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North Matthieu Lake TrailNorth Matthieu Lake, OR Weather Forecast
Sisters Ranger District - 201 N. Pine Street, Sisters, OR 97759 (541) 549-7700Quick Weather Clicks
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North Matthieu Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
 |  |  | |  |  | | |  | |
| Smoke | Clearing | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers |
| Lo: 50°FLo: 10°C | Lo: 59°FLo: 15°C | Lo: 50°FLo: 10°C | |||||||
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 PM PDT Sat Aug 15 2026 
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North Matthieu Lake Forecast Discussion
Issued: 939 PM PDT Sat Aug 15 2026
Key Messages
- Lower (<20 percent) chances of showers and thunderstorms Sunday and a 20-30 percent chance of showers Monday with a (<20 percent) chance of thunderstorms mainly from the Blue Mountains eastward.
- Increasing winds later Monday into Tuesday.
Discussion
...issued at 200 PM PDT Sat Aug 15 2026... Southwesterly flow remains over the Pacific Northwest. Low pressure will move from near British Columbia to well off the Oregon and California coasts by Monday afternoon. This will allow for a more split flow pattern to develop early next week, which should keep things dry. A ridge will build back over the area by midweek, with a return to southwest or...