Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

64°F

18°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 07 Oct 06:55 PM PDT
Extended Forecast for

Prosser WA

  • Tonight

    Tonight: Clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Patchy blowing dust after 2pm. Mostly sunny, with a high near 75. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 75 °F

    Mostly Sunny
    then Patchy
    Blowing Dust

  • Friday Night

    Friday Night: Patchy blowing dust before 8pm. Partly cloudy, with a low around 41. West wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Patchy
    Blowing Dust
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 48. Calm wind.
Thursday
Sunny, with a high near 82. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 48. Calm wind.
Friday
Patchy blowing dust after 2pm. Mostly sunny, with a high near 75. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Patchy blowing dust before 8pm. Partly cloudy, with a low around 41. West wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 34.
Columbus Day
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.2°N 119.78°W (Elev. 646 ft)
3:01 pm PDT Oct 7, 2026
7pm PDT Oct 7, 2026-6pm PDT Oct 14, 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