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 SE Mattawa WA

  • Overnight

    Overnight: A 20 percent chance of rain before 5am.  Partly cloudy, with a low around 37. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain after 8am.  Mostly cloudy, with a high near 59. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 59 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. West wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65. Southwest wind around 6 mph becoming south in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. Southeast wind around 6 mph becoming light and variable  in the evening.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain before 5am. Partly cloudy, with a low around 37. West wind around 11 mph, with gusts as high as 21 mph.
Thursday
A 20 percent chance of rain after 8am. Mostly cloudy, with a high near 59. West wind 9 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 36. West wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 65. Southwest wind around 6 mph becoming south in the afternoon.
Friday Night
Mostly clear, with a low around 38. Southeast wind around 6 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Mattawa WA
 46.64°N 119.74°W (Elev. 400 ft)
3:31 am PDT Apr 2, 2026
4am PDT Apr 2, 2026-6pm PDT Apr 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