PERSISTENT PATTERN OF MUGGY SUMMERTIME HEAT AND THE THREAT OF HEAVY RAINS CONTINUE
Springfield (WICS) - There's seemingly no let up in the summertime heat and humidity and that muggy airmass continues to provide the fuel for potentially heavy rains across Central Illinois.
Temperatures remain warm and muggy the next couple of days with daytime highs easily into the upper 80s Tuesday and "feels like" temperatures pushing into the low to mid 80s as a tropical-like airmass remains southward of stalled frontal boundary stretched across northern Illinois in the vicinity of the I-80 corridor.
The close proximity of that frontal boundary continues to touch off chances for widely scattered showers and storms. Since steering currents remain rather weak, any storms developing Tuesday are likely be slow-movers with potentially locally heavy rain and the threat for flash flooding.
More widespread chances for showers and storms are expected Wednesday with the passage of a cold front. Rain chances will gradually diminish through the afternoon and a much welcomed retreat to cooler and noticeably less humid conditions can be expected by Thursday.
High pressure building south from the Great Lakes will dominate late week with abundant sunshine and pleasantly mild weather into the start of the holiday weekend. However, the extended outlook is beginning to point to the return of rain chances by late afternoon or early evening on Labor Day.
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THE 7-DAY TEMPERATURE OUTLOOK: Look for highs in the upper 80s Tuesday; low 80s Wednesday; upper 70s Thursday and Friday; low 80s Saturday; mid 80s Sunday; and, upper 80s Labor Day. Overnight lows will fall to the low 70s Tuesday night; mid to upper 50s Wednesday through Friday night; low 60s Saturday night; and, around 70 Sunday night.
Joe Crain - Storm Team 20 Meteorologist
Today's Record Temperatures