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Lewis County, ID Weather Forecast

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Lewis County, ID Weather Forecast

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Lewis County ID weather - Sunny - 76°F
Sunny
76°F
Updated 1:17 pm
Feels Like 72°F
Humidity 36%
Wind NNE 9 mph
Barometer  29.85 in
Dew Point 47°F
Lewis County ID weather - Sunny - 24°C
Sunny
24°C
Updated 1:17 pm
Feels Like 22°C
Humidity 36%
Wind NNE 14 km/h
Barometer  101.1 kPa
Dew Point 8°C
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Lewis County Weather Forecast

REST OF TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY WEDNESDAY
Lewis County, ID Weather - Rest Of Today Sunny Lewis County, ID Weather - Tonight Mostly Cloudy Lewis County, ID Weather - Friday Chance Of Showers Lewis County, ID Weather - Friday Night Partly Cloudy Lewis County, ID Weather - Saturday Partly Cloudy Lewis County, ID Weather - Saturday Night Partly Cloudy Lewis County, ID Weather - Sunday Partly Cloudy Lewis County, ID Weather - Monday Partly Cloudy Lewis County, ID Weather - Tuesday Partly Cloudy Lewis County, ID Weather - Wednesday Partly Cloudy
Sunny Mostly Cloudy Chance of Showers Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Hi: 85°FHi: 29°C
 Lo: 55°FLo: 13°C Hi: 66°FHi: 19°C
 Lo: 40°FLo: 4°C Hi: 69°FHi: 21°C
 Hi: 66°FHi: 19°C
Lo: 49°FLo: 9°C		 Hi: 66°FHi: 19°C
Lo: 49°FLo: 9°C		 Hi: 66°FHi: 19°C
Lo: 49°FLo: 9°C		 Hi: 66°FHi: 19°C
Lo: 49°FLo: 9°C		 Hi: 66°FHi: 19°C
Lo: 49°FLo: 9°C
POP: 90%
POP = Probability of Precipitation.
Weather Outlook Updated: 1134 AM PDT Thu Sep 24 2026 Lewis County, ID Weather - WeatherWorld.com

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Issued: 1112 AM PDT Thu Sep 24 2026

Key Messages

  • Mild temperatures, before cooling Friday into the weekend, with highs into the upper 50s to mid 60s Saturday.
  • A system brings stronger winds and an increasing risk for rain, thunderstorms and high mountain snow Thursday night through Saturday.

Discussion

... WINDY CONDITIONS FRIDAY...

Today: a trough digging south from the Gulf of Alaska will bring a southwest flow. Combined with higher heights linger over the area, this will allow for mild day over the Upper Columbia Basin, Spokane Are...