Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Abbotsford International Airport (CYXX)

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

Overcast

57°F

14°C

Humidity 82%
Wind Speed SSW 6 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 15.00 mi
Last update 29 Jun 06:00 AM PDT
Extended Forecast for

Sumas WA

  • Today

    Today: Mostly cloudy, with a high near 71. Southwest wind 3 to 7 mph.

    High: 71 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 55. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain between 11am and 2pm.  Partly sunny, with a high near 68. Southwest wind 5 to 8 mph.

    High: 68 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 11am.  Mostly cloudy, with a high near 68. Calm wind becoming south southwest 5 to 7 mph.

    High: 68 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 71. Southwest wind 3 to 7 mph.
Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 55. Southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
A 30 percent chance of rain between 11am and 2pm. Partly sunny, with a high near 68. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 53. West southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
A 50 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 68. Calm wind becoming south southwest 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 68.
Thursday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 52.
Independence Day
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumas WA
 49°N 122.27°W (Elev. 49 ft)
11:26 pm PDT Jun 28, 2026
7am PDT Jun 29, 2026-6pm PDT Jul 5, 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