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

Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. 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: Partly cloudy, with a low around 41. West wind around 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. West wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 33. West wind 8 to 16 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 57. West wind around 7 mph becoming south in the afternoon.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. South wind around 6 mph becoming light and variable after midnight.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. West wind around 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 61. West wind 8 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 33. West wind 8 to 16 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 57. West wind around 7 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 32. South wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 61.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Partly 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:
1:45 am PDT Mar 25, 2026
Forecast Valid:
2am PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation