Some of the trends in Iowa’s weather from this past July, which ranked as Iowa’s fifth coolest in 142 years, continued into August. This below-normal temperature trend continued in most of Iowa into the middle of August.

July rainfall varied widely across the state, averaging below normal for the state as whole. This wide variability in rainfall continued into August, with locations in northern into eastern Iowa reporting very little rainfall into the third week of the month, while locations farther southwest reporting amounts well above normal.

Some warmer days with above normal temperatures returned to Iowa during the latter part of August, but there were also days when high temperatures were kept below normal by clouds and rain.

An increase in...