Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

N/A

Humidity 32%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 15 May 12:55 PM PDT
Extended Forecast for

17 Miles SE Mattawa WA

  • Today

    Today: Sunny, with a high near 88. Southeast wind 3 to 5 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southeast wind around 6 mph becoming northwest in the evening.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. West wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West wind 6 to 8 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 56. Southeast wind around 6 mph becoming northwest in the evening.
Monday
Mostly sunny, with a high near 91. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. West wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 89. West wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 53.
Juneteenth
Mostly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SE Mattawa WA
 46.59°N 119.64°W (Elev. 600 ft)
10:15 am PDT Jun 15, 2025
11am PDT Jun 15, 2025-6pm PDT Jun 21, 2025
 
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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