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Heat eases slightly; better rain chances eventually

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Heat Index Forecast - 5 Day.png
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Posted at 4:58 PM, Jul 14, 2020
and last updated 2020-07-14 23:28:53-04

After another day of high heat and heat indices, a little bit of a change is on tap for Acadiana over the next few days: yes it's still going to be hot, but not quite as hot as the last several days.

Even though high pressure aloft will dominate for the most part, a weakness in the ridge to our east will slide from east to west across the area by Thursday, which should bring us a decent chance of scattered storms by then.

In the near term, expect another fair to partly cloudy day for our Wednesday, with rain chances remaining slight at 20%.

Any shower or thundershower activity the area see will likely be confined to the afternoon and/or early evening hours.

Temperatures Wednesday will top out close to the low-mid 90s.

Heat indices Wednesday will drop a little bit more with max readings expected to be closer to 102-108°...which is better than the 108-114° we've seen over the last several days.

ICAST Heat Index Daniel.png

As mentioned earlier, it does appear that an increase in atmospheric moisture combined with a weak moving upper disturbance arriving from the east should yield a pretty good chance of scattered showers and thunderstorms Thursday, but activity should be relatively short-lived.

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Thereafter, it appears that moisture levels will drop, and so will the rain chances Friday into Saturday with rain chances dropping 10-20% Friday, and near zero Saturday.

A little more moisture...at least back to more typical summer should arrive early-mid-next week which should yield the daily chance of scattered, primarily afternoon storms...which in turn should limit our highs for a few days closer to the upper 80s to lower 90s.

Overall, the 10 Day Forecast is still screaming "summer", but with more tolerable temperatures and heat indices typical of the time of year.

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The tropics remain quiet and are expected to stay that way through the next week to 10 days...or more.

And in International Space Station news, Acadiana should have a better opportunity to see a flyby early Tuesday evening just as it's getting dark.

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Skies are expected to be fair for the flyby which will be between 8:57 and 9:03 pm.

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