Several consecutive days were experienced with an extremely stressful combination of high heat and humidity. Heat indices frequently rose above 115 degrees during the day, with temperatures reaching the 90s and dew points remaining in the 70s to lower 80s. The high heat and humidity were evident at night, with minimum temperatures usually in the middle to upper 70s, and in some cases 80 degrees or a little higher.

Excessive Heat in LYON, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in OSCEOLA, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in DICKINSON, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in O'BRIEN, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in CHEROKEE, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in IDA, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in SIOUX, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in CLAY, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in BUENA VISTA, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in WOODBURY, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.

Excessive Heat in PLYMOUTH, IOWA
From 15-JUL-11 12:00:00 to 20-JUL-11 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

An extended period of excessive heat produced daytime temperatures reaching the 90s and dew points in the 70s to lower 80s, with heat indices often reaching or exceeding 115 degrees. Nighttime temperatures often in the mid 70s to lower 80s with continued high humidity provided little if any relief. The heat and humidity caused prolonged stress on people and livestock.