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

Hazardous Weather Conditions

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

23°F

-5°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

5 Miles WNW Alderdale WA

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 43. Breezy, with a southwest wind 19 to 29 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain. High near 54. Southwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 40. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: A slight chance of rain, mixing with snow after 8am, then gradually ending. Snow level 3000 feet lowering to 1100 feet. Mostly sunny, with a high near 50. West wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. West wind 5 to 15 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Snow level rising to 2600 feet in the afternoon. Mostly cloudy, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 11pm. Cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 2am. Low around 43. Breezy, with a southwest wind 19 to 29 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 54. Southwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 40. Southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of rain, mixing with snow after 8am, then gradually ending. Snow level 3000 feet lowering to 1100 feet. Mostly sunny, with a high near 50. West wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 32. West wind 5 to 15 mph.
Sunday
A 20 percent chance of rain after 11am. Snow level rising to 2600 feet in the afternoon. Mostly cloudy, with a high near 49.
Sunday Night
A 20 percent chance of rain before 11pm. Cloudy, with a low around 41.
Monday
Mostly cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 70.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 68.
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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:
4:16 pm PDT Mar 12, 2026
Forecast Valid:
7pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation