A large and strong high in the upper levels of the atmosphere remained centered over the south central United States. The strength and size of the high brought excessive heat as far northeast as the Lower Ohio Valley and Mid-Mississippi Valley. The peak heat index reached 105 degrees at Marion and Mount Vernon on the 1st, 104 degrees at Mount Vernon on the 2nd, and 113 degrees at Carbondale on the 3rd. Other peak heat indices on the 3rd were 110 degrees at Marion and Harrisburg and 115 at Metropolis.

Heat in HARDIN, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in JEFFERSON, ILLINOIS
From 01-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Heat in JOHNSON, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat in MASSAC, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in PERRY, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in PULASKI, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in POPE, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in SALINE, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in UNION, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in WABASH, ILLINOIS
From 01-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in WAYNE, ILLINOIS
From 01-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in WILLIAMSON, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in WHITE, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in ALEXANDER, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in FRANKLIN, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in GALLATIN, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in HAMILTON, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in HARDIN, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in JACKSON, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in JOHNSON, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in MASSAC, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in PERRY, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in POPE, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in PULASKI, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in SALINE, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in UNION, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in WHITE, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in WILLIAMSON, ILLINOIS
From 03-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in ALEXANDER, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in EDWARDS, ILLINOIS
From 01-AUG-11 11:00:00 to 03-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in FRANKLIN, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in GALLATIN, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in HAMILTON, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat in JACKSON, ILLINOIS
From 01-AUG-11 11:00:00 to 02-AUG-11 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS