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Lewis County Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
 |  | |  |  |  |  | | | | | |
| Chance of Showers | Showers | Showers | Chance of Showers | Partly Sunny | Clear | Sunny | Clear | Partly Sunny | Showers | Chance of Showers | Chance of Showers |
| Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | |
| POP: 30% | POP: 80% | POP: 70% | POP: 40% | POP: 60% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Wed Oct 07 2026 
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Issued: 139 AM EDT Wed Oct 7 2026
Key Messages
1) Warmer and breezy today with scattered showers through Thursday.
Discussion
... KEY MESSAGE 1...Warmer and breezy today with scattered showers through Thursday.
Surface high pressure centered over the Mid-Atlantic region and ridging northward across the eastern Great Lakes early this morning will gradually give way to a surface low and associated fronts throughout the remainder of the day. However, before getting to far ahead of ourselves, with the ridge of high pressure currently ov...