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.

Partly Cloudy

57°F

14°C

Humidity 62%
Wind Speed SW 16 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 11 Oct 11:00 AM PDT
Extended Forecast for

15 Miles ESE Mattawa WA

  • Today

    Today: Scattered showers, mainly before 5pm.  Cloudy, with a high near 65. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    High: 65 °F

    Scattered
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Mostly cloudy, with a low around 44. West wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers, mainly after 11am.  Mostly cloudy, with a high near 59. West wind 7 to 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers.  Low around 43. South wind 6 to 9 mph becoming north after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers

  • Columbus Day

    Columbus Day: Showers likely, mainly before 11am.  Mostly cloudy, with a high near 58. North wind 11 to 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Scattered showers, mainly before 5pm. Cloudy, with a high near 65. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tonight
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 44. West wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
A 50 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 59. West wind 7 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers. Low around 43. South wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Showers likely, mainly before 11am. Mostly cloudy, with a high near 58. North wind 11 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
A chance of showers. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Mattawa WA
 46.63°N 119.62°W (Elev. 505 ft)
10:17 am PDT Oct 11, 2025
11am 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