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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Overcast

43°F

6°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 06 Feb 02:55 AM PST
Extended Forecast for

Prosser WA

  • Overnight

    Overnight: Areas of dense fog. Otherwise, cloudy, with a steady temperature around 37. Calm wind.

    Low: 37 °F

    Areas Dense
    Fog

  • Friday

    Friday: Areas of fog before 1pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Areas Fog

  • Friday Night

    Friday Night: Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 51. Calm wind becoming south around 6 mph in the afternoon.

    High: 51 °F

    Slight Chance
    Rain and
    Areas Fog

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly before 4pm. High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, cloudy, with a steady temperature around 37. Calm wind.
Friday
Areas of fog before 1pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 42. Calm wind.
Friday Night
Patchy fog. Otherwise, cloudy, with a low around 36. Calm wind.
Saturday
A 20 percent chance of rain after 10am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 51. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Rain likely, mainly after 4am. Patchy fog after 1am. Otherwise, cloudy, with a low around 42. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 4pm. High near 51. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.22°N 119.79°W (Elev. 715 ft)
Last Update:
3:05 am PST Feb 6, 2026
Forecast Valid:
3am PST Feb 6, 2026-6pm PST Feb 12, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation