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

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 11 Apr 02:20 AM PDT
Extended Forecast for

Wallula WA

  • Overnight

    Overnight: A 40 percent chance of rain. Mostly cloudy, with a low around 53. South wind around 6 mph.

    Low: 53 °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 26 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 5 to 13 mph, with gusts as high as 20 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 of less than a tenth 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 of less than a tenth 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 46. Breezy.

    Low: 46 °F

    Chance Rain
    and Breezy

Detailed Forecast

Overnight
A 40 percent chance of rain. Mostly cloudy, with a low around 53. South wind around 6 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 26 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 5 to 13 mph, with gusts as high as 20 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 of less than a tenth 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 of less than a tenth 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 46. Breezy.
Wednesday
Rain likely. Mostly cloudy, with a high near 53. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
Last Update:
11:46 pm PDT Apr 10, 2026
Forecast Valid:
2am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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