Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Mostly Cloudy

56°F

13°C

Humidity 53%
Wind Speed E 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 06 Nov 04:55 PM PST
Extended Forecast for

4 Miles E Prosser WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers.  Mostly cloudy, with a steady temperature around 53. South wind around 6 mph.

    High: 53 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 7pm and 10pm.  Mostly cloudy, with a low around 44. Southwest wind around 6 mph becoming calm  after midnight.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Light and variable wind becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 23 mph.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of showers before 10pm, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 10am.  Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 53. South wind around 6 mph.
Tonight
A 40 percent chance of showers, mainly between 7pm and 10pm. Mostly cloudy, with a low around 44. Southwest wind around 6 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 57. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 42. Light and variable wind becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 23 mph.
Sunday
Partly sunny, with a high near 56. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 51.
Monday Night
A slight chance of showers before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers before 10am. Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Veterans Day
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Partly sunny, with a high near 57.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 38.
Friday
A chance of showers. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Prosser WA
 46.21°N 119.69°W (Elev. 1598 ft)
3:01 pm PST Nov 6, 2026
5pm PST Nov 6, 2026-6pm PST Nov 13, 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