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Sunnyside School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
 | |  |  | |  |  |  |  |  | | |
| Hazy | Hazy | Clearing | Mostly Clear | Partly Cloudy | Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 86°FHi: 30°C | Lo: 55°FLo: 13°C | Hi: 90°FHi: 32°C | Lo: 56°FLo: 13°C | Hi: 93°FHi: 34°C | Lo: 60°FLo: 16°C | Hi: 87°FHi: 31°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Hi: 83°FHi: 28°C Lo: 59°FLo: 15°C | Hi: 83°FHi: 28°C Lo: 59°FLo: 15°C | Hi: 83°FHi: 28°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 AM PDT Wed Aug 19 2026 
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Sunnyside School Forecast Discussion
Issued: 348 AM PDT Wed Aug 19 2026
Key Messages
- Warm, dry conditions through Friday.
- Weekend system brings thunder threat and gusty winds, resulting in increasing fire weather concerns.
Discussion
... Today through Friday: With the ridge over the region, warm, dry conditions will persist through the period. Highs will rise a few degrees from the previous day and bring moderate HeatRisk to portions of the Basin on Thursday and Friday. The Basin and valleys have at least 60% probability of highs greater t...