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

54°F

12°C

Humidity 81%
Wind Speed NE 3 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Apr 11:20 PM PDT
Extended Forecast for

3 Miles SSW Wallula WA

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 2am. Mostly cloudy, with a steady temperature around 56. South wind 5 to 7 mph.

    Low: 56 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly between 11am and 5pm. Partly sunny, with a high near 65. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 49. South wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of rain after 11am. Mostly cloudy, with a high near 60. Southwest wind 5 to 9 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely. Cloudy, with a low around 50. Southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain, mainly before 11am. Partly sunny, with a high near 59. Breezy.

    High: 59 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Breezy.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance Rain
    and Breezy

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly after 2am. Mostly cloudy, with a steady temperature around 56. South wind 5 to 7 mph.
Saturday
A 50 percent chance of rain, mainly between 11am and 5pm. Partly sunny, with a high near 65. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 49. South wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday
A 50 percent chance of rain after 11am. Mostly cloudy, with a high near 60. Southwest wind 5 to 9 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Cloudy, with a low around 50. Southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 40 percent chance of rain, mainly before 11am. Partly sunny, with a high near 59. Breezy.
Monday Night
Partly cloudy, with a low around 46. Breezy.
Tuesday
Partly sunny, with a high near 57. Breezy.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45. Breezy.
Wednesday
Rain likely. Mostly cloudy, with a high near 54. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 59.
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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:
11:32 pm PDT Apr 10, 2026
Forecast Valid:
11pm PDT Apr 10, 2026-6pm PDT Apr 17, 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