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

75°F

24°C

Humidity 36%
Wind Speed N 3 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Apr 04:20 PM PDT
Extended Forecast for

Wallula WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. North wind 5 to 9 mph becoming southwest after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 2pm. Partly sunny, with a high near 72. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 48. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain. High near 55. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 47. Breezy, with a southwest wind 22 to 28 mph, with gusts as high as 36 mph.

    Low: 47 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 61.

    High: 61 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. North wind 5 to 9 mph becoming southwest after midnight.
Tuesday
A 20 percent chance of rain after 2pm. Partly sunny, with a high near 72. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 48. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 55. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 47. Breezy, with a southwest wind 22 to 28 mph, with gusts as high as 36 mph.
Thursday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
Last Update:
3:01 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 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