As the saying goes, "it's not the heat, it's the humidity" was very apropos on Wednesday with a blistering combination of heat and humidity present over the state and beyond. Air temperatures hit the century mark for the first time in a long while for places like Cedar Rapids. Waterloo topped out at 105 degrees! The big story though was the oppressive humidity which started off in the morning with dew points in the upper 70s and much of the day was spent there and even in the lower 80s! Waterloo was able to reach a remarkable combination of a temperature of 102 with a 78 dewpoint. The featured table presents IEM calculated highest dew point temperatures whilst the air temperature was 100+ degrees. The Waterloo value Wednesday was the highest on record for the site. As mentioned yesterday, all of this data does not cover the 1930s, so it is difficult to make a more broad assessment on if these were higher than those of that period or not.

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Tags:   2023