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Cascadia Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  | |  |  | | | | | | |  |
| Chance of Showers | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Chance of Rain | Chance of Rain |
| Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 501 PM PDT Sat Sep 05 2026 
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Issued: 138 PM PDT Sat Sep 5 2026
Aviation
...Through 00z Monday...A low pressure system continues to meander overhead, bringing continued moist conditions with light winds and persistent low chances for rain showers. VFR conditions are nonetheless favored across the airspace. Showers are most likely in areas of terrain, particularly the Cascades, with 15-25% chances for an isolated thunderstorm which could produce locally heavy rain, gusty and erratic winds, and small hail through this evening. Terminal impacts from any light ra...