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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

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

Clear

28°F

-2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 31 Dec 05:55 PM PST
Extended Forecast for

Union Gap WA

Winter Weather Advisory January 1, 04:00am until January 2, 05:00am
Air Stagnation Advisory December 31, 06:28pm until January 1, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 31, 06:28pm until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Tonight

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of rain. Snow level rising to 5000 feet in the afternoon. Cloudy, with a high near 35. Calm wind.

    High: 35 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Calm wind.
New Year's Day
A 20 percent chance of rain. Snow level rising to 5000 feet in the afternoon. Cloudy, with a high near 35. Calm wind.
Thursday Night
A 20 percent chance of rain. Cloudy, with a low around 28. Calm wind.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 42. Calm wind.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33. Calm wind.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 47.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Monday
A slight chance of rain. Partly sunny, with a high near 46.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 29.
Tuesday
A slight chance of rain. Partly sunny, with a high near 45.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 30.
Wednesday
A slight chance of rain. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union Gap WA
 46.56°N 120.47°W (Elev. 997 ft)
Last Update:
3:47 pm PST Dec 31, 2025
Forecast Valid:
6pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation