THE HEAT WAVE FINALLY BREAKS DOWN
SPRINGFIELD (WICS) - The unseasonably hot stretch of record-breaking temperatures hangs around for one more day before much cooler fall weather finally settles into central Illinois to finish out a very dry September.
Temperatures will once again soar toward the low 90s flirting with potentially record breaking highs on Tuesday. A few spotty showers could pop up in the afternoon as the heat and humidity builds. But the better chance for showers -- which is slim, at best -- will hold off until Tuesday evening and early Wednesday morning when a moisture-starved cold front slides through the state with only a few stray showers possible and perhaps a rumble of thunder or two.
Much cooler air quickly spills in behind the departing front and temperatures will take a big swing with highs back into the upper 70s Wednesday afternoon and noticeably cooler overnight lows plunging into the upper 40s and low 50s by early Thursday morning.
September 2017 will go into the record books as the second driest September of all-time in the Capital City. After the spotty shower chances Tuesday through early Wednesday, there's not a rain cloud in sight for the rest of the week. High pressure will dominate for mostly sunny skies through the weekend with a return to cooler and more seasonable temperatures.
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THE 7-DAY TEMPERATURE OUTLOOK: Look for highs in the low 90s Tuesday; mid to upper 70s Wednesday through Sunday; and, low 80s Monday. Overnight lows will fall to the low 60s Tuesday night; upper 40s and low 50s Wednesday through Saturday night; and, mid 50s Sunday night.
Joe Crain - Storm Team 20 Meteorologist
A RETURN TO MORE FAVORABLE WEATHER CONDITIONS
Champaign (WCCU) - An incoming frontal boundary will give us some relief from the heat this week, but also bring us some cloudiness to start the day on Wednesday. After seeing highs in the low 90s during the first two days of the week, our daytime highs will fall to the upper 70s on Wednesday. By later in the day, skies will clear to become mostly sunny once again, but with much cooler conditions.
On Thursday, our daytime highs will continue to fall into the mid 70s under sunny skies. Mid 70s is pretty average for this time of year, but temperatures will fall even further to the low 70s for the end of the week and the weekend. Sky conditions will continue to be clear during the period from the end of the week through the weekend. Overnight lows will also fall into the mid to upper 40s through the weekend as well.
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Today's Record Temperatures