Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

61°F

16°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Aug 07:35 AM PDT
Extended Forecast for

Zillah WA

Fire Weather Watch August 22, 12:00pm until August 22, 10:00pm
Heat Advisory August 21, 07:48am until August 21, 10:00pm
Click here for hazard details and duration
Fire Weather Watch
Heat Advisory
  •  
    Heat Advisory August 21, 07:48am until August 21, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Today

    High: 97 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke after 2am. Mostly cloudy, with a low around 66. Light northwest wind.

    Low: 66 °F

    Cloudy then
    Patchy Smoke

  • Saturday

    Saturday: Patchy smoke before 11am. Partly sunny, then gradually becoming sunny, with a high near 94. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 29 mph.

    High: 94 °F

    Patchy Smoke
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. West wind 3 to 6 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Today
Patchy smoke after 11am. Increasing clouds, with a high near 97. Light and variable wind.
Tonight
Patchy smoke after 2am. Mostly cloudy, with a low around 66. Light northwest wind.
Saturday
Patchy smoke before 11am. Partly sunny, then gradually becoming sunny, with a high near 94. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 29 mph.
Saturday Night
Mostly clear, with a low around 55. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 86. West wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Zillah WA
 46.4°N 120.27°W (Elev. 797 ft)
4:57 am PDT Aug 21, 2026
7am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database