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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

88°F

31°C

Humidity 27%
Wind Speed NNW 3 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Sep 04:15 PM PDT
Extended Forecast for

3 Miles SSW Wallula WA

  • Tonight

    Tonight: Widespread haze before 8pm, then widespread haze after 2am. Clear, with a low around 62. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 62 °F

    Haze

  • Saturday

    Saturday: Sunny, with a high near 79. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Southwest wind 13 to 21 mph, with gusts as high as 26 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after 11am. Cloudy through mid morning, then gradual clearing, with a high near 65. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 30 mph.

    High: 65 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 51. Southwest wind 8 to 18 mph, with gusts as high as 28 mph.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Widespread haze before 8pm, then widespread haze after 2am. Clear, with a low around 62. Calm wind becoming south 5 to 7 mph after midnight.
Saturday
Sunny, with a high near 79. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 61. Southwest wind 13 to 21 mph, with gusts as high as 26 mph.
Sunday
A 40 percent chance of showers, mainly after 11am. Cloudy through mid morning, then gradual clearing, with a high near 65. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 51. Southwest wind 8 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 66.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Clear, with a low around 55.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 53.
Friday
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:
4:15 pm PDT Sep 19, 2025
Forecast Valid:
4pm PDT Sep 19, 2025-6pm PDT Sep 26, 2025
 
Forecast Discussion
 
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Additional Resources

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