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

Record Temperatures Expected Across the Southern US; Fire Weather Concerns in the Central US

Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. 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 SSW Mattawa WA

  • Tonight

    Tonight: Mostly clear, with a low around 31. Southeast wind 5 to 7 mph becoming northeast after midnight.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 51. North wind 6 to 8 mph becoming east in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. Northeast wind 6 to 9 mph becoming west in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57. Northwest wind 6 to 9 mph.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: A 10 percent chance of rain after 5pm. Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 8pm, then a slight chance of snow. Partly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Southeast wind 5 to 7 mph becoming northeast after midnight.
Friday
Increasing clouds, with a high near 51. North wind 6 to 8 mph becoming east in the afternoon.
Friday Night
Mostly cloudy, with a low around 39. Northeast wind 6 to 9 mph becoming west in the evening.
Saturday
Partly sunny, with a high near 57. Northwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 37. West wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
A 10 percent chance of rain after 5pm. Partly sunny, with a high near 50.
Monday Night
A slight chance of rain before 8pm, then a slight chance of snow. Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 49.
Tuesday Night
A slight chance of rain and snow. Snow level 3200 feet. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain and snow. Snow level rising to 3800 feet in the afternoon. Partly sunny, with a high near 47.
Wednesday Night
A chance of rain and snow. Snow level 4200 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 35.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Mattawa WA
 46.59°N 119.98°W (Elev. 3100 ft)
Last Update:
10:15 pm PDT Mar 26, 2026
Forecast Valid:
10pm PDT Mar 26, 2026-6pm PDT Apr 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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