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.

haze

65°F

18°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 35°F (2°C)
Visibility 2.50 mi
Last update 18 Oct 04:55 PM PDT
Extended Forecast for

5 Miles SSE Prosser WA

  • Tonight

    Tonight: Partly cloudy, then becoming cloudy toward daybreak, with a low around 42. Light and variable wind.

    Low: 42 °F

    Becoming
    Cloudy

  • Monday

    Monday: Cloudy, with a high near 61. Calm wind.

    High: 61 °F

    Cloudy

  • Monday Night

    Monday Night: Cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming north around 5 mph in the afternoon.

    High: 65 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers.  Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, then becoming cloudy toward daybreak, with a low around 42. Light and variable wind.
Monday
Cloudy, with a high near 61. Calm wind.
Monday Night
Cloudy, with a low around 42. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41. Light and variable wind.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 37.
Sunday
A chance of showers. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Prosser WA
 46.14°N 119.74°W (Elev. 1319 ft)
3:01 pm PDT Oct 18, 2026
5pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
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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