Downtown Des Moines on a hot humid day. July 21st 2014
The last two day have been very muggy over Iowa all thanks to southerly airmass that moved in late last week. Dewpoints rose to the middle to upper 70s and in some cases only a few degrees shy of 80, which is more normal of tropical jungles. The NWS in Des Moines released a very interesting post mentioning that some of the humidity can be contributed to all of Iowas abundant corn which releases thousands of gallons of water into the air each day. Although with this humidity temperatures were in the lower to middle 90s. Kansas City has a high temperatures all the way up to 99.F yesterday and many areas of central Kansas and Nebraska were well over 100. With this heat and humidity the the heat index values were pushed into the 105-112 range both days. Which made for a very un comfortable airmass. Below is a list of highs reported along with highest heat index values.
Fairmount Park-My Station 95.F
Des Moines Airport 93.F/106.F
Windsor Heights 93.F
Pleasent Hill 92.F
Indianola 91.F
Pella 92.F/105.F
Marshalltown 91.F/105.F
Ankeny 90.F/104.F
Ames 90.F/99.F
Newton 90.F/107.F
Knoxville 90.F/104.F
Boone 88.F/103.F
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