | Chance of Snow | Chance of Rain | Mostly Sunny | Rain and Snow | Mostly Cloudy | Mostly Cloudy | Rain and Snow | Mostly Sunny | Rain and Snow | Rain and Snow |
| Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 41°FHi: 5°C Lo: 21°FLo: -6°C | Hi: 41°FHi: 5°C Lo: 21°FLo: -6°C | Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C | Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C |
| POP: 20% | POP: 70% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Mon Oct 26 2026 
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Issued: 220 PM MDT Mon Oct 26 2026
Key Messages
- Fog will continue to clear out during the afternoon.
- A storm system will bring light mountain snow and light rain/snow at lower elevations late tonight into Tuesday morning.
- Cooler and an slightly unsettled weather pattern continues through the rest of the week.
Discussion
...- Meteorological Overview:
Current satellite trends show fog and lower clouds are lifting out of Southwest MT as warmer air mixes down to the surface. Across North-Central MT, patchy dense fog has lifted but lower c...