Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

47°F

8°C

Humidity 94%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 09 Sep 04:15 AM PDT
Extended Forecast for

2 Miles ENE Sunnyside WA

  • Today

    Today: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 84 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. West wind 5 to 9 mph becoming calm  after midnight.

    Low: 47 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 11am.  Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 11pm.  Mostly cloudy, with a low around 46. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers before 11am.  Mostly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind.
Tonight
Increasing clouds, with a low around 52. Calm wind.
Thursday
Mostly cloudy, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. West wind 5 to 9 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 74. Calm wind.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A 40 percent chance of showers after 11am. Partly sunny, with a high near 70.
Saturday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Sunnyside WA
 46.33°N 119.97°W (Elev. 758 ft)
4:06 am PDT Sep 9, 2026
4am PDT Sep 9, 2026-6pm PDT Sep 15, 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