Heavy Rain and Fall-Like Temperatures

A passing cold front will usher rain chances and fall-like temperatures into the Tri-State.

Posted: Sep 20, 2021 6:30 PM

After a damp start to our Monday, the rain and skies gradually cleared for many of us and we were left with a pleasant and breezy, albeit humid afternoon throughout the Tri-State. The southerly winds paired with the clearer skies later in the day helped drive temperatures back into mid to low 80s for many of us. The evening ahead should remain dry and mild; after seeing temperatures around 80° dinnertime and 75° by 10PM, we'll fall off to a morning low near 69° in Evansville early Tuesday morning.

Our quiet and mostly cloudy start to our Tuesday will quickly give way to more rainfall. A cold front pushing east across the Midwest will begin to produce rainfall for portions of the Tri-State between 8AM and 9AM Tuesday. From there, the front will gradually push eastward across the region, first sweeping east of the Wabash River by noon and bringing heavy rainfall to Evansville shortly thereafter. The line of showers and thunderstorms will reach Owensboro and Madisonville around 1:30 PM before finally exiting east of the Tri-State between 3PM and 4PM tomorrow afternoon. As the heaviest of our rain and associated cold front swings east of the region, temperatures will begin to cool - after only reaching 79° as a high on Tuesday, the mercury will dip toward the mid 50s overnight.

While it's possible that we may see some lingering scattered rainfall late Tuesday after the passage of the aforementioned cold front, it's looking more and more like another round of heavier rain will settle in over the areas east of Evansville during the predawn hours Wednesday. The latest model data suggests that communities east of a Madisonville to Jasper line may see additional rainfall through the late morning and possibly even early afternoon as a low stalls north of the Tri-State. By the time it's all said and down Wednesday afternoon, some areas east of Evansville's could see more than 2" of total precipitation.

Mother Nature couldn't have timed the beginning of the fall season here in the Tri-State any better- once the rainfall comes to an end and the combination of northerly winds and clear skies take hold across the Ohio Valley, temperatures will nosedive. The annual Autumnal Equinox will occur at 2:20 PM Wednesday, officially kicking off everyone's favorite season just as we reach a high temperature of just 69° on Wednesday afternoon. If you think that sounds crisp, Thursday morning's anticipated low temperatures is 48°! As long as the forecast holds, both would represent our coolest temperatures recorded in Evansville in nearly 4 months!

Evansville
Clear
50° wxIcon
Hi: 73° Lo: 43°
Feels Like: 50°
Owensboro
Clear
52° wxIcon
Hi: 73° Lo: 43°
Feels Like: 52°
Princeton
Clear
49° wxIcon
Hi: 73° Lo: 43°
Feels Like: 49°
Madisonville
Clear
49° wxIcon
Hi: 76° Lo: 42°
Feels Like: 49°
Jasper
Clear
47° wxIcon
Hi: 72° Lo: 42°
Feels Like: 47°
It was another chilly start across the Tri-State; while we only dipped as low as 43° in Evansville, many others across the Tri-State fell into the upper 30s earlier this morning. The cool air didn't linger long however, temperatures quickly reached back into the mid 70s across the region this afternoon - higher pressure camped out over the southeastern quarter of the country will continue to keep the skies above the Tri-State clear while gradually driving temperatures higher over the next few days. Despite our anticipated southerly winds this evening, you may still want to grab a jacket before your head out to dinner; after seeing a temperature near 64° around dinnertime, we'll fall off toward the mid to upper 50s by 10 o'clock. Overnight lows will again dwindle into the mid to low 40s for the majority of the Ohio Valley early Tuesday morning.
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