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More Heat, Humidity and Potentially Severe Storms Ahead

Hot humid weather sticks around the Tri-State for the foreseeable future.

Posted: Jul 20, 2020 9:55 PM

Afternoon highs across the Tri-State ranged from the mid to low 80s north of the River to the mid to low 90s south of the Ohio Valley. The difference maker? Showers and storms developing during the late morning across Southern Illinois and Indiana supplied much of the region with rain-cooled air, though our Kentuckian counties still saw heat indices in the triple digits earlier. That combination of high heat and humidity fueled the chance for Severe Weather across Western Kentucky over these last few hours as well, though that threat no longer exists.

The remainder of the evening looks quieter across the Tri-State, though there remains a possibility for some scattered rainfall overnight (primarily during the predawn hours Tuesday). Your Tuesday morning commute however, looks like it will be a dry one. We'll find ourselves on the wrong side of the warm front tomorrow, safely within what's refereed to as the warm sector. A southwesterly wind flow will force more heat and humidity in across the Ohio Valley. Temperatures are expected to reach the mid to low 90s area-wide with heat indices north of 100° at times. The ample amount of excess heat and humidity will undoubtedly fuel another bout of shower and thunderstorm development tomorrow afternoon and early evening. As a result, the Storm Prediction Center has placed the entire Tri-State under a threat for Severe Weather for that period.

Current model data suggests that showers and storms may begin to form as early as 3PM in spots and linger up until 8PM or so; some of these storms may produce gusty winds and small hail. Unfortunately, the rest of the extended forecast ahead doesn't look much better - Afternoon highs will routinely reach the upper 80s and low 90s and with little to no relief from the humidity in sight, heat indices are expected to peak near or above 100° each and every afternoon. Additionally, the lingering heat/humidity combo will likely lead pop-up showers and storms each afternoon through the middle part of next week.

Stay cool and wear your mask.

Evansville
Overcast
47° wxIcon
Hi: 50° Lo: 36°
Feels Like: 42°
Owensboro
Overcast
49° wxIcon
Hi: 53° Lo: 37°
Feels Like: 44°
Princeton
Overcast
50° wxIcon
Hi: 47° Lo: 35°
Feels Like: 50°
Madisonville
Overcast
49° wxIcon
Hi: 55° Lo: 38°
Feels Like: 44°
Jasper
Overcast
47° wxIcon
Hi: 51° Lo: 36°
Feels Like: 42°
Periods of torrential rain will continue through the Tri-State.
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