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

70°F

21°C

Humidity 26%
Wind Speed WSW 9 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 25 May 12:00 AM PDT
Extended Forecast for

3 Miles SW Wallula WA

  • Overnight

    Overnight: Mostly clear, with a low around 58. South wind 11 to 15 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 79. Southwest wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly between 8pm and 2am. Cloudy, with a low around 51. Windy, with a west wind 20 to 30 mph becoming south after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Showers
    Likely and
    Windy

  • Tuesday

    Tuesday: Cloudy, with a high near 63. South wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 63 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 58. South wind 11 to 15 mph, with gusts as high as 18 mph.
Memorial Day
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 79. Southwest wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Showers likely, mainly between 8pm and 2am. Cloudy, with a low around 51. Windy, with a west wind 20 to 30 mph becoming south after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Cloudy, with a high near 63. South wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 52. South wind around 6 mph.
Wednesday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 68. Windy.
Friday Night
Mostly cloudy, with a low around 52. Breezy.
Saturday
Sunny, with a high near 69. Breezy.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Wallula WA
 46.07°N 118.94°W (Elev. 338 ft)
Last Update:
11:46 pm PDT May 24, 2026
Forecast Valid:
12am PDT May 25, 2026-6pm PDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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