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

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Partly Cloudy

52°F

11°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 17 Mar 10:00 PM PDT
Extended Forecast for

Wallula WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. South wind around 11 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 69. Southwest wind 13 to 17 mph, with gusts as high as 24 mph.

    High: 69 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. South wind 9 to 11 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 72. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 72 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. South wind around 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. South wind around 11 mph.
Wednesday
Increasing clouds, with a high near 69. Southwest wind 13 to 17 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 55. South wind 9 to 11 mph.
Thursday
Mostly cloudy, with a high near 72. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 56. South wind around 10 mph.
Friday
Mostly cloudy, with a high near 72.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 58.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
Last Update:
10:15 pm PDT Mar 17, 2026
Forecast Valid:
10pm 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