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| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  | | | | |  | | |
| Chance of Showers | Clearing | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Mostly Clear |
| Lo: 50°FLo: 10°C | Hi: 77°FHi: 25°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 73°FHi: 23°C Lo: 46°FLo: 8°C | Hi: 73°FHi: 23°C Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C Lo: 46°FLo: 8°C |
| POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 327 PM PDT Mon Sep 07 2026 
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Issued: 515 PM PDT Mon Sep 7 2026
Key Messages
- Cool and showery weather expected through Monday.
- A warming and drying trend returns around the middle of the week.
Discussion
... Tonight and Tuesday: Low pressure remains over the NW U.S., with the primary center over Montana and a secondary low over the Cascades this afternoon. This will be the primary precipitation producer this period. A deformation axis joining these feature is providing a focal point for moisture and precipitation. The low near the Cascades pivots south and east...