Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Abbotsford International Airport (CYXX)

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

Mostly Cloudy

57°F

14°C

Humidity 93%
Wind Speed NA 2 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 55°F (13°C)
Visibility 30.00 mi
Last update 26 Aug 07:00 AM PDT
Extended Forecast for

Sumas WA

  • Today

    Today: Mostly sunny, with a high near 78. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of rain, mainly between 11am and 4pm.  Mostly cloudy, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain before 11pm.  Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: A 50 percent chance of rain.  Mostly cloudy, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 52. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely

  • Saturday

    Saturday: A 50 percent chance of rain.  Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Increasing clouds, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of rain, mainly between 11am and 4pm. Mostly cloudy, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
A 50 percent chance of rain before 11pm. Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm in the evening.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of rain. Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 52.
Monday
A slight chance of rain. Partly sunny, with a high near 71.
Monday Night
A chance of rain. Mostly cloudy, with a low around 53.
Tuesday
A chance of rain. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumas WA
 49°N 122.27°W (Elev. 49 ft)
11:26 pm PDT Aug 25, 2026
7am PDT Aug 26, 2026-6pm PDT Sep 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