Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

32°F

0°C

Humidity 90%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 02 Mar 07:55 AM PST
Extended Forecast for

11 Miles SE Mattawa WA

  • Today

    Today: Sunny, with a high near 62. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. Calm wind becoming south 5 to 8 mph in the morning.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 10pm.  Cloudy, with a low around 43. Southwest wind 7 to 9 mph.

    Low: 43 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 60. West wind 7 to 10 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 62. Light and variable wind becoming southeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 36. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 63. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A 30 percent chance of rain after 10pm. Cloudy, with a low around 43. Southwest wind 7 to 9 mph.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 60. West wind 7 to 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 39.
Friday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 60.
Friday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 45.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Mattawa WA
 46.64°N 119.74°W (Elev. 400 ft)
5:07 am PST Mar 2, 2026
8am PST Mar 2, 2026-6pm PDT Mar 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