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City of Chelan, WAChelan, WA Weather Forecast
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Chelan Weather Forecast
| TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | |  |  | | |  | | | |  |
| Chance of Showers | Chance of Showers | Chance of Showers | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers | Mostly Clear | Chance of Showers |
| Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Hi: 70°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C Lo: 50°FLo: 10°C | Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 237 PM PDT Sun Sep 06 2026 
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Issued: 455 PM PDT Sun Sep 6 2026
Key Messages
- Cool and showery weather expected through Monday with isolated thunderstorms. Locally heavy rain will bring flooding concerns over recently burned areas and steep terrain late Sunday afternoon into Monday.
- A warming and drying trend returns around the middle of next week.
Discussion
... Tonight through Tuesday: A broad low near Redmond, Oregon Sunday afternoon, migrates to the southern Panhandle of Idaho early Monday and Montana by Monday afternoon. At the same time a secondary upper l...