Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. 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

  • Overnight

    Overnight: Partly cloudy, with a low around 33. West wind 17 to 21 mph, with gusts as high as 32 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow between 11am and 2pm.  Partly sunny, with a high near 48. Breezy, with a west wind 16 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Breezy, with a west wind 13 to 23 mph, with gusts as high as 34 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 54. West wind 7 to 10 mph becoming southwest in the afternoon.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. Southwest wind around 7 mph becoming northwest after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °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

Detailed Forecast

Overnight
Partly cloudy, with a low around 33. West wind 17 to 21 mph, with gusts as high as 32 mph.
Thursday
A slight chance of rain and snow between 11am and 2pm. Partly sunny, with a high near 48. Breezy, with a west wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 35. Breezy, with a west wind 13 to 23 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 54. West wind 7 to 10 mph becoming southwest in the afternoon.
Friday Night
Mostly clear, with a low around 38. Southwest wind around 7 mph becoming northwest after midnight.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Mattawa WA
 46.59°N 119.98°W (Elev. 3100 ft)
11:50 pm PDT Apr 1, 2026
1am PDT Apr 2, 2026-6pm PDT Apr 8, 2026
 
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Additional Resources

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