National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

29°F

-2°C

Humidity 84%
Wind Speed W 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 09 Mar 11:35 PM PDT
Extended Forecast for

5 Miles WNW Alderdale WA

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of rain after 5pm. Snow level rising to 1900 feet in the afternoon. Mostly sunny, with a high near 47. Southwest wind 10 to 18 mph, with gusts as high as 23 mph.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 8pm and 11pm. Mostly cloudy, with a low around 36. Southwest wind 14 to 21 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 54. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 28 mph.

    High: 54 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely
    and Breezy

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 70%.

    High: 56 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm. Cloudy, with a low around 47. Breezy. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely
    and Breezy

  • Friday

    Friday: A 50 percent chance of rain. Cloudy, with a high near 59. Breezy.

    High: 59 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. West wind 11 to 13 mph, with gusts as high as 18 mph.
Tuesday
A 10 percent chance of rain after 5pm. Snow level rising to 1900 feet in the afternoon. Mostly sunny, with a high near 47. Southwest wind 10 to 18 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 8pm and 11pm. Mostly cloudy, with a low around 36. Southwest wind 14 to 21 mph, with gusts as high as 24 mph.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 54. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 28 mph.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 46. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 70%.
Thursday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 47. Breezy. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Cloudy, with a high near 59. Breezy.
Friday Night
Rain likely. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 70%.
Saturday
A chance of rain, mainly before 11am. Partly sunny, with a high near 55.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Sunday
A chance of rain and snow. Cloudy, with a high near 54.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
A chance of rain. Mostly cloudy, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Alderdale WA
 45.91°N 120.02°W (Elev. 902 ft)
Last Update:
10:37 pm PDT Mar 9, 2026
Forecast Valid:
11pm PDT Mar 9, 2026-6pm PDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation