Custer County High School, MT Weather Forecast
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Custer County High School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
| Partly Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers | Rain/Snow Showers | Rain/Snow Showers | Rain/Snow Showers | Rain/Snow Showers |
| Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 35°FLo: 2°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1236 AM MDT Wed Oct 07 2026 

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Issued: 1248 AM MDT Wed Oct 7 2026
Key Messages
- Very warm, dry and occasionally breezy through Friday. Fire concerns will remain elevated, and may be critical on Friday with increased winds and lower humidities.
- Cold front arrives early Saturday, then much cooler Saturday night through Tuesday; this will be the coolest air mass yet of the fall.
- Strong weather system arrives this weekend. Increasing confidence for mountains/foothills snow Saturday night to Monday, with rain and wet snow at lower elevations. Greatest potential for s...
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