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Lewis Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | | |  |  | | | |  |  |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Clearing | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C |
| POP: 80% | POP: 70% | POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 AM EDT Sat Sep 12 2026 
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Issued: 104 PM EDT Sat Sep 12 2026
Key Messages
1) Occasional showers and thunderstorms are expected this weekend. Locally heavy rainfall will be possible into this evening.
2) Additional chances for precipitation are expected during the middle part of next week, along with warming temperatures.
Discussion
... KEY MESSAGE 1)
Showers and areas of embedded thunderstorms continue this afternoon ahead of an approaching upper level vorticity max. Efficient rainfalls rates have been observed (1+ inches per hour) in the high PWAT environment...