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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

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

  • Today

    Today: Mostly cloudy, with a high near 72. West wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 45. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northwest wind 6 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. West wind 5 to 9 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 72. West wind 10 to 20 mph, with gusts as high as 31 mph.
Tonight
Cloudy, with a low around 45. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 61. Northwest wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 32. West wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 58. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 60.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 40.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Toppenish WA
 46.3°N 120.34°W (Elev. 778 ft)
Last Update:
7:37 am PDT Mar 20, 2026
Forecast Valid:
8am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation