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

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 36°F (2°C)
Visibility 9.00 mi
Last update 24 Dec 05:35 PM PST
Extended Forecast for

5 Miles SSW West Valley WA

  • Tonight

    Tonight: A 30 percent chance of rain after 4am.  Partly cloudy, with a low around 28. Southwest wind 5 to 8 mph becoming light and variable.

    Low: 28 °F

    Partly Cloudy
    then Chance
    Rain

  • Christmas Day

    Christmas Day: Rain likely, mainly between 10am and 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 39. Light northwest wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain before 4am, then a slight chance of rain and snow.  Patchy fog.  Otherwise, mostly cloudy, with a low around 29. Calm wind.  Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow and
    Patchy Fog

  • Friday

    Friday: A chance of rain and snow before 7am, then a chance of rain between 7am and 4pm, then a slight chance of rain and snow after 4pm.  Snow level 2300 feet. Partly sunny, with a high near 40. Light west wind becoming southwest 5 to 9 mph in the morning.  Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm.  Partly cloudy, with a low around 24. West wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain after 4am. Partly cloudy, with a low around 28. Southwest wind 5 to 8 mph becoming light and variable.
Christmas Day
Rain likely, mainly between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. Light northwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 4am, then a slight chance of rain and snow. Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%.
Friday
A chance of rain and snow before 7am, then a chance of rain between 7am and 4pm, then a slight chance of rain and snow after 4pm. Snow level 2300 feet. Partly sunny, with a high near 40. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%.
Friday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm. Partly cloudy, with a low around 24. West wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW West Valley WA
 46.52°N 120.65°W (Elev. 1568 ft)
3:20 pm PST Dec 24, 2025
5pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database