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Umtanum, Washington Weather Forecast
Umtanum, Washington Weather
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Weather Forecast for Umtanum, Washington : Kittitas County
Issued: 4:20 am PST Dec 15, 2025 Latitude: 46.8648486 Longitude: -120.4797893 View on Google Maps

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Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
50% chance of rain on Today 30% chance of rain on Tonight 80% chance of rain on Tuesday 50% chance of rain & snow on Wednesday 90% chance of rain & snow on Thursday 40% chance of rain & snow on Friday 20% chance of snow on Saturday 20% chance of snow on Sunday
High: 57°F Low: 36°F High: 48°F High: 43°F High: 37°F High: 40°F High: 37°F High: 36°F
Low: 36°F Low: 32°F Low: 31°F Low: 26°F Low: 25°F  
Rain Rain Rain Rain & Snow Rain & Snow Rain & Snow Snow Snow
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Current Conditions at
ELLENSBURG - (KELN)
39°
Cloudy
Light Rain
as of 6:53 AM PST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 7 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 8500ft, Solid Overcast at 11000ft
Current Conditions at
YAKIMA - (KYKM)
54°
Cloudy
as of 6:53 AM PST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Few at 7000ft, Scattered at 8500ft, Solid Overcast at 10000ft
Current Conditions at
WENATCHEE - (KEAT)
39°
Mostly Cloudy
Mist
as of 7:03 AM PST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 3 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
3 MPH
280° West
Cloud Level(s): Few at 200ft, Scattered at 2000ft, Broken at 7000ft
Current Conditions at
STAMPEDE PASS - (KSMP)
39°
Cloudy
Light Rain Fog
as of 7:43 AM PST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 1/2 Miles
Pressure: 29.84 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 1300ft, Broken at 1900ft, Solid Overcast at 2400ft
50% chance of rain Today Today... A 50 percent chance of rain, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 57. Southwest wind 6 to 16 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
30% chance of rain Tonight Tonight... A slight chance of rain before 7pm, then a chance of rain after 1am. Partly cloudy, with a low around 36. West wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
80% chance of rain Tuesday Tuesday... Rain, mainly after 10am. High near 48. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain & snow Tuesday Night Tuesday Night... Rain before 4am, then a chance of rain and snow. Low around 36. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
50% chance of rain & snow Wednesday Wednesday... A chance of rain and snow before 4pm, then a slight chance of rain. Snow level 2300 feet. Mostly sunny, with a high near 43. West wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
60% chance of rain & snow Wednesday Night Wednesday Night... A slight chance of rain before 7pm, then rain and snow likely. Snow level 2400 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
90% chance of rain & snow Thursday Thursday... Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 2400 feet rising to 3300 feet in the afternoon. High near 37. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
80% chance of rain & snow Thursday Night Thursday Night... Rain before 10pm, then a chance of rain and snow. Low around 31. Chance of precipitation is 80%.
40% chance of rain & snow Friday Friday... A chance of rain and snow. Snow level 2300 feet. Mostly sunny, with a high near 40. Chance of precipitation is 40%.
20% chance of snow Friday Night Friday Night... A chance of snow. Partly cloudy, with a low around 26.
20% chance of snow Saturday Saturday... A chance of snow. Mostly sunny, with a high near 37.
20% chance of snow Saturday Night Saturday Night... A chance of snow. Partly cloudy, with a low around 25.
20% chance of snow Sunday Sunday... A chance of snow. Partly sunny, with a high near 36.
Current Radar Image


Sun Almanac for Umtanum, Washington
Sunrise: 07:41 AM
Sunset: 4:14 PM
Civil Sunrise:07:06 AM
Civil Sunset: 4:49 PM
Nautical Sunrise: 06:27 AM
Nautical Sunset: 5:28 PM
Astro Sunrise: 05:50 AM
Astro Sunset: 6:05 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.