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Lewiston Elementary School Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY |
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| Chance of T-Storm | Clearing | Sunny | Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Sunny |
| Hi: 78°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 84°FHi: 29°C | Lo: 53°FLo: 12°C | Hi: 95°FHi: 35°C | Lo: 57°FLo: 14°C | Hi: 98°FHi: 37°C Lo: 57°FLo: 14°C | Hi: 98°FHi: 37°C Lo: 57°FLo: 14°C | Hi: 96°FHi: 36°C Lo: 56°FLo: 13°C | Hi: 96°FHi: 36°C Lo: 56°FLo: 13°C | Hi: 92°FHi: 33°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 AM PDT Thu Sep 17 2026 
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Issued: 1205 AM PDT Thu Sep 17 2026
Key Messages
- A frontal system brought thunderstorms, hail, and showers Wednesday and could return Thursday.
- There is a slight chance for thunderstorms in mainly in Trinity, Humboldt and Del Norte counties on Thursday.
- Warmer temperatures and dry conditions return end of the week.
Discussion
...An upper level low that has moved south over the PACNW is expected to continue impacting the area Thursday. This is expected to bring some showers and possible thunderstorms to the area Thursday afternoon and...