A heat dome acts like a lid on a pot, trapping hot air underneath and preventing rain from cooling down an area.
This article was originally published by 9News Colorado (RSS) on Tuesday, July 14, 2026. TownPost surfaces local news from over 40 outlets and uses AI to score each story for relevance to Longmont and the surrounding area.
Relevance score: 70/100. This story has high local relevance to Longmont residents.
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