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

Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Abbotsford International Airport (CYXX)

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

Overcast

48°F

9°C

Humidity 53%
Wind Speed SW 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 32°F (0°C)
Visibility 30.00 mi
Wind Chill45°F (7°C)
Last update 23 Mar 06:00 PM PDT
Extended Forecast for

Sumas WA

Wind Advisory March 24, 11:00am until March 24, 06:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain likely, mainly after 5am. Cloudy, with a low around 40. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Cloudy then
    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly before 2pm. High near 53. East northeast wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then rain between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 38. South southwest wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers

  • Wednesday

    Wednesday: Rain before 2pm, then showers and possibly a thunderstorm after 2pm. High near 48. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 35. South wind 7 to 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Rain likely, possibly mixed with snow before 11am, then a chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Thursday Night

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

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Cloudy, with a low around 40. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly before 2pm. High near 53. East northeast wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then rain between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 38. South southwest wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain before 2pm, then showers and possibly a thunderstorm after 2pm. High near 48. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain before 11pm, then rain likely, possibly mixed with snow. Some thunder is also possible. Low around 35. South wind 7 to 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain likely, possibly mixed with snow before 11am, then a chance of rain. Mostly cloudy, with a high near 50. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Mostly cloudy, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
Rain likely. Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sumas WA
 49°N 122.27°W (Elev. 49 ft)
Last Update:
2:16 pm PDT Mar 23, 2026
Forecast Valid:
6pm PDT Mar 23, 2026-6pm PDT Mar 30, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation