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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Partly Cloudy

57°F

14°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 19 Mar 04:53 AM PDT
Extended Forecast for

3 Miles WSW Wallula WA

  • Today

    Today: Mostly cloudy, with a high near 69. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 69 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 57. South wind around 10 mph.

    Low: 57 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 72. South wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 72 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Cloudy, with a low around 53. Southwest wind 14 to 18 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 60. West wind 11 to 13 mph.

    High: 60 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 69. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 57. South wind around 10 mph.
Friday
Mostly cloudy, with a high near 72. South wind 10 to 17 mph, with gusts as high as 24 mph.
Friday Night
A 20 percent chance of rain after 11pm. Cloudy, with a low around 53. Southwest wind 14 to 18 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 60. West wind 11 to 13 mph.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A slight chance of rain. Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Wallula WA
 46.07°N 118.94°W (Elev. 338 ft)
Last Update:
4:20 am PDT Mar 19, 2026
Forecast Valid:
5am PDT Mar 19, 2026-6pm PDT Mar 25, 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