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

52°F

11°C

Humidity 71%
Wind Speed NNW 3 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Apr 12:20 AM PDT
Extended Forecast for

3 Miles SSW Wallula WA

  • Overnight

    Overnight: Partly cloudy, with a low around 51. Light north wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. North wind 3 to 6 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Northeast wind 5 to 10 mph becoming southwest in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 71. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 71 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 48. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain. High near 54. Windy. Chance of precipitation is 80%.

    High: 54 °F

    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

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

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. Light north wind.
Monday
Partly sunny, with a high near 74. North wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 54. Northeast wind 5 to 10 mph becoming southwest in the evening.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 71. West wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 48. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 54. Windy. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47. Breezy.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 65.
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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 pm PDT Apr 19, 2026
Forecast Valid:
12am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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