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Deep Reservoir Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT |
 |  |  | |  |  |  | | |  | | |
| Rain | Rain and Snow | Sleet | Sleet | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Lo: 35°FLo: 2°C | Hi: 39°FHi: 4°C | Lo: 30°FLo: -1°C | Hi: 35°FHi: 2°C | Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C | Hi: 51°FHi: 11°C Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C Lo: 31°FLo: -1°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C |
| POP: 90% | POP: 100% | POP: 100% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 351 PM MDT Sat Oct 10 2026 
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Issued: 344 PM MDT Sat Oct 10 2026
Key Messages
- An upper-level trough will produce precipitation tonight through Monday.
- Cooler, near average temperatures are to be expected this forecast.
Discussion
... An upper-level trough is digging over the western US. Subsequent moisture-ladden SW flow with aloft will produce precipitation tonight through Monday. Embedded minor perturbations within the flow may cause localized areas of greater precipitation. Polar air associated with the system will cause colder temperatures this weekend.
Rain ...