7-Day Zone Forecast for Lewis County (Text-Only)
NWS Forecast for: Lewis County
Issued by: National Weather Service Buffalo, NY
Last Update: 706 PM EDT Sat Jul 12 2025




Tonight: Partly cloudy. A chance of showers and thunderstorms early. Warm with lows ranging from the mid 60s on the hilltops to around 70 across the lower elevations. South winds 10 mph or less. Chance of rain 30 percent.

Sunday: Partly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers with thunderstorms likely in the afternoon. Locally heavy rainfall possible in the afternoon. Humid with highs ranging from the upper 70s on the hilltops to the mid 80s across the lower elevations. South winds 10 mph or less. Chance of rain 90 percent.

Sunday Night: Showers with thunderstorms likely in the evening, then showers with a chance of thunderstorms overnight. Locally heavy rainfall possible in the evening. Muggy with lows in the mid 60s. Light winds. Chance of rain 80 percent.

Monday: Some patchy fog in the morning, otherwise partly sunny with a chance of showers in the morning, then sunny in the afternoon. Humid with highs ranging from the upper 70s on the hilltops to the lower 80s across the lower elevations. Light winds. Chance of rain 50 percent.

Monday Night: Clear with some patchy fog developing overnight. Lows around 60. Light winds.

Tuesday: Sunny. Patchy fog. Highs in the mid 80s.

Tuesday Night: Mainly clear with some patchy fog developing. Lows in the lower 60s.

Wednesday: Mostly sunny. Patchy fog. Highs in the upper 80s.

Wednesday Night: Mostly cloudy with a 30 percent chance of showers. Lows in the mid 60s.

Thursday: Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 60 percent.

Thursday Night: Showers likely with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 60 percent.

Friday: Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the upper 70s.

Friday Night: Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 50s.

Saturday: Mostly sunny. Highs in the upper 70s.







Zone Forecast: Lewis County

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