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Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Bellingham, Bellingham International Airport (KBLI)

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

Clear

83°F

28°C

Humidity 47%
Wind Speed W 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Jul 01:53 PM PDT
Extended Forecast for

Bellingham International Airport WA

Heat Advisory until July 22, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 22, 11:00pm

    NOW until 11:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 86 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke before 7pm. Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Smoke
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Patchy smoke after 5pm. Sunny, with a high near 86. West southwest wind around 5 mph.
Tonight
Patchy smoke before 7pm. Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. Light and variable wind.
Thursday
Mostly sunny, with a high near 80. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 58.
Saturday
Partly sunny, with a high near 72.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 57.
Sunday
A chance of rain. Partly sunny, with a high near 72.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 57.
Monday
A chance of rain. Partly sunny, with a high near 71.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bellingham International Airport WA
 48.79°N 122.53°W (Elev. 144 ft)
Last Update:
12:40 pm PDT Jul 21, 2026
Forecast Valid:
2pm PDT Jul 21, 2026-6pm PDT Jul 27, 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