Frontier Junior High School, WA Weather Forecast
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Frontier Junior High School Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
| Sunny | Mostly Cloudy | Cloudy | Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Hi: 63°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Hi: 69°FHi: 21°C Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C | Lo: 37°FLo: 3°C | Hi: 56°FHi: 13°C Lo: 35°FLo: 2°C | Hi: 56°FHi: 13°C Lo: 35°FLo: 2°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1135 AM PDT Sun Oct 18 2026 

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Issued: 1030 AM PDT Sun Oct 18 2026
Key Messages
- Dry weather continues through at least the middle of next week with mild afternoon temperatures.
- Breezy winds down the Okanogan Valley on Tuesday.
- Cooler weather with increased precipitation chances arrive late next week.
Discussion
... Today through Wednesday: A shallow ridge will briefly be over the region today. Starting on Monday, A trough will be digging a low along to coast into California. The Low becomes cutoff and a split flow pattern develops over the Northwest. It will bring...
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