FOCUS SHIFTS FROM EXTREME HEAT TO SEVERE WEATHER
SPRINGFIELD (WICS) - Afternoon morning storms, temperatures have recovered by into the low 90s across central Illinois with heat indices again between 100° and 110°. EXCESSIVE HEAT WARNINGS and HEAT ADVISORIES expire at 8pm tonight as today is the final day of dangerously high heat. Helping to mark the transition into cooler weather will be two rounds of strong or severe weather, tonight and Sunday.
Tonight - Isolated or scattered thunderstorms have begun to develop after 5pm along some moisture boundaries, one along the Missouri/Iowa boarder and a second in central and southeastern Indiana. Widely scattered storms over central Illinois may occasional produce some strong winds or large hail. As this two boundaries connect near Mattoon, Charleston, and southeastern Illinois, more numerous thunderstorms will develop between Matton, IL and Bloomington, IN. This area is the most likely location for severe weather and possibly localized flooding. Threat level is a SLIGHT RISK (level 2 of 5) near Shelbyville, Effingham, and Charleston while a MARGINAL RISK (level 1 of 5) is the outlook level for the rest of central Illinois tonight.
Sunday - heat-busting cold front will pass through central Illinois in the afternoon and evening hours. This will focus scattered thunderstorms between 4pm and 10pm Sunday, some of which will be strong and severe. Main risks are high winds and hail, but flooding or tornadoes will not be an issue. Threat level is a SLIGHT RISK (level 2 of 5) for most locations in central Illinois with locations southwest of Winchester to Vandalia just under a MARGINAL RISK.
Heat wave is long gone next week with highs in the mid 80s Monday and Tuesday. And while Wednesday will see highs in the low 90s, it'll be nothing like what we just experienced. Thursday is the only day next week with any storm chances.
Be sure to "LIKE" Cheryl Lemke, Joe Crain and Thomas Patrick on Facebook and "FOLLOW" them on Twitter for the latest Summer forecasts for central Illinois.
THE 7-DAY TEMPERATURE OUTLOOK: Look for highs in the low 90s Sunday; mid 80s Monday and Tuesday; low 90s Wednesday; and mid 80 Thursday through Saturday. Lows will fall to the mid 70s Saturday night; mid 60s Sunday and Monday night; upper 60s Tuesday night; low 70s Wednesday night; and upper 60s Thursday and Friday night.
Thomas Patrick - Storm Team 20 Meteorologist
END OF HEAT WAVE IN SIGHT
Champaign (WCCU) - We're finishing up the week and getting into the weekend with a continuation of heat advisories and excessive heat warnings across much of the state. For us here in east central Illinois, the heat advisories are in place through late Saturday evening.
For Saturday, we'll see additional chances for showers/storms especially late when a frontal boundary begins to drop southward through mid Illinois. This will allow slightly cooler (but not much) and slightly less humid to follow. Saturdays high will end up in the low 90s while overnight lows end up in the low 70s by Sunday morning. By Sunday, the cooler and drier conditions hopefully will be more noticeable as highs reach to the upper 80s. Still warm by anyone's measurement but certainly better than what it has been this week!
By Monday, expect highs in the low 80s with partly cloudy to clear conditions and dew points to fall into the mid 60s. That will be a welcome change! Expect mostly sunny skies and mild conditions to continue through the mid week with lows in the low 60s and highs in the mid 80s. The next chance of showers/storms will come on Thursday when there will be a 30-percent chance.
Take precaution against heat related health issues, and look after those who may be unaware or unable to escape the exceptionally warm conditions, including pets.
Watch FOX-Champaign News at Nine weeknights at 5:30 and 9 p.m. on WCCU, Channel 27, or at FoxIllinois.com as well as the FOX Illinois app on your mobile device.
Doug Quick - FOX-Champaign Weather/News Anchor
Today's Record Temperatures