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A Resurgence of Dangerous Heat

High heat and humidity will surge back into the Ohio Valley over the coming days.

Posted: Aug 5, 2021 6:02 PM

Temperatures climbed higher for the third straight day in Evansville; today's peak temperature of 86° represents our highest recorded temperature in a week. That streak of warmer days however, isn't expected to be snapped anytime soon - the latest model data suggests that we may be dealing with not only our warmest weather of 2021 in the coming days, but our hottest temperatures in years! As for the remainder of the evening, expect comfortable conditions comparable to our recent nights across the Tri-State. After dipping toward 81° around dinnertime, we'll fall to 73° by 10PM before only falling as low as 64° early Friday morning. The combination of our winds shifting southward and some added cloud cover overnight will make for a milder start to our Friday morning.

Temperatures in the mid 60s early tomorrow will give the mercury a bit of a running head start and allow afternoon highs to reach up toward the upper 80s and low 90s areawide tomorrow; we'll hit 89° in Evansville (our warmest day in over a week). The aforementioned southerly wind flow isn't only expected to help drive temperatures higher over the next few days, but it'll force more Gulf humidity into the Ohio Valley as well - while heat indices may only climb a degree or two higher than the actual temperature on Friday, the weekend ahead looks nothing short of swampy.

We'll push above the 90° come Saturday afternoon, but dew point values in the mid 60s will make that high of 91° feel more like 94°; Sunday's anticipated high of 93° could feel more like 98°! Next week looks even more unbearable - higher pressure camped out over the Eastern Seaboard will continue to maintain our southerly winds here at home - Monday's high of 95° may feel more like 105° at times that afternoon. That being said, we are watching Tuesday, Wednesday and Thursday a bit closer - not only are we expecting the heat be brutal, but shower and storm chances those days could drive the amount of humidity in the atmosphere uncomfortably high. If the current forecast holds and we hit 96° on Tuesday, not only will it be the hottest day since July of 2017, but it will also feel like its nearly 110° outside!

Evansville
Clear
48° wxIcon
Hi: 78° Lo: 43°
Feels Like: 48°
Owensboro
Clear
49° wxIcon
Hi: 78° Lo: 43°
Feels Like: 47°
Princeton
Clear
49° wxIcon
Hi: 77° Lo: 44°
Feels Like: 49°
Madisonville
Clear
50° wxIcon
Hi: 78° Lo: 43°
Feels Like: 50°
Jasper
Clear
49° wxIcon
Hi: 75° Lo: 43°
Feels Like: 49°
Just another day in paradise; afternoon highs again topped out in the mid to low 70s across the Tri-State under a mix of sun and clouds. If you have plans out and about this evening, make sure to grab a jacket before you head out - after seeing temperatures near 64° around dinnertime, the mercury will dip to 57° by 10 o'clock before falling all the way back down into the mid to upper 40s early Wednesday morning. Sure, tomorrow morning's lows of 47° will represent our mildest start to a day since this past Friday, but it's still going to make for a cool start to our midweek nonetheless. The combination of sunshine and southerly winds however, will help drive temperatures back into the low 70s by lunchtime - if you're planning on lunching outside Wednesday, make sure not to do so in the shade. Wind gusts near 15 mph at times during our lunch hour will make for a chilly brown bag lunch outdoors.
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