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.

Partly Cloudy

59°F

15°C

Humidity 62%
Wind Speed SSE 6 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 02:10 PM PDT
Extended Forecast for

3 Miles SSW Wallula WA

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Mostly cloudy, with a high near 62. Southwest wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 50. Breezy, with a southwest wind 13 to 22 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

    Rain Likely
    and Breezy

  • Monday

    Monday: A 20 percent chance of rain before 8am. Mostly sunny, with a high near 61. Breezy, with a southwest wind 25 to 29 mph, with gusts as high as 36 mph.

    High: 61 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Breezy, with a southwest wind 22 to 26 mph, with gusts as high as 36 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Breezy, with a southwest wind 21 to 26 mph, with gusts as high as 33 mph.

    High: 58 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 47. Breezy. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain. High near 53. Breezy. Chance of precipitation is 80%.

    High: 53 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Mostly cloudy, with a high near 62. Southwest wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 50. Breezy, with a southwest wind 13 to 22 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.
Monday
A 20 percent chance of rain before 8am. Mostly sunny, with a high near 61. Breezy, with a southwest wind 25 to 29 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around 45. Breezy, with a southwest wind 22 to 26 mph, with gusts as high as 36 mph.
Tuesday
Partly sunny, with a high near 58. Breezy, with a southwest wind 21 to 26 mph, with gusts as high as 33 mph.
Tuesday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 47. Breezy. Chance of precipitation is 60%.
Wednesday
Rain. High near 53. Breezy. Chance of precipitation is 80%.
Wednesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 38. Breezy.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
Last Update:
11:46 am PDT Apr 12, 2026
Forecast Valid:
2pm PDT Apr 12, 2026-6pm PDT Apr 18, 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