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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. 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

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 32. West wind 9 to 17 mph, with gusts as high as 28 mph.

    Low: 32 °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 33. Southeast wind around 6 mph becoming light and variable in the evening.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61. North wind around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. North wind around 6 mph becoming northwest in the evening.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 32. West wind 9 to 17 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 33. Southeast wind around 6 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 61. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 39. North wind around 6 mph becoming northwest in the evening.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 61.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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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:
4:15 pm PDT Mar 25, 2026
Forecast Valid:
4pm PDT Mar 25, 2026-6pm PDT Apr 1, 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