The first extended heat wave of the summer started on August 20 and lasted through August 27. High temperatures in the mid to upper 90s along with high humidity pushed the Heat Index from 105 to 110 degrees. St. Louis County health authorities reported 56 heat related injuries during the event.

Excessive Heat in AUDRAIN, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: AWOS

Excessive Heat in BOONE, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: ASOS

Excessive Heat in CALLAWAY, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in COLE, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: ASOS

Excessive Heat in CRAWFORD, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: AWOS

Excessive Heat in FRANKLIN, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in GASCONADE, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in IRON, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in JEFFERSON, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in KNOX, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in LEWIS, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in LINCOLN, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in MADISON, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in MARION, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: AWOS

Excessive Heat in MONITEAU, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in ST. LOUIS, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: ASOS

The St. Louis County Health Department reported 56 heat related injuries during the heat wave.

Excessive Heat in ST. LOUIS (C), MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in STE. GENEVIEVE, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in WARREN, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in WASHINGTON, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in MONROE, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in MONTGOMERY, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in OSAGE, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in PIKE, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in RALLS, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in REYNOLDS, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in SHELBY, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: COOP Observer

Excessive Heat in ST. CHARLES, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: ASOS

Excessive Heat in ST. FRANCOIS, MISSOURI
From 20-AUG-14 12:00:00 to 27-AUG-14 19:00:00 (CST-6)
Reported by: ASOS