Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

79°F

26°C

Humidity 21%
Wind Speed W 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Jul 09:15 PM PDT
Extended Forecast for

Zillah WA

  • Tonight

    Tonight: Clear, with a low around 56. Northwest wind 5 to 8 mph.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West wind 5 to 7 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

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

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 56. Northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 89. West wind 5 to 7 mph.
Tuesday Night
Clear, with a low around 55. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Zillah WA
 46.4°N 120.27°W (Elev. 797 ft)
3:01 pm PDT Jul 26, 2026
9pm PDT Jul 26, 2026-6pm PDT Aug 2, 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