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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

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

Clear

51°F

11°C

Humidity 89%
Wind Speed WNW 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Mar 10:53 PM PDT
Extended Forecast for

Union Gap WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. South wind 3 to 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71. West wind 5 to 9 mph.

    High: 71 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. Southwest wind 3 to 8 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72. Light southwest wind increasing to 5 to 9 mph in the afternoon.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. South wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 71. West wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 46. Southwest wind 3 to 8 mph.
Thursday
Partly sunny, with a high near 72. Light southwest wind increasing to 5 to 9 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 50. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 72.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 58.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union Gap WA
 46.54°N 120.47°W (Elev. 997 ft)
Last Update:
10:15 pm PDT Mar 17, 2026
Forecast Valid:
11pm PDT Mar 17, 2026-6pm PDT Mar 24, 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