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

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

49°F

9°C

Humidity 53%
Wind Speed WSW 10 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 05 Mar 09:55 AM PST
Extended Forecast for

11 Miles SE Mattawa WA

  • Today

    Today: Sunny, with a high near 58. Northwest wind around 16 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. West wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 63. West wind around 7 mph.

    High: 63 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 46. West wind around 7 mph.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 66. Southwest wind 7 to 9 mph.

    High: 66 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

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

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 58. Northwest wind around 16 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 39. West wind 7 to 11 mph, with gusts as high as 22 mph.
Friday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 63. West wind around 7 mph.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 46. West wind around 7 mph.
Saturday
Mostly cloudy, with a high near 66. Southwest wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 32.
Tuesday
A slight chance of rain. Snow level rising to 1200 feet in the afternoon. Mostly sunny, with a high near 53.
Tuesday Night
A slight chance of rain and snow. Snow level 1200 feet. Mostly cloudy, with a low around 32.
Wednesday
A chance of rain and snow. Snow level 1300 feet rising to 2800 feet in the afternoon. Mostly cloudy, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
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:
9:15 am PST Mar 5, 2026
Forecast Valid:
10am PST Mar 5, 2026-6pm PDT Mar 11, 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