Hurricane Isaias Approaching the Gulf Coast; Remnants of Rachel to Impact the Southwest U.S.

Hurricane Isaias is expected to make landfall along the U.S. northern Gulf Coast late Friday or early Saturday. A life-threatening storm surge is expected along the coast with damaging wind gusts extending well inland. Areas of heavy rainfall are forecast throughout much of the Southeast U.S. The remnants of Rachel will bring gusty winds and heavy rainfall to the Southwest U.S. this weekend. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

77°F

25°C

Humidity 43%
Wind Speed E 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 53°F (12°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 08 Oct 04:35 PM PDT
Extended Forecast for

Prosser WA

  • Tonight

    Tonight: 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 74. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 74 °F

    Mostly Sunny
    then Patchy
    Blowing Dust

  • Friday Night

    Friday Night: Patchy blowing dust before 8pm. Partly cloudy, with a low around 39. West wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 39 °F

    Patchy
    Blowing Dust
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Calm wind becoming north around 6 mph after midnight.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 34 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Calm wind.
Friday
Patchy blowing dust after 2pm. Mostly sunny, with a high near 74. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Patchy blowing dust before 8pm. Partly cloudy, with a low around 39. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 63. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 39. Calm wind becoming north around 6 mph after midnight.
Sunday
Mostly 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 40.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 68.
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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 8, 2026
4pm PDT Oct 8, 2026-6pm PDT Oct 15, 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