Hazy, hot and humid conditions accompanied by suppressed rain chances will continue for Acadiana until an upper level disturbance drops southward toward the Gulf States Friday allowing for increased odds for showers and storms into the holiday weekend.
In the near term, expect rather sultry nights/mornings with lows barely dropping below 80° for the rest of the week, followed by hazy, hot and humid afternoons.
The atmospheric haze re-appeared across Acadiana Tuesday as the leading edge of Saharan Dust moved in...and is expected to thicken a little more over the next couple of days.
This will in turn will help keep our rain chances near 5% through Thursday and allow for highs in the lower 90s Wednesday, perhaps up to the mid-90s Thursday, and low-mid 90s Friday before afternoon storms return. The haze however, could limit our daytime highs this period, but to what degree remains in question.
Heat index values will be in the 99-102° range Wednesday afternoon, near 100-104° range Thursday, and may push the 104-107° range Friday.
A fundamental change in the pattern however, will arrive Friday, as an upper low drops toward the Gulf States and then gets cut-off from the upper flow, leaving the storm-enhancing system meandering across the Gulf States for several days through the weekend, and more than likely, into early next week.
Look for storms to develop Friday afternoon into the early evening, followed by a good chance of daytime showers and storms every day through at least next Tuesday.
Rain chances will rise to the 50-60% range or better range during this period and also serving to hold our daytime high temperatures mostly in the 80s for several days.
Drier air, perhaps accompanied by more "dust", is expected to return to the region toward the latter part of next week which should lower our rain chances.
See the KATC 10 Day Forecast for the latest.
Meanwhile, a quick check of the Atlantic tropics reveals only crickets at this time.
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