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Upper Reservoir Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
 |  | |  |  | |  |  | | | | |
| Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Windy | Partly Cloudy | Rain and Snow | Snow | Chance of Snow | Chance of Snow | Chance of Snow | Rain and Snow |
| Hi: 70°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 70°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 36°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 25°FLo: -4°C | Hi: 35°FHi: 2°C | Lo: 21°FLo: -6°C | Hi: 36°FHi: 2°C | Lo: 23°FLo: -5°C |
| POP: 60% | POP: 80% | POP: 80% | POP: 50% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Wed Oct 07 2026 
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Issued: 1256 AM MDT Wed Oct 7 2026
Discussion
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KEY MESSAGES:- Beautiful, mild, and unseasonably warm weather continues through Friday.
- Confidence continues to grow for a sharp transition to a colder pattern with the potential of snow along the Continental Divide this weekend.
Warm and dry conditions remain over our region as high temperatures continue to run 15 to 20 degrees above normal. These conditions are about to change.
Friday southerly breezes increase as a trough drops south out of Canada. Gusts up to 30 mph in valleys alon...