National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

Lat: 46.56402°NLon: 120.53484°WElev: 1043.0ft.

Clear

32°F

0°C

Humidity 95%
Wind Speed WNW 6 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 26 Dec 03:53 AM PST
Extended Forecast for

9 Miles S White Swan WA

  • Overnight

    Overnight: Snow likely. Cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 37. Southwest wind 10 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before 1am. Partly cloudy, with a low around 23. Breezy, with a west wind 22 to 25 mph, with gusts as high as 50 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 33. West wind 6 to 14 mph, with gusts as high as 25 mph.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely. Cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 37. Southwest wind 10 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow, mainly before 1am. Partly cloudy, with a low around 23. Breezy, with a west wind 22 to 25 mph, with gusts as high as 50 mph. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 33. West wind 6 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
A slight chance of rain and snow. Snow level rising to 4300 feet in the afternoon. Partly sunny, with a high near 34.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S White Swan WA
 46.25°N 120.76°W (Elev. 3802 ft)
Last Update:
3:25 am PST Dec 26, 2025
Forecast Valid:
4am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation