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

Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs 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

11 Miles SE Mattawa WA

  • Overnight

    Overnight: Cloudy, with a low around 57. Southwest wind around 8 mph.

    Low: 57 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 77. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 76. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 76 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. West wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 57. Southwest wind around 8 mph.
Thursday
Mostly cloudy, with a high near 77. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 55. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Friday
Mostly cloudy, with a high near 76. Southwest wind 8 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 46. West wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly cloudy, with a high near 61.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Mattawa WA
 46.64°N 119.74°W (Elev. 400 ft)
Last Update:
2:07 am PDT Mar 19, 2026
Forecast Valid:
2am PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation