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Cayuse Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | |  |  | | | | | |  |
| Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Chance of Showers | Partly Cloudy |
| Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C | Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C Lo: 46°FLo: 8°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 77°FHi: 25°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1147 PM PDT Sat Sep 05 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
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Issued: 238 AM PDT Sun Sep 6 2026
Key Messages
- Increasing rain shower chances as an upper low swings across the area through Monday
- Low chances (15-25%) of isolated thunderstorms mainly across mountainous terrain through Monday
- Mostly dry conditions with light winds and seasonable temperatures the remainder of next week
Discussion
...Satellite imagery tonight continues to show a well defined closed low over the PacNW, with a shortwave impulse pivoting around the low and into south central OR at this time. Ahead of the trough, regio...