Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

38°F

3°C

Humidity 88%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 02 Mar 10:15 PM PST
Extended Forecast for

5 Miles WNW Alderdale WA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 60. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 60 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 10pm.  Cloudy, with a low around 46. Southwest wind 8 to 10 mph.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 55. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 39. Breezy, with a west wind 17 to 22 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Slight Chance
    Rain and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of rain after 4pm.  Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of rain after 4pm.  Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. West wind around 6 mph.
Tuesday
Increasing clouds, with a high near 60. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of rain after 10pm. Cloudy, with a low around 46. Southwest wind 8 to 10 mph.
Wednesday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 55. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 39. Breezy, with a west wind 17 to 22 mph, with gusts as high as 26 mph.
Thursday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 54.
Thursday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 38.
Friday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 55.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 59.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Alderdale WA
 45.91°N 120.02°W (Elev. 902 ft)
9:15 pm PST Mar 2, 2026
10pm PST Mar 2, 2026-6pm PDT Mar 9, 2026
 
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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