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

Tri-Cities Airport (KPSC)

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

Clear

66°F

19°C

Humidity 48%
Wind Speed N 4 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Apr 07:35 PM PDT
Extended Forecast for

3 Miles WSW Wallula WA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North wind 3 to 8 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 75. North wind 3 to 5 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph becoming southwest in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 72. Southwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 72 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain. High near 57. Windy. Chance of precipitation is 80%.

    High: 57 °F

    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North wind 3 to 8 mph.
Monday
Partly sunny, with a high near 75. North wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph becoming southwest in the evening.
Tuesday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 72. Southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 57. Windy. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47. Breezy.
Thursday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 65.
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:
3:00 pm PDT Apr 19, 2026
Forecast Valid:
7pm PDT Apr 19, 2026-6pm PDT Apr 26, 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