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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Bellingham, Bellingham International Airport (KBLI)

Lat: 48.79911°NLon: 122.54064°WElev: 148.0ft.

Clear

57°F

14°C

Humidity 87%
Wind Speed S 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Sep 11:20 PM PDT
Extended Forecast for

Bellingham WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. South southeast wind around 6 mph becoming calm after midnight.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 1am and 3am. Mostly cloudy, with a low around 51. South wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Rain

  • Friday

    Friday: Rain before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. South southeast wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
A 30 percent chance of rain, mainly between 1am and 3am. Mostly cloudy, with a low around 51. South wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 68. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 49. Calm wind.
Thursday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 66.
Thursday Night
Rain. Low around 51. Chance of precipitation is 90%.
Friday
Rain before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47.
Saturday
A slight chance of rain before 11am. Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Mostly cloudy, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Mostly cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bellingham WA
 48.76°N 122.48°W (Elev. 30 ft)
Last Update:
11:26 pm PDT Sep 21, 2026
Forecast Valid:
11pm PDT Sep 21, 2026-6pm PDT Sep 28, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation