National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

N/A

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

5 Miles SSW Toppenish WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 50. Southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 68 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. West wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 50. Southwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 68. West wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 49. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 71. West wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 51. West wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 71.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Toppenish WA
 46.3°N 120.34°W (Elev. 778 ft)
Last Update:
10:15 pm PDT Mar 16, 2026
Forecast Valid:
12am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
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Additional Resources

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Chance of Precipitation