HUMID, TROPICAL AIR ALONG WITH INCREASED STORM CHANCES
A FLASH FLOOD WATCH has been issued for Mason county tonight through Thursday morning at 7 AM.
Springfield (WICS) - Keep your rain gear within arm's reach as more rain will be making an appearance across central Illinois. A potent cold front is continuing to press its way out from the Plains, and as it plows eastward, it will spawn scattered showers and storms across Illinois later tonight with lingering shower and scattered storm possibilities right through Thursday as well. A few of the storms could potentially be strong producing gusty winds, hail, frequent lightning, and locally heavy rain. The Storm Prediction Center has placed all of central Illinois under a Marginal Risk to Slight Risk for severe weather.
Additionally, very warm and tropical air is entrenched across the region with "feels like" temperatures soaring into the mid 90s if not higher through Thursday. This very humid air mass will help to fuel the showers and storms, giving some storms the chance to produce soaking downpours and localized flooding.
By Friday this storm system should be clear of Illinois allowing cooler, drier, and less humid conditions to return briefly. Expect partly to mostly sunny skies to make a comeback for Friday with highs very comfortable in the low 80s.
Next weekend will feature a mix of clouds and sun, but with another weather system moving in, there is once again the chance for more scattered showers and isolated storms on Saturday and Sunday. Temperatures will remain seasonable or even a little above average for this time of year with afternoon highs in the low to mid 80s and lows near 70 over the weekend.
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THE 7-DAY TEMPERATURE OUTLOOK: Look for highs in the mid to upper 80s Wednesday through Friday; and, low to mid 80s Saturday through Tuesday. Overnight lows will fall to the low 70s Wednesday night; mid to upper 60s Thursday and Friday night; low 70s Saturday and Sunday night; and, upper 60s Monday night.
Cheryl Lemke - Storm Team 20 Chief Meteorologist
Today's Record Temperatures