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

40°F

4°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 10 Jan 01:35 PM PST
Extended Forecast for

16 Miles S Royal City WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.

    High: 51 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 49.

    High: 49 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 31.

    Low: 31 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 46.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 42. Calm wind.
Tonight
Mostly cloudy, with a low around 30. Calm wind.
Sunday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 45. Calm wind.
Sunday Night
Mostly cloudy, with a low around 32. Calm wind.
Monday
Mostly cloudy, with a high near 51. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 34.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 49.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 31.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles S Royal City WA
 46.66°N 119.56°W (Elev. 453 ft)
Last Update:
1:30 pm PST Jan 10, 2026
Forecast Valid:
1pm PST Jan 10, 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