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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

61°F

16°C

Humidity 59%
Wind Speed E 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Sep 11:20 PM PDT
Extended Forecast for

West Pasco WA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light south wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 77. Light and variable wind.

    High: 77 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 78. Light northwest wind.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Showers, mainly before 11am. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Light south wind.
Wednesday
Increasing clouds, with a high near 77. Light and variable wind.
Wednesday Night
Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 53. Calm wind.
Thursday
Partly sunny, with a high near 78. Light northwest wind.
Thursday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57. Light and variable wind.
Friday
Showers, mainly before 11am. High near 71. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Pasco WA
 46.24°N 119.17°W (Elev. 361 ft)
Last Update:
11:31 pm PDT Sep 22, 2026
Forecast Valid:
11pm PDT Sep 22, 2026-6pm PDT Sep 29, 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