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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Abbotsford International Airport (CYXX)

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

Overcast

54°F

12°C

Humidity 81%
Wind Speed SSW 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 48°F (9°C)
Visibility 15.00 mi
Last update 12 Apr 09:00 PM PDT
Extended Forecast for

Sumas WA

  • Tonight

    Tonight: Rain likely, mainly after 2am. Increasing clouds, with a low around 47. South southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Slight Chance
    Rain then
    Rain Likely

  • Monday

    Monday: Rain, mainly before noon. High near 54. South southwest wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 11pm. Low around 43. South wind 7 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain before 5pm, then showers and possibly a thunderstorm after 5pm. High near 49. South wind 7 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 36. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Showers then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am. High near 50. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 2am, then a slight chance of rain and snow. Partly cloudy, with a low around 35. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 2am. Increasing clouds, with a low around 47. South southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain, mainly before noon. High near 54. South southwest wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain, mainly after 11pm. Low around 43. South wind 7 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain before 5pm, then showers and possibly a thunderstorm after 5pm. High near 49. South wind 7 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 36. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 50. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of rain before 2am, then a slight chance of rain and snow. Partly cloudy, with a low around 35. Chance of precipitation is 20%.
Thursday
A chance of rain, mainly after 11am. Partly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 38.
Friday
A slight chance of rain after 11am. Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 60.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 59.
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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:
11:27 am PDT Apr 12, 2026
Forecast Valid:
9pm PDT Apr 12, 2026-6pm PDT Apr 19, 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