Jul 15, 2014 4:38 PM by Rob Perillo

Rare Break from Heat/Humidity

A much needed and rare break from the high summer heat, atmospheric moisture & low-level humidity is expected for Acadiana Wednesday as a weakening frontal boundary reaches just offshore early Wednesday.

This means that although still quite warm, dew points are expected to drop into the more comfortable 60s Wednesday along with reduced rain chances...this will last for about 24 hours!

Temperatures will likely be in the lower 70s Wednesday morning with afternoon readings in the upper 80s under fair to partly cloudy skies, accompanied by northerly winds.

The respite will be short-lived with winds swinging back out of the southeast Thursday followed by southerly winds and a return of deep tropical moisture Friday.

Rain chances Thursday will be tricky with the risk of some storms returning for the afternoon/evening mainly for extreme Southwest Louisiana.

By Friday, an area of low pressure over Texas will induce deep tropical moisture to advance northward while the low and returning frontal boundary will likely by the focus of heavy thunderstorm activity.

This system could bring 3-5" of rain or more and potential flooding to portions of the ArkLaTex Friday into the weekend.

Locally, in Acadiana, expect fairly high rain chances and even the threat of strong to possibly severe storms Friday. Heavy rainfall of a couple of inches, localized street flooding may be possible with Friday's storms along with a few cells that could contain strong winds and/or hail. 

The deep tropical moisture and instability will likely stay in Acadiana/Louisiana through the weekend manifesting in elevated rain chances through Sunday.

Rain chances should slowly decrease to a more "scattered" scenario into next week.


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