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Heavy Rainfall This Weekend in the Southern Plains and in South Florida; Bering Sea Storm in Alaska

A slow moving front will produce a threat for heavy rainfall and severe weather from New Mexico into the western High Plains through the weekend. Heavy rainfall is also expected this weekend in South Florida. The Bering Sea storm continues to bring heavy precipitation, strong winds, and minor to major coastal flooding through the weekend across western Alaska. Read More >

Hazardous Weather Conditions

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

33°F

1°C

Humidity 90%
Wind Speed NNE 4 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 24 Oct 02:35 AM PDT
Extended Forecast for

Prosser WA

Freeze Warning until October 24, 10:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until October 24, 10:00am

    NOW until 10:00am Sat

    Freeze Warning

  • Overnight

    Low: 31 °F

    Frost and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Frost and
    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 11am. Patchy frost between 8am and 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Frost
    and Patchy
    Fog then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy
    then Patchy
    Frost and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers before 11am. Patchy fog before 11am. Patchy frost before 8am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy fog. Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 31. Calm wind.
Saturday
Patchy fog before 11am. Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 59. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 34. Calm wind.
Sunday
Patchy fog before 11am. Patchy frost between 8am and 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind.
Sunday Night
Patchy fog after 2am. Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Monday
A 20 percent chance of showers before 11am. Patchy fog before 11am. Patchy frost before 8am. Otherwise, partly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A slight chance of showers before 11am. Partly sunny, with a high near 58.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 33.
Thursday
A slight chance of showers. Partly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
Last Update:
11:46 pm PDT Oct 23, 2026
Forecast Valid:
2am PDT Oct 24, 2026-6pm PDT Oct 30, 2026
 
Forecast Discussion
 
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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