National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

34°F

1°C

Humidity 93%
Wind Speed NNW 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 23 Mar 05:20 AM PDT
Extended Forecast for

Wallula WA

  • Today

    Today: Mostly cloudy, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 51. South wind 5 to 7 mph.

    Low: 51 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Cloudy, with a high near 62. South wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain, mainly before 11pm. Cloudy, with a low around 48. Southwest wind 11 to 14 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Partly sunny, with a high near 56. Southwest wind 14 to 18 mph, with gusts as high as 24 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 59. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Cloudy, with a low around 51. South wind 5 to 7 mph.
Tuesday
Rain likely, mainly after 11am. Cloudy, with a high near 62. South wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 50 percent chance of rain, mainly before 11pm. Cloudy, with a low around 48. Southwest wind 11 to 14 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 56. Southwest wind 14 to 18 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 54.
Thursday Night
Clear, with a low around 36.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 67.
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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:
4:20 am PDT Mar 23, 2026
Forecast Valid:
5am PDT Mar 23, 2026-6pm PDT Mar 29, 2026
 
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Additional Resources

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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