From Harlingen, Texas: A drier trend is expected to set in over the weekend. Before that, there may be a few more instances of thundershowers. Moisture from tropical sources could lead to these showers on Thursday and Friday afternoons.

These thundershowers will be sparked by sea breezes. They are expected to be scattered.

Further details about the weather pattern are available from ValleyCentral. Temperatures are running above average due to a high-pressure system.