National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

35°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 Jan 01:55 AM PST
Extended Forecast for

11 Miles SSW Mattawa WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49. Southwest wind around 9 mph.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a steady temperature around 45. West wind around 9 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. Northwest wind 5 to 7 mph.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Northwest wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Monday
Partly sunny, with a high near 49. Southwest wind around 9 mph.
Monday Night
Mostly cloudy, with a steady temperature around 45. West wind around 9 mph.
Tuesday
Mostly cloudy, with a high near 48. Northwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 35. Northwest wind around 5 mph.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Mattawa WA
 46.59°N 119.98°W (Elev. 3100 ft)
Last Update:
1:31 am PST Jan 12, 2026
Forecast Valid:
2am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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