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

69°F

21°C

Humidity 27%
Wind Speed N 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Apr 05:53 PM PDT
Extended Forecast for

3 Miles SSW Wallula WA

  • Tonight

    Tonight: 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 72. Light north wind increasing to 5 to 9 mph in the morning.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. North wind 5 to 9 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 8 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 75.

    High: 75 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 70%.

    High: 55 °F

    Rain Likely
    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 46. North wind 5 to 9 mph.
Sunday
Partly sunny, with a high near 72. Light north wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 51. North wind 5 to 9 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 8 mph becoming south in the evening.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 75.
Tuesday Night
Showers likely and possibly a thunderstorm before 11pm, then rain likely after 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Wednesday
Rain likely. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 70%.
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 59.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
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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:
2:57 pm PDT Apr 18, 2026
Forecast Valid:
6pm 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