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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

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

Clear

61°F

16°C

Humidity 38%
Wind Speed WNW 25 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 20 Mar 07:35 PM PDT
Extended Forecast for

Union Gap WA

Flood Warning March 21, 02:45am until March 22, 10:30am
Click here for hazard details and duration
Flood Warning

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 40. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 59. Northwest wind 6 to 9 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. North wind 5 to 9 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Light and variable wind becoming northwest around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 40. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 59. Northwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 30. North wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 57. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 35. Light and variable wind becoming northwest around 5 mph.
Monday
Mostly cloudy, with a high near 59.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 60.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 37.
Wednesday
A slight chance of rain after 11am. Mostly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, 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:
4:15 pm PDT Mar 20, 2026
Forecast Valid:
7pm PDT Mar 20, 2026-6pm PDT Mar 27, 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