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

50°F

10°C

Humidity 71%
Wind Speed NNW 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Apr 08:35 PM PDT
Extended Forecast for

Wallula WA

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind 3 to 6 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. North wind 3 to 8 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. North wind 5 to 8 mph becoming light and variable after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. North wind 6 to 9 mph becoming south in the evening.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. High near 55. Breezy. Chance of precipitation is 80%.

    High: 55 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Chance Rain
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. North wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 71. North wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 51. North wind 5 to 8 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 56. North wind 6 to 9 mph becoming south in the evening.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 73.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Wednesday
Rain. High near 55. Breezy. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47. Breezy.
Thursday
A chance of rain, mainly before 11am. Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
Last Update:
8:36 pm PDT Apr 18, 2026
Forecast Valid:
8pm PDT Apr 18, 2026-6pm PDT Apr 25, 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