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Lagoon Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | | |  |  |  | | |  |  |
| Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Patchy Fog | Chance of Rain | Mostly Cloudy | Partly Cloudy | Rain and Snow | Chance of Snow |
| Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 46°FHi: 8°C | Lo: 30°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 30°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 30°FLo: -1°C |
| POP: 20% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 AM MST Wed Nov 11 2026 
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Issued: 1250 AM MST Wed Nov 11 2026
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KEY MESSAGES:- Today through Friday Fog & Low Cloud Potential: Strong high pressure increasing likelihood of valley inversions.
- Pattern Shift: A Pacific system will tap into atmospheric river moisture beginning Saturday, snow levels stay relatively high but precipitation amounts very light.
- Further cooling early to mid next week with potential for snow levels to lower further.
Today through Friday: High pressure builds into the Northern Rockies today and will persist through Friday, s...