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Kopiah, Washington Weather Forecast
Kopiah, Washington Weather
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Weather Forecast for Kopiah, Washington : Lewis County
Issued: 7:01 pm PST Dec 14, 2025 Latitude: 46.7059365 Longitude: -122.8079017 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
90% chance of rain on Overnight 90% chance of thunderstorms on Monday 100% chance of rain on Tuesday 90% chance of thunderstorms on Wednesday Rain on Thursday Rain on Friday Rain on Saturday Rain on Sunday
Low: 49°F High: 56°F High: 52°F High: 45°F High: 48°F High: 44°F High: 43°F High: 44°F
Low: 45°F Low: 39°F Low: 40°F Low: 39°F Low: 36°F Low: 36°F  
Rain Thunderstorms Rain Thunderstorms Rain Rain Rain Rain
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Current Conditions at
CHEHALIS-CENTRALIA - (KCLS)
54°
Cloudy
as of 12:35 AM PST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 14 MPH
180° South
Cloud Level(s): Solid Overcast at 4000ft
Current Conditions at
OLYMPIA - (KOLM)
54°
Cloudy
as of 11:54 PM PST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 4800ft
Current Conditions at
FORT LEWIS - (KGRF)
50°
Cloudy
Light Rain
as of 12:23 AM PST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
5 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 4300ft
Current Conditions at
MCCHORD AFB - (KTCM)
52°
Cloudy
Light Rain
as of 12:28 AM PST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Few at 2600ft, Few at 3300ft, Solid Overcast at 4500ft
90% chance of rain Overnight Overnight... Rain, mainly after 1am. Low around 49. South wind 15 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of thunderstorms Monday Monday... Rain and possibly a thunderstorm before 2pm, then rain likely between 2pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 56. Breezy, with a south wind 15 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

100% chance of thunderstorms Monday Night Monday Night... Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 45. South wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

100% chance of rain Tuesday Tuesday... Rain. High near 52. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

100% chance of rain Tuesday Night Tuesday Night... Rain. Low around 39. West southwest wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

90% chance of thunderstorms Wednesday Wednesday... Rain before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 45. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

90% chance of rain Wednesday Night Wednesday Night... Rain. Low around 40. Chance of precipitation is 90%.

Rain on Thursday Thursday... Rain. Cloudy, with a high near 48.

Rain on Thursday Night Thursday Night... Rain. Cloudy, with a low around 39.

Rain on Friday Friday... Rain. Cloudy, with a high near 44.

Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 36.

Rain on Saturday Saturday... Rain. Cloudy, with a high near 43.

Rain on Saturday Night Saturday Night... Rain. Cloudy, with a low around 36.

Rain on Sunday Sunday... Rain. Mostly cloudy, with a high near 44.

Current Radar Image


Sun Almanac for Kopiah, Washington
Sunrise: 07:50 AM
Sunset: 4:24 PM
Civil Sunrise:07:14 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:36 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:59 AM
Astro Sunset: 6:14 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.