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

37°F

3°C

Humidity 89%
Wind Speed N 0 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 09 Jan 10:35 AM PST
Extended Forecast for

Grandview WA

  • Today

    Today: Mostly sunny, with a high near 49. South wind 3 to 5 mph.

    High: 49 °F

    Mostly Sunny

  • 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. Calm wind.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy freezing fog after 4am. Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog

  • Sunday

    Sunday: Patchy freezing fog before 10am. Mostly cloudy, with a high near 44. Calm wind.

    High: 44 °F

    Patchy
    Freezing Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 49. South wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 31. Calm wind.
Saturday
Mostly cloudy, with a high near 43. Calm wind.
Saturday Night
Patchy freezing fog after 4am. Mostly cloudy, with a low around 29. Calm wind.
Sunday
Patchy freezing fog before 10am. Mostly cloudy, with a high near 44. Calm wind.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grandview WA
 46.25°N 119.89°W (Elev. 827 ft)
Last Update:
9:25 am PST Jan 9, 2026
Forecast Valid:
10am PST Jan 9, 2026-6pm PST Jan 15, 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