Yellow Lake, MT Weather Forecast
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Yellow Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Partly Cloudy | Mostly Clear | Patchy Fog | Mostly Clear | Partly Cloudy | Chance of T-Storm | Chance of Rain | Rain and Snow | Partly Cloudy | Rain and Snow | Chance of Snow | Chance of Snow |
| Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 26°FLo: -3°C | Hi: 45°FHi: 7°C | Lo: 26°FLo: -3°C | Hi: 45°FHi: 7°C | Lo: 26°FLo: -3°C |
| POP: 90% | POP: 90% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1228 AM MDT Tue Oct 20 2026 

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Issued: 235 AM MDT Tue Oct 20 2026
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KEY MESSAGES:- Mild day-time temperatures through Thursday.
- Patchy valley fog around sunrise each morning.
- Significant change coming Friday into the weekend.
A broad ridge of high pressure will continue to bring mild day- time temperatures across the Northern Rockies through Thursday. Stable conditions under the ridge are promoting the development of valley inversions and cold air pools, with observations the last few days suggesting high temperatures are struggling to reach their ful...
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