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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Abbotsford International Airport (CYXX)

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

Mostly Cloudy

55°F

13°C

Humidity 58%
Wind Speed SSW 16 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 41°F (5°C)
Visibility 25.00 mi
Last update 20 Mar 06:00 PM PDT
Extended Forecast for

Sumas WA

Flood Watch March 20, 06:27pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Flood Watch March 20, 06:27pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Flood Watch

  • Tonight

    Low: 39 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 9am. Mostly sunny, with a high near 49. Southwest wind 5 to 10 mph.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 37. Southwest wind 6 to 8 mph becoming south southeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • Sunday

    Sunday: Rain, mainly before 11am. High near 50. South wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain then
    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 35. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 39. South southwest wind 7 to 13 mph.
Saturday
A 30 percent chance of rain, mainly before 9am. Mostly sunny, with a high near 49. Southwest wind 5 to 10 mph.
Saturday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 37. Southwest wind 6 to 8 mph becoming south southeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly before 11am. High near 50. South wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 35. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 52.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 40.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain. Cloudy, with a low around 39.
Wednesday
Rain. Cloudy, with a high near 50.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Thursday
A chance of rain and snow. Partly sunny, with a high near 52.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumas WA
 49°N 122.27°W (Elev. 49 ft)
Last Update:
11:27 am PDT Mar 20, 2026
Forecast Valid:
6pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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