Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

light drizzle

35°F

2°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 29 Jan 09:35 AM PST
Extended Forecast for

5 Miles WNW Alderdale WA

  • Today

    Today: Rain before 1pm, then a chance of rain after 4pm.  High near 48. Light and variable wind becoming south around 6 mph in the morning.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain then
    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 10pm.  Cloudy, with a low around 39. North wind 3 to 5 mph.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: Cloudy, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.

    High: 48 °F

    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. West wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 48. Northeast wind 3 to 6 mph.

    High: 48 °F

    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 4pm.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Cloudy then
    Slight Chance
    Rain

  • Sunday Night

    Sunday 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

  • Monday

    Monday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Rain before 1pm, then a chance of rain after 4pm. High near 48. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of rain, mainly before 10pm. Cloudy, with a low around 39. North wind 3 to 5 mph.
Friday
Cloudy, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 38. West wind around 6 mph.
Saturday
Cloudy, with a high near 48. Northeast wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 49.
Sunday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 49.
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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 am PST Jan 29, 2026
9am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
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Additional Resources

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