|A Taste of Autumn Thursday...
Then Back to Late Summer by the Weekend
The season's second notable cold front will arrive around or shortly after midnight across Deep South Texas and the Lower Rio Grande Valley, followed by a period of blustery north winds, overcast skies, and noticeably cooler temperatures and lower humidity by daybreak Thursday. However, the clouds, and possible light showers, will not last very long, and skies will clear from north to south from late morning into the afternoon. The gusty winds, up to 25 to 30 mph toward the coast, will make it feel somewhat chilly in the morning, but winds should begin to diminish by afternoon, with the sunshine allowing temperatures to recover from near 60 at daybreak to the lower or mid 70s later on.
Boating conditions will turn from tranquil to treacherous very quickly overnight, with seas building to 8 feet or higher just offshore before daybreak and sustained winds perhaps touching 30 knots for a time. Surf will briefly become rough and confused, and could build up to 5 feet, and rip current threat will be high from morning through evening on Thursday. Not a great day for seafarers, but better days will soon arrive.
Those who remember the chilly blast of Autumn a year ago October 22nd, when mid morning temperatures at Brownsville plummeted 33 degrees in only an hour (from 85 to 62°F!), ushered in by 25 to 35 mph north winds gusting over 45 mph, take heart; this front will be a lamb compared with that "lion" which signified a definite change in the seasons, leaving temperatures and humidity below average right up until Halloween. After a pleasantly cool and calm start Friday, temperatures will rebound toward 80 or so, finishing off the work week.
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