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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

N/A

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

2 Miles ENE Sunnyside WA

  • Today

    Today: Mostly cloudy, with a high near 70. West wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 48. West wind 6 to 9 mph becoming southeast in the evening.

    Low: 48 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 51. West wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 74. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 70. West wind 8 to 10 mph, with gusts as high as 18 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 48. West wind 6 to 9 mph becoming southeast in the evening.
Wednesday
Mostly cloudy, with a high near 71. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Cloudy, with a low around 51. West wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly cloudy, with a high near 74. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Mostly cloudy, with a high near 73.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Sunnyside WA
 46.33°N 119.97°W (Elev. 758 ft)
Last Update:
10:16 am PDT Mar 17, 2026
Forecast Valid:
10am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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