On this date in 1934, the low temperature at Unionville, Missouri was 84 degrees – two degrees warmer than their forecast maximum for today. It was the sixth hottest day on record in the Midwest, with an average afternoon temperature of 102.6 degrees. Unionville reached 110 degrees that day, and Mexico, Missouri was 114 degrees.

Every single station in Illinois was over 100 degrees that day, ranging from 102 degrees to 114 degrees.

ALEDO 104
ANNA 2 NNE 107
AURORA 106
CARLINVILLE 113
CHARLESTON 107
DANVILLE 106
DECATUR WTP 107
DIXON 1W 102
DU QUOIN 4 SE 111
GALVA 104
HARRISBURG 108
HILLSBORO 108
HOOPESTON 108
JACKSONVILLE 2E 109
LA HARPE 108
LINCOLN 104
MARENGO 106
MCLEANSBORO 108
MINONK 105
MONMOUTH 103
MORRISON 106
MT CARROLL 103
MT VERNON 3 NE 105
OLNEY 2S 102
OTTAWA 5SW 106
PALESTINE 105
PANA 107
PARIS STP 107
PONTIAC 106
RUSHVILLE 111
SPARTA 1 W 114
CHAMPAIGN 3S 103
WALNUT 104
WHITE HALL 1 E 113
WINDSOR 105
Heat like this is incomprehensible now. Illinois has only recorded one temperature over 100 degrees in the last six years. But Illinois did record their two coldest temperatures on record this year, -38F on January 31, and -36F on February 1.

24 Jul 1934, 1 – The Daily American at Newspapers.com
But now we have the heat index, and people paid billions of dollars to lie about the climate.