From Harlingen, Texas: A slight cool down is expected, bringing a better chance of rain. An upper-level low will enhance sea breeze showers and increase rain chances from Wednesday through Friday. Friday is currently expected to have the widest coverage of rain.

Further details about the upcoming weather are available from ValleyCentral. The forecast indicates a change in the weather pattern, with increased rain chances and a cool down. The upper-level low is a key factor in the expected weather change, but for more specific information, readers can consult the full report from ValleyCentral.