Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

36°F

2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Oct 03:35 AM PDT
Extended Forecast for

Sunnyside WA

  • Today

    Today: Areas of frost before 11am.  Otherwise, sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind becoming north 5 to 9 mph after midnight. Winds could gust as high as 21 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Northeast wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 2am.  Otherwise, mostly clear, with a low around 32. Northeast wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 32 °F

    Mostly Clear
    then Areas
    Frost

  • Columbus Day

    Columbus Day: Areas of frost before 11am.  Otherwise, sunny, with a high near 63. Calm wind.

    High: 63 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 31.

    Low: 31 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Areas of frost before 11am. Otherwise, sunny, with a high near 61. Calm wind.
Tonight
Partly cloudy, with a low around 36. Calm wind becoming north 5 to 9 mph after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 60. Northeast wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 32. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Columbus Day
Areas of frost before 11am. Otherwise, sunny, with a high near 63. Calm wind.
Monday Night
Clear, with a low around 31.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyside WA
 46.32°N 120°W (Elev. 748 ft)
4:01 am PDT Oct 10, 2026
5am PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database