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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

32°F

0°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.53 in (1033.86 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 09 Jan 10:35 PM PST
Extended Forecast for

11 Miles SE Mattawa WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 43. Light northeast wind.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. Calm wind.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. Calm wind.
Saturday
Mostly cloudy, with a high near 43. Light northeast wind.
Saturday Night
Mostly cloudy, with a low around 31. Calm wind.
Sunday
Mostly cloudy, with a high near 44. Calm wind.
Sunday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 34. Light and variable wind.
Monday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 53.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 45.
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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:
10:37 pm PST Jan 9, 2026
Forecast Valid:
10pm PST Jan 9, 2026-6pm PST Jan 16, 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