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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

57°F

14°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Sep 02:53 AM PDT
Extended Forecast for

2 Miles WSW West Pasco WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 61. Light southwest wind.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Southwest wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

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

    High: 77 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Thursday Night

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

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 61. Light southwest wind.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 77. Light south wind.
Wednesday Night
Mostly cloudy, with a low around 55. Light and variable wind.
Thursday
Partly sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57.
Friday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW West Pasco WA
 46.23°N 119.23°W (Elev. 407 ft)
Last Update:
11:46 pm PDT Sep 21, 2026
Forecast Valid:
3am PDT Sep 22, 2026-6pm PDT Sep 28, 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