High pressure in the middle and upper levels of the atmosphere expanded east-northeast from the southern Plains. As this high expanded across the Lower Ohio Valley, it brought a few days of excessive heat and humidity. Peak heat indices on the afternoon of the 10th reached 112 degrees at Paducah and 114 at Murray. On the 11th, the heat index peaked at 117 degrees at Paducah and 115 at Hopkinsville and Henderson. On the 12th, the heat index peaked at 112 degrees at Paducah and Hopkinsville, and 119 at Henderson. Actual air temperatures were highest on the 11th, when the high at Paducah was 97 and the low was 80. In Muhlenberg County, a Kentucky state highway worker collapsed from heat exhaustion while flagging traffic at a work zone. The worker was treated for dehydration.

Excessive Heat in WEBSTER, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in TRIGG, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in TODD, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in MCLEAN, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in HOPKINS, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in HENDERSON, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in DAVIESS, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in CHRISTIAN, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in MUHLENBERG, KENTUCKY
From 11-JUL-11 10:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in BALLARD, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in CALDWELL, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in CALLOWAY, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in CARLISLE, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in CRITTENDEN, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in FULTON, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in GRAVES, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in HICKMAN, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in LIVINGSTON, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in LYON, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in MARSHALL, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in MCCRACKEN, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in UNION, KENTUCKY
From 10-JUL-11 12:00:00 to 12-JUL-11 20:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS