Wintry Precipitation for the Northeast; Increasing Severe Weather Threat from the Plains to the Midwest

Wintry mixed precipitation will spread across the Northeast today, with light snow and ice accumulations forecast through southern New England. Meanwhile, the threat of severe weather will be increasing from the southern Plains to the Midwest, with rounds of showers and thunderstorms, some severe, expected each day through Friday. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

47°F

8°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 03 Mar 09:55 AM PST
Extended Forecast for

11 Miles SSW Mattawa WA

  • Today

    Today: Mostly cloudy, with a high near 52. Southwest wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain after 1am.  Cloudy, with a low around 41. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 49. Breezy, with a west wind 13 to 23 mph, with gusts as high as 32 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a west wind 21 to 23 mph, with gusts as high as 33 mph.

    Low: 36 °F

    Decreasing
    Clouds and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. West wind 18 to 21 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 52. Southwest wind 10 to 18 mph, with gusts as high as 30 mph.
Tonight
A 30 percent chance of rain after 1am. Cloudy, with a low around 41. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 49. Breezy, with a west wind 13 to 23 mph, with gusts as high as 32 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a west wind 21 to 23 mph, with gusts as high as 33 mph.
Thursday
Mostly sunny, with a high near 48. West wind 18 to 21 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 50.
Friday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 41.
Saturday
Mostly cloudy, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 55.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 40.
Monday
A chance of rain and snow. Snow level 3900 feet lowering to 3400 feet in the afternoon . Mostly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Mattawa WA
 46.59°N 119.98°W (Elev. 3100 ft)
9:16 am PST Mar 3, 2026
10am PST Mar 3, 2026-6pm PDT Mar 9, 2026
 
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Additional Resources

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