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.

Mostly Cloudy

41°F

5°C

Humidity 86%
Wind Speed NE 5 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 25 Dec 03:00 PM PST
Extended Forecast for

West Valley WA

  • Christmas Day

    Christmas Day: A 40 percent chance of rain, mainly before 4pm. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a chance of rain after 1am. Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 29. Light northwest wind. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: A chance of rain before 4pm, then a chance of rain and snow. Partly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 42 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 24. West wind 7 to 9 mph.

    Low: 24 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 40. Northwest wind around 6 mph.

    High: 40 °F

    Sunny

  • Saturday Night

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

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Christmas Day
A 40 percent chance of rain, mainly before 4pm. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 42. Calm wind.
Tonight
A slight chance of rain before 7pm, then a chance of rain after 1am. Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 29. Light northwest wind. Chance of precipitation is 30%.
Friday
A chance of rain before 4pm, then a chance of rain and snow. Partly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 24. West wind 7 to 9 mph.
Saturday
Sunny, with a high near 40. Northwest wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26.
New Year's Day
A slight chance of rain. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Valley WA
 46.59°N 120.61°W (Elev. 1198 ft)
Last Update:
2:30 pm PST Dec 25, 2025
Forecast Valid:
3pm PST Dec 25, 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