Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Mostly Cloudy

62°F

17°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 04 Sep 10:15 AM PDT
Extended Forecast for

Zillah WA

  • Today

    Today: Sunny, with a high near 73. Calm wind becoming southeast around 5 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 5am.  Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am, then a slight chance of showers after 11am.  Partly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers before 11am.  Partly sunny, with a high near 75. Light north wind.

    High: 75 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

  • Labor Day

    Labor Day: A 20 percent chance of showers.  Mostly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Calm wind becoming southeast around 5 mph.
Tonight
A 30 percent chance of showers after 5am. Mostly clear, with a low around 44. Calm wind.
Saturday
A chance of showers before 8am, then a slight chance of showers after 11am. Partly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 44. Calm wind.
Sunday
A 30 percent chance of showers before 11am. Partly sunny, with a high near 75. Light north wind.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Labor Day
A 20 percent chance of showers. Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 51.
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)
4:01 am PDT Sep 4, 2026
10am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database