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.

Overcast

59°F

15°C

Humidity 57%
Wind Speed W 16 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 25 May 10:53 PM PDT
Extended Forecast for

2 Miles S Wallula WA

  • Tonight

    Tonight: Showers likely, mainly before 5am. Cloudy, with a low around 50. South wind 18 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 11am, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 66. Southwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 52. South wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. South wind 5 to 7 mph becoming north in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. North wind around 6 mph becoming south in the evening.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Breezy.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers and
    Breezy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 75. Windy. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers and
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. Windy.

    Low: 52 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Showers likely, mainly before 5am. Cloudy, with a low around 50. South wind 18 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers before 11am, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 66. Southwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 52. South wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly sunny, with a high near 81. South wind 5 to 7 mph becoming north in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. North wind around 6 mph becoming south in the evening.
Thursday
A slight chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Breezy.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 75. Windy. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 52. Windy.
Saturday
Mostly sunny, with a high near 72. Windy.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Wallula WA
 46.05°N 118.9°W (Elev. 456 ft)
Last Update:
8:42 pm PDT May 25, 2026
Forecast Valid:
11pm PDT May 25, 2026-6pm PDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation