Mon-Sun, Aug 23-29th Heat Wave
(11:00AM - 8/24/21) A period of hot and humid conditions continues to settle in across region and will continue to impact the state through this upcoming weekend. Hot temperatures, high humidity and high heat indices are expected across the state and region during this period.
A large and elongated ridge is in place across the Central to Eastern US, which is helping to extend hot and humid conditions into the state and region for several day period of time, through this upcoming weekend. During this time, high temperatures will make it into the 90's for many areas across the state for several days during this period. Additionally of note will be the high heat index values, a product of high humidity/high dew points into the mid 70's to low 80's...Leading to heat index values into the 100-110 degree range for many areas for several days during this period.
Forecast For Next Two Days...
Tuesday, Aug 24th Forecast...
High temperatures will range from the low to mid 90's across the state, with low temperatures ranging from the low to upper 70's. Heat index values will be in the upper 90's to upper 100's. Note: Rain/t'storm could temper the heat/humidity for some areas.
Wednesday, Aug 25th Forecast...
High temperatures will range from the upper 80's to mid 90's across the state, with low temperatures ranging from the upper 60's to upper 70's. Heat index values will be in the mid 90's to upper 100's. Note: Rain/t'storm could temper the heat/humidity for some areas.
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 were in the low to upper 90's.
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