Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

73°F

23°C

Humidity 38%
Wind Speed ENE 9 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 30 Sep 01:10 PM PDT
Extended Forecast for

Prosser WA

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 74. Southwest wind around 8 mph.

    High: 74 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 49. Southwest wind 6 to 8 mph.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Mostly cloudy, with a high near 70. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Southwest wind 6 to 9 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Southwest wind 6 to 11 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 74. Southwest wind around 8 mph.
Tonight
A 40 percent chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 49. Southwest wind 6 to 8 mph.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 70. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Southwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 70. Southwest wind 6 to 11 mph.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
10:15 am PDT Sep 30, 2025
1pm PDT Sep 30, 2025-6pm PDT Oct 6, 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