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 66%
Wind Speed WSW 10 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Oct 01:35 AM PDT
Extended Forecast for

Pasco WA

  • Overnight

    Overnight: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 49. Southwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 49 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm.  Cloudy, with a high near 58. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm.  Low around 46. Southwest wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Columbus Day

    Columbus Day: A 50 percent chance of showers before 11am.  Partly sunny, with a high near 59. North wind 7 to 14 mph, with gusts as high as 24 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. North wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 49. Southwest wind around 14 mph, with gusts as high as 26 mph.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 58. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers, mainly after 8pm. Low around 46. Southwest wind 5 to 9 mph becoming northeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
A 50 percent chance of showers before 11am. Partly sunny, with a high near 59. North wind 7 to 14 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 42. North wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 42.
Saturday
A slight chance of showers. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
1:30 am PDT Oct 12, 2025
1am PDT Oct 12, 2025-6pm PDT Oct 18, 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