| NWS Forecast for: Lewis County Issued by: National Weather Service Buffalo, NY Last Update: 230 AM EDT Fri Apr 3 2026 |  |
Overnight: Cloudy. A chance of showers and thunderstorms, then showers likely with a chance of thunderstorms late. Breezy. Near steady temperatures ranging from around 40 on the hilltops to the mid 40s across the lower elevations. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 70 percent. Friday: Mostly cloudy with showers with a chance of thunderstorms in the morning, then partly sunny with a chance of showers in the afternoon. Breezy and much warmer with highs ranging from the lower 60s on the hilltops to the upper 60s across the lower elevations. South winds 10 to 20 mph with gusts up to 40 mph, becoming southwest. Chance of rain 90 percent. Friday Night: Mostly cloudy. Lows in the mid 30s. West winds 10 to 15 mph with gusts up to 30 mph in the evening, becoming light. Saturday: Partly sunny in the morning, then mostly cloudy with rain showers likely in the afternoon. Mild with highs ranging from the mid 50s on the hilltops to around 60 across the lower elevations. Light winds. Chance of rain 60 percent. Saturday Night: Showers. Locally heavy rainfall possible overnight. Breezy with lows ranging from the upper 30s on the hilltops to the lower 40s across the lower elevations. Southeast winds 10 to 15 mph with gusts up to 35 mph, becoming south. Chance of rain near 100 percent. Sunday: Showers. Locally heavy rainfall possible. Highs in the upper 40s. Chance of rain near 100 percent. Sunday Night: Mostly cloudy with a 40 percent chance of snow showers. Lows in the upper 20s. Monday: Mostly cloudy with a 40 percent chance of snow showers. Highs in the upper 30s. Monday Night: Mostly cloudy with a 30 percent chance of snow showers. Lows in the lower 20s. Tuesday: Partly sunny with a 30 percent chance of snow showers. Highs in the mid 30s. Tuesday Night: Partly cloudy. Lows 15 to 20. Wednesday: Sunny. Highs in the mid 40s. Wednesday Night: Mostly cloudy. Lows in the lower 30s. Thursday: Partly sunny with a 40 percent chance of rain showers. Highs in the mid 50s. | |
| Zone Forecast: Lewis County | |
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