Winter Weather Continues in the Northeast; Frigid Temperatures for the Central and Eastern U.S.

The major winter storm will continue to impact the Northeast U.S. today with heavy snow as it shifts away from the East Coast. Frigid temperatures will impact the eastern two-thirds of the U.S. this week, and numerous record lows are forecast. Sub-zero lows are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Overcast

35°F

2°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 26 Jan 02:35 PM PST
Extended Forecast for

11 Miles SSW Mattawa WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. Light southeast wind.

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Light and variable wind becoming north around 5 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30. North wind around 8 mph.

    High: 30 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of snow and freezing rain after 4am.  Mostly cloudy, with a low around 27. West wind around 7 mph.  Chance of precipitation is 10%.

    Low: 27 °F

    Cloudy then
    Slight Chance
    Wintry Mix

  • Wednesday

    Wednesday: A slight chance of snow and freezing rain before 10am, then a slight chance of rain after 4pm.  Snow level rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 36. South wind around 6 mph.  Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain.  Cloudy, with a high near 36.

    High: 36 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. Light southeast wind.
Tonight
Mostly cloudy, with a low around 23. Light and variable wind becoming north around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 30. North wind around 8 mph.
Tuesday Night
A slight chance of snow and freezing rain after 4am. Mostly cloudy, with a low around 27. West wind around 7 mph. Chance of precipitation is 10%.
Wednesday
A slight chance of snow and freezing rain before 10am, then a slight chance of rain after 4pm. Snow level rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 36. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 32.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 36.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 33.
Friday
A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 38.
Friday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Mattawa WA
 46.59°N 119.98°W (Elev. 3100 ft)
2:30 pm PST Jan 26, 2026
2pm PST Jan 26, 2026-6pm PST Feb 1, 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