Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. 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 SE Mattawa WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Light and variable wind becoming northwest around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 64. Northwest wind around 5 mph becoming light and variable.

    High: 64 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Cloudy, with a low around 47. South wind around 5 mph becoming light and variable.

    Low: 47 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am.  Cloudy, with a high near 64. West wind 5 to 14 mph becoming south in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 42. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Light and variable wind becoming northwest around 5 mph after midnight.
Monday
Increasing clouds, with a high near 64. Northwest wind around 5 mph becoming light and variable.
Monday Night
Cloudy, with a low around 47. South wind around 5 mph becoming light and variable.
Tuesday
Rain likely, mainly after 11am. Cloudy, with a high near 64. West wind 5 to 14 mph becoming south in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 42. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 58.
Thursday Night
Clear, with a low around 34.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Mattawa WA
 46.64°N 119.74°W (Elev. 400 ft)
10:15 pm PDT Mar 22, 2026
10pm PDT Mar 22, 2026-6pm PDT Mar 29, 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