Mon-Sun, Aug 23-29th Heat Wave Recap

(8:00PM - 9/2/21) A heat wave spanning over a several day period impacted portions of the region and the state, Aug 23-29th. This period brought multiple days with high temperatures well into the 90's and heat indices into the 100's for many areas.

Summary....
A heat wave impacted to region and state during late August. A large and elongated ridge was in place across the Central to Eastern US, which is helped to extend hot and humid conditions into the state and region for several day period of time. During this time, high temperatures made it into the 90's for many areas across the state for several days during this period. Additionally, heat index values were high, a product of high humidity/high dew points into the low 70's to low 80's...Leading to heat index values into the 95-110 degree range for many areas for several days during this period. An active storm pattern was also in place, which tempered conditions at times across portions of the state.

​Recap Summary...
Monday, Aug 23rd Recap...
High temperatures topped out in the upper 80's to mid 90's across Central and Southern Illinois, and low temps in the low 60's to low 70's. Peak heat index values peaked in the low to upper 90's.

Tuesday, Aug 24th Recap...
High temperatures topped out in the low to upper 90's across the state, and low temps in the mid 60's to mid 70's. Peak heat index values peaked in the upper 90's to low 110's.

Wednesday, Aug 25th Recap...
High temperatures topped out in the low to upper 90's across all but Northwest Illinois, and low temps in the mid 60's to upper 70's. Peak heat index values peaked in the upper 90's to upper 100's.

Thursday, Aug 26th Recap...
High temperatures topped out in the upper 80's to upper 90's across all but Northwest Illinois, and low temps in the mid 60's to mid 70's. Peak heat index values peaked in the mid 90's to upper 100's.

Friday, Aug 27th Recap...
High temperatures topped out in the upper 80's to mid 90's across the state, and low temps in the mid 60's to mid 70's. Peak heat index values peaked in the mid 90's to upper 100's.

Saturday, Aug 28th Recap...
High temperatures topped out in the upper 80's to mid 90's across the state, and low temps in the upper 60's to mid 70's. Peak heat index values peaked in the low 90's to mid 100's.

Sunday, Aug 29th Recap...
High temperatures topped out in the upper 80's to low 90's across Central and Southern Illinois, and low temps in the mid 60's to mid 70's. Peak heat index values peaked in the low 90's to low 100's.

JP