Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Fog

32°F

0°C

Humidity 99%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Last update 31 Jan 01:35 AM PST
Extended Forecast for

5 Miles WNW Alderdale WA

  • Overnight

    Overnight: A 10 percent chance of rain after 4am.  Patchy fog.  Otherwise, mostly cloudy, with a low around 40. Northwest wind around 5 mph.

    Low: 40 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: A 10 percent chance of rain before 7am.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 51. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 51 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Areas of fog after 4am.  Otherwise, mostly cloudy, with a low around 38. North wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy
    then Areas
    Fog

  • Sunday

    Sunday: A 20 percent chance of rain.  Areas of fog before 7am.  Otherwise, partly sunny, with a high near 54. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 54 °F

    Slight Chance
    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. West wind 8 to 11 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

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

    High: 53 °F

    Slight Chance
    Rain

  • Monday Night

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

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of rain after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 40. Northwest wind around 5 mph.
Saturday
A 10 percent chance of rain before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Calm wind becoming northeast around 6 mph in the afternoon.
Saturday Night
Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 38. North wind 3 to 5 mph.
Sunday
A 20 percent chance of rain. Areas of fog before 7am. Otherwise, partly sunny, with a high near 54. Light southwest wind increasing to 8 to 13 mph in the morning.
Sunday Night
Partly cloudy, with a low around 38. West wind 8 to 11 mph.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 53.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Alderdale WA
 45.91°N 120.02°W (Elev. 902 ft)
1:30 am PST Jan 31, 2026
2am PST Jan 31, 2026-6pm PST Feb 6, 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