National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Mist

34°F

1°C

Humidity 97%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 34°F (1°C)
Visibility 4.00 mi
Last update 05 Nov 05:55 AM PST
Extended Forecast for

Prosser WA

  • Today

    Today: Areas of fog before 10am. Otherwise, sunny, with a high near 60. Calm wind.

    High: 60 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Areas of fog after 10pm. Otherwise, mostly clear, then becoming mostly cloudy toward daybreak, with a low around 32. Calm wind.

    Low: 32 °F

    Areas Fog

  • Friday

    Friday: A 30 percent chance of showers after 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 57. Light southeast wind.

    High: 57 °F

    Areas Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 10pm. Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance
    Showers then
    Areas Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, sunny, with a high near 60. Calm wind.
Tonight
Areas of fog after 10pm. Otherwise, mostly clear, then becoming mostly cloudy toward daybreak, with a low around 32. Calm wind.
Friday
A 30 percent chance of showers after 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 57. Light southeast wind.
Friday Night
A 30 percent chance of showers before 10pm. Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Saturday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 56.
Monday Night
A chance of showers, mainly after 4am. Partly cloudy, with a low around 35.
Tuesday
A chance of showers. Partly sunny, with a high near 60.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 39.
Veterans Day
A slight chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.2°N 119.78°W (Elev. 646 ft)
Last Update:
4:06 am PST Nov 5, 2026
Forecast Valid:
6am PST Nov 5, 2026-6pm PST Nov 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation