Some of the hottest temperatures in many years occurred the last 4 days of June and continued into July. St. Louis, MO recorded its highest ever June temperature hitting 108 degrees on June 28. Nearly all reporting stations were over 100 degrees the last 3  to 4 days of June with most sites around 105. The 28th was the hottest day. Some high temperatures across the Illinois counties on the 28th included 109 degrees at the Kaskaskia Lock, 108 in Sparta and Nashville, 107 in Cahokia, 106 in Belleville and Lebanon, with 104 at Carlyle Lake, Ramsey, Salem, and Vandalia. The good thing was the air was very dry, thus the Heat Index was not much different than the air temperature.

Excessive Heat in BOND, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in ADAMS, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in CLINTON, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in FAYETTE, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in BROWN, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in CALHOUN, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in GREENE, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in JERSEY, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in MACOUPIN, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in MADISON, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in MARION, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in MONROE, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Excessive Heat in PIKE, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in MONTGOMERY, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in RANDOLPH, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Excessive Heat in ST. CLAIR, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Excessive Heat in WASHINGTON, ILLINOIS
From 27-JUN-12 12:00:00 to 30-JUN-12 23:59:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer