Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Rain

54°F

12°C

Humidity 71%
Wind Speed SW 17 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 11 Oct 05:55 AM PDT
Extended Forecast for

Pasco WA

  • Today

    Today: A 20 percent chance of showers after 11am.  Mostly cloudy, with a high near 65. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 11pm.  Mostly cloudy, with a low around 44. Southwest wind around 16 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers after 11am.  Mostly cloudy, with a high near 58. Southwest wind 13 to 15 mph, with gusts as high as 22 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely.  Cloudy, with a low around 42. Southwest wind 6 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A 40 percent chance of showers before 11am.  Partly sunny, with a high near 60. North wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 60 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 65. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 44. Southwest wind around 16 mph, with gusts as high as 26 mph.
Sunday
A 50 percent chance of showers after 11am. Mostly cloudy, with a high near 58. Southwest wind 13 to 15 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely. Cloudy, with a low around 42. Southwest wind 6 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
A 40 percent chance of showers before 11am. Partly sunny, with a high near 60. North wind 9 to 16 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A slight chance of showers. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
4:20 am PDT Oct 11, 2025
6am PDT Oct 11, 2025-6pm PDT Oct 17, 2025
 
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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