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

Early Heat Wave in the West; Fire Concerns in the 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. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

61°F

16°C

Humidity 38%
Wind Speed SW 16 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 17 Mar 04:00 AM PDT
Extended Forecast for

Wallula WA

  • Today

    Today: Cloudy, with a high near 65. Southwest wind 16 to 18 mph, with gusts as high as 23 mph.

    High: 65 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 69. Southwest wind 11 to 18 mph, with gusts as high as 23 mph.

    High: 69 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. South wind 9 to 13 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 71. South wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 71 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56.

    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. Cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 65. Southwest wind 16 to 18 mph, with gusts as high as 23 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 18 mph.
Wednesday
Increasing clouds, with a high near 69. Southwest wind 11 to 18 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 55. South wind 9 to 13 mph.
Thursday
Mostly cloudy, with a high near 71. South wind 10 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Mostly cloudy, with a high near 72.
Friday Night
A 20 percent chance of rain after 11pm. Cloudy, with a low around 49.
Saturday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
Last Update:
4:15 am PDT Mar 17, 2026
Forecast Valid:
4am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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