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

32°F

0°C

Humidity 92%
Wind Speed N 6 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Apr 03:00 AM PDT
Extended Forecast for

3 Miles WSW Wallula WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. Light northeast wind.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. North wind 3 to 8 mph.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. North wind 5 to 9 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. Light northeast wind becoming north 5 to 9 mph in the morning.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. Light northeast wind.
Saturday
Partly sunny, with a high near 68. North wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 46. North wind 5 to 9 mph.
Sunday
Partly sunny, with a high near 73. Light northeast wind becoming north 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 76.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 50%.
Wednesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 59. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47. Breezy.
Thursday
A chance of rain. Partly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Wallula WA
 46.07°N 118.94°W (Elev. 338 ft)
Last Update:
11:46 pm PDT Apr 17, 2026
Forecast Valid:
3am PDT Apr 18, 2026-6pm PDT Apr 24, 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