Late August Heat Wave Update #6

(7:30PM - 8/26/20) A heat wave continues to to affect the state and region, and will continue through Friday. Hot temperatures will continue to be expected during this time, with the potential for some records to fall.

Summary....
A strong ridge that had been in place across the Inter-Mountain West and Plains has shifted eastward, on into the Central US. This ridge will continue to be in place through the end of this week, bringing hot temperatures to much of the state and region. High temperatures will be widespread in the low to upper 90's across the state through Friday, with some areas in Northern and Central Illinois possibly nearing 100 a few of the days. Daily record high temperatures will be in jeopardy for some areas each day as well.

Forecast For Next Two Days...
Thursday, August 27th Forecast...
High temperatures will range from the low to mid 90's across Northern and Central Illinois, to the upper 80's to mid 90's across Southern Illinois. Heat index values will be moderate, in the low to upper 90's. Low temperatures in the upper 60's to upper 70's will be common across the state.

Friday, August 28th Forecast...
High temperatures will range from the upper 80's to low 90's across much of the state, the exception being Southern Illinois where the remnants of Hurricane Laura will keep temperatures a bit cooler. Heat index values will be moderate, in the low to upper 90's across much of the state, once again the exception being Southern Illinois. Low temperatures in the mid 60's to mid 70's will be common across the state.

Recap Summary...
Saturday, August 22nd Recap...
High temperatures topped out in the upper 80's to low 90's across Northern and Central Illinois, to the mid to upper 80's across Southern Illinois. Heat index values were low, and not much higher than the actual air temperatures. Low temperatures in the low 60's to low 70's were common across the state.

Sunday, August 23rd Recap...
High temperatures topped out in the upper 80's to mid 90's across the state. Heat index values were low, and not much higher than the actual air temperatures. Low temperatures in the low 60's to low 70's were common across the state. A few isolated showers and t'storm occurred across portions of Northern and Central Illinois, which tempered the heat a bit for some areas.

Monday, August 24th Recap...
High temperatures topped out in the mid to upper 90's across Northern and Central Illinois, to the upper 80's to mid 90's across Southern Illinois. Heat index values were moderate, generally in the low 90's to low 100's. Low temperatures in the mid 60's to low 70's were common across the state.

Tuesday, August 25th Recap...
High temperatures topped out in the low to upper 90's across Northern and Central Illinois, to the upper 80's to mid 90's across Southern Illinois. A back-door front kept portions of Northeast Illinois a bit cooler. Heat index values were moderate, in the low 90's to low 100's. Low temperatures in the mid 60's to mid 70's were common across the state.

Wednesday, August 26th Recap...
High temperatures topped out in the low to mid 90's across Northern and Central Illinois, to the upper 80's to mid 90's across Southern Illinois. Heat index were moderate, in the low to upper 90's. Low temperatures in the upper 60's to mid 70's were common across the state.

​​JP

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