Back-to-Back Storms for the Center of the Nation

These storm systems will bring late season snow, sleet and ice for portions of the northern Plains, upper Midwest and Great Lakes region. Meanwhile, where temperatures are warmer, severe thunderstorms are expected for areas of the Mississippi Valley into the southern Plains. Furthermore, combination of windy and dry conditions will raise fire weather concerns for the southern High Plains. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

N/A

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

11 Miles SSW Mattawa WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 49. Breezy, with a northwest wind around 24 mph, with gusts as high as 38 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 34. Breezy, with a west wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 37 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 53. Southwest wind 7 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. Southwest wind around 7 mph becoming northwest in the evening.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. Northwest wind 6 to 8 mph becoming southeast in the afternoon.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 49. Breezy, with a northwest wind around 24 mph, with gusts as high as 38 mph.
Tonight
Mostly clear, with a low around 34. Breezy, with a west wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 37 mph.
Friday
Mostly sunny, with a high near 53. Southwest wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 38. Southwest wind around 7 mph becoming northwest in the evening.
Saturday
Sunny, with a high near 59. Northwest wind 6 to 8 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Mattawa WA
 46.59°N 119.98°W (Elev. 3100 ft)
1:46 pm PDT Apr 2, 2026
2pm PDT Apr 2, 2026-6pm PDT Apr 8, 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