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Mountain Home Park, Washington Weather Forecast
Mountain Home Park, Washington Weather
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Weather Forecast for Mountain Home Park, Washington : Columbia County
Issued: 3:20 pm PST Dec 15, 2025 Latitude: 46.2370861 Longitude: -117.8935392 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
70% chance of rain on Tonight 40% chance of rain on Tuesday 80% chance of rain & snow on Wednesday 100% chance of rain on Thursday 80% chance of rain & snow on Friday 20% chance of rain & snow on Saturday 20% chance of rain & snow on Sunday 70% chance of rain & snow on Monday
Low: 43°F High: 57°F High: 50°F High: 52°F High: 47°F High: 44°F High: 46°F High: 48°F
Low: 36°F Low: 34°F Low: 38°F Low: 31°F Low: 31°F Low: 33°F  
Rain Rain Rain & Snow Rain Rain & Snow Rain & Snow Rain & Snow Rain & Snow
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Current Conditions at
WALLA WALLA - (KALW)
64°
Cloudy
as of 5:07 PM PST
Rel. Humidity: 48%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 31 MPH
220° Southwest
Cloud Level(s): Scattered at 7000ft, Solid Overcast at 8500ft
Current Conditions at
LEWISTON - (KLWS)
59°
Partly Cloudy
as of 4:56 PM PST
Rel. Humidity: 47%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
28 MPH
Gust: 39 MPH
180° South
Cloud Level(s): Scattered at 10000ft
Current Conditions at
PULLMAN - (KPUW)
48°
Feels like 42°F
Cloudy
as of 4:53 PM PST
Rel. Humidity: 76%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
14 MPH
130° Southeast
Cloud Level(s): Scattered at 5000ft, Broken at 6000ft, Solid Overcast at 9000ft
70% chance of rain Tonight Tonight... Rain likely, mainly before 7pm. Mostly cloudy, with a low around 43. Breezy, with a southwest wind 17 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
40% chance of rain Tuesday Tuesday... A 40 percent chance of rain. Partly sunny, with a high near 57. Southwest wind 16 to 21 mph, with gusts as high as 28 mph.
100% chance of thunderstorms Tuesday Night Tuesday Night... Rain before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 36. Windy, with a southwest wind 22 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of rain & snow Wednesday Wednesday... Rain, mainly before 10am. Snow level 2700 feet. High near 50. Windy, with a southwest wind 32 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
80% chance of rain & snow Wednesday Night Wednesday Night... Rain, mainly after 4am. Snow level 2700 feet. Low around 34. South wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Thursday Thursday... Rain. High near 52. Chance of precipitation is 100%.
90% chance of rain Thursday Night Thursday Night... Rain. Low around 38. Breezy. Chance of precipitation is 90%.
80% chance of rain & snow Friday Friday... Rain, possibly mixed with snow. High near 47. Chance of precipitation is 80%.
50% chance of rain & snow Friday Night Friday Night... A chance of rain and snow before 4am, then a chance of snow. Snow level 2800 feet lowering to 2200 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
20% chance of rain & snow Saturday Saturday... A chance of snow before 10am, then a chance of rain and snow. Snow level rising to 2600 feet in the afternoon. Partly sunny, with a high near 44.
20% chance of rain & snow Saturday Night Saturday Night... A chance of rain and snow. Snow level 2500 feet. Mostly cloudy, with a low around 31.
20% chance of rain & snow Sunday Sunday... A chance of rain and snow. Snow level 2600 feet rising to 3500 feet in the afternoon. Partly sunny, with a high near 46.
Rain and Snow on Sunday Night Sunday Night... Rain and snow likely. Mostly cloudy, with a low around 33.
70% chance of rain & snow Monday Monday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 48.
Sun Almanac for Mountain Home Park, Washington
Sunrise: 07:28 AM
Sunset: 4:06 PM
Civil Sunrise:06:53 AM
Civil Sunset: 4:41 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:19 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 5:55 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.