Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Abbotsford International Airport (CYXX)

Lat: 49.03333°NLon: 122.36667°WElev: 177.0ft.

Mostly Cloudy

50°F

10°C

Humidity 53%
Wind Speed N 6 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 34°F (1°C)
Visibility 30.00 mi
Wind Chill48°F (9°C)
Last update 19 Jan 03:00 PM PST
Extended Forecast for

Sumas WA

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 51. Northeast wind 7 to 9 mph.

    High: 51 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. East northeast wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. North northeast wind around 6 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Light east northeast wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Thursday Night

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

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Light and variable wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 51. Northeast wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 34. East northeast wind around 6 mph.
Wednesday
Sunny, with a high near 49. North northeast wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 33. Light east northeast wind.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 47.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 47.
Sunday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumas WA
 49°N 122.27°W (Elev. 49 ft)
2:44 pm PST Jan 19, 2026
3pm PST Jan 19, 2026-6pm PST Jan 26, 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