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Lewiston School, UT Weather Forecast
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Lewiston School Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY |
 |  | |  |  |  |  |  | | | |
| Thunderstorms | Thunderstorms | Thunderstorms | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Clear | Mostly Clear | Clear | Clear | Sunny |
| Hi: 59°FHi: 15°C | Lo: 30°FLo: -1°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 59°FHi: 15°C | Lo: 29°FLo: -2°C | Hi: 65°FHi: 18°C Lo: 30°FLo: -1°C | Hi: 65°FHi: 18°C Lo: 30°FLo: -1°C | Hi: 65°FHi: 18°C Lo: 30°FLo: -1°C | Hi: 65°FHi: 18°C Lo: 30°FLo: -1°C | Hi: 69°FHi: 21°C |
| POP: 90% | POP: 90% | POP: 90% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1242 AM MDT Mon Oct 12 2026 
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Issued: 149 AM MDT Mon Oct 12 2026
Key Messages
.KEY MESSAGES, Issued 1011 PM MDT Sun Oct 11 2026...- A Pacific Northwest low will enter Utah and southwest Wyoming tonight, interacting with moisture from the remnants of Tropical Storm Rachel and moving slowly across the area through Tuesday. This will bring another round of widespread precipitation with an elevated potential for flash flooding along with cooler temperatures and lowering snow levels, bringing accumulating mountain snow.
- Some outlying valleys, including the Cache Val...