Regional Current Barometric Pressure Map: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky: Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina . There are few clouds at an altitude of 12,000 ft and scattered clouds at an altitude of 22,000 ft. While every person who suffers from migraines has unique triggers, research has shown some weather patterns can increase the severity and frequency of migraines. of precipitation. These compressed molecules actually create a greater pressure than the excited and hot ones on a warm day. 9.5 | A typical barometric pressure in Denver, Colorado, is 615 mm Hg. Differences in air pressure caused by the weather or altitude changes can have a significant impact on the human body, though some people are more sensitive than others. Current weather conditions at DENVER INTERNATIONAL (DEN)