Excessive Heat Warning extended to Thursday

MASON CITY — Another day of an Excessive Heat Warning for north-central Iowa as triple-digit temperatures are possible today. The warning lasts now until Thursday evening at 7:00 PM. Dangerously hot conditions with the heat index values peaking at around 105 to 110 degrees are possible today and tomorrow. Extreme heat and humidity will significantly increase the potential for heat-related illnesses. 

The high in Mason City on Tuesday was 96, one degree shy of the record of 97 set back in 1947. Today’s record high is 100 set back in 1948. 

Some schools have decided to let out early or cancel classes today due to the extreme heat:

== Newman Catholic Schools in Mason City will be canceling classes on Wednesday and Thursday, with the first day of school being on Friday due to the heat. 

== Garner-Hayfield-Ventura has decided to cancel classes on Wednesday and Thursday and will start the school year on Friday. 

== Osage Community Schools will dismiss early on Wednesday and Thursday, with Lincoln Elementary dismissing at 12:10 and the middle school and high school dismissing at 12:25

== Charles City Community Schools will dismiss three hours early on Wednesday and Thursday due to the heat, with lunch being served

== Central Springs — Wednesday and Thursday — 1:00 PM, daycare closes at 2:00