Tropical Storm Don is picking up steam as it heads towards the Rio Grande Valley. 

Action 4 News has confirmed nearly a dozen flights have alredy been cancelled. 

Southwest Airlines has suspended operations at Valley International Airport in Harlingen and in Corpus Christi.

FLIGHT CANCELLATIONS:

Valley International Airport, Harlingen

Arrivals:

Southwest 295 HOU 05:35           CANCELLED

Southwest 39 HOU 06:25             CANCELLED

Departures:

Southwest 1863 HOU 06:00         CANCELLED

Southwest 58 HOU 06:55             CANCELLED

Southwest 3781 SAT 07:45           CANCELLED

BROWNSVILLE

Arrivals:

American Airlines 5:15pm AA3278D/FW CANCELLED

Departures:

American Airlines 5:45pm AA2922D/FW  CANCELLED

McAllen

McAllen Miller International Airport

Arrivals:

Continential Airlines CO 3267 Houston-IAH 6:28pm CANCELLED

Departures:

Continential Airlines CO 3273 Houston-IAH 6:58pm CANCELLED