Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

23°F

-5°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

18 Miles SE Mattawa WA

High Wind Warning March 11, 05:00pm until March 12, 11:00am
Click here for hazard details and duration
High Wind Warning
  • This Afternoon

    This Afternoon: A 30 percent chance of rain.  Cloudy, with a high near 59. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 mph.

    High: 59 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: A 40 percent chance of rain.  Mostly cloudy, with a low around 46. Breezy, with a southwest wind 22 to 26 mph, with gusts as high as 48 mph.

    Low: 46 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 2pm.  Mostly cloudy, with a high near 56. West wind 17 to 20 mph, with gusts as high as 40 mph.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 38. West wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: A chance of rain and snow before 11am, then rain likely.  Mostly cloudy, with a high near 55. Southwest wind around 6 mph becoming northwest in the morning.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 55 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain and snow before 11am.  Snow level 2500 feet lowering to 1200 feet. Sunny, with a high near 55. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm.  Snow level 800 feet rising to 2100 feet in the afternoon. Mostly cloudy, with a high near 51. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Cloudy, with a high near 59. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 mph.
Tonight
A 40 percent chance of rain. Mostly cloudy, with a low around 46. Breezy, with a southwest wind 22 to 26 mph, with gusts as high as 48 mph.
Thursday
A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 56. West wind 17 to 20 mph, with gusts as high as 40 mph.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38. West wind 6 to 16 mph, with gusts as high as 24 mph.
Friday
A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 55. Southwest wind around 6 mph becoming northwest in the morning. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Saturday
A slight chance of rain and snow before 11am. Snow level 2500 feet lowering to 1200 feet. Sunny, with a high near 55. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Snow level 800 feet rising to 2100 feet in the afternoon. Mostly cloudy, with a high near 51. Chance of precipitation is 20%.
Sunday Night
A chance of rain. Cloudy, with a low around 40.
Monday
A slight chance of rain. Partly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SE Mattawa WA
 46.59°N 119.61°W (Elev. 600 ft)
3:01 pm PDT Mar 11, 2026
3pm PDT Mar 11, 2026-6pm PDT Mar 18, 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