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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. 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. Read More >

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

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

Clear

37°F

3°C

Humidity 80%
Wind Speed W 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Mar 02:30 AM PDT
Extended Forecast for

Union Gap WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Southwest wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between 2pm and 5pm. Mostly cloudy, with a high near 68. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 45. South wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70. Southwest wind 3 to 8 mph.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Southwest wind 5 to 9 mph becoming light west after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Rain

  • Friday Night

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

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Southwest wind around 6 mph.
Tuesday
A slight chance of rain between 2pm and 5pm. Mostly cloudy, with a high near 68. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 45. South wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 70. Southwest wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 48. Southwest wind 5 to 9 mph becoming light west after midnight.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 71.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union Gap WA
 46.54°N 120.47°W (Elev. 997 ft)
Last Update:
2:30 am PDT Mar 17, 2026
Forecast Valid:
2am PDT Mar 17, 2026-6pm PDT Mar 23, 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