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Deardorff Reservoir Weather Forecast
| OVERNIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | |  |  | | | |  | | | |
| Clearing | Sunny | Partly Cloudy | Partly Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Chance of Rain | Mostly Cloudy | Partly Cloudy | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1128 PM PDT Mon Aug 17 2026 
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Deardorff Reservoir Forecast Discussion
Issued: 1036 PM PDT Mon Aug 17 2026
Discussion
...Tonight through Saturday...Minimal changes to the forecast as dry and warm conditions continue through the week with minimal weather impacts. The large-scale pattern remains stagnant through the period as a cul looks to persist off of the OR/WA coast within the upper levels of the atmosphere. This is resulting in relatively calm winds and stagnant conditions. However, this pattern is at least maintaining northerly surface winds which will keep daytime h...