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Washington School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Sunny | Chance of T-Storm | Partly Sunny | Chance of Rain | Partly Sunny | Partly Cloudy | Partly Cloudy | Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of T-Storm |
| Hi: 82°FHi: 28°C | Lo: 53°FLo: 12°C | Hi: 84°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 82°FHi: 28°C | Hi: 83°FHi: 28°C Lo: 54°FLo: 12°C | Hi: 83°FHi: 28°C Lo: 54°FLo: 12°C | Hi: 87°FHi: 31°C | Lo: 58°FLo: 14°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 87°FHi: 31°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM MDT Sun Aug 16 2026 
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Issued: 131 AM MDT Sun Aug 16 2026
Key Messages
- Isolated to scattered heat of the day storms will continue into Monday afternoon.
- Early-Week Passing Trough: A shortwave tracking north of the region Monday Night into Tuesday will bring 30%50% precipitation coverage to the Central Mountains, Montana Divide, and Eastern Highlands.
- Late-Week Heat Surge: Strong Great Basin high-pressure ridging will rebuild mid-to-late week, restoring a dry, late- summer regime with valley highs returning to the 90s.