Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Mist

37°F

3°C

Humidity 86%
Wind Speed NNE 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Last update 19 Oct 06:15 AM PDT
Extended Forecast for

Prosser WA

  • Today

    Today: Cloudy, with a high near 65. Calm wind.

    High: 65 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Decreasing
    Clouds

  • Tuesday Night

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

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Cloudy, with a high near 65. Calm wind.
Tonight
Mostly cloudy, with a low around 39. Calm wind.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind.
Tuesday Night
Partly cloudy, with a low around 38. Calm wind.
Wednesday
Mostly sunny, with a high near 70. Calm wind.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 31.
Saturday
A slight chance of showers. Partly sunny, with a high near 57.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 33.
Sunday
A chance of showers. Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.2°N 119.78°W (Elev. 646 ft)
4:01 am PDT Oct 19, 2026
6am PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database