The Brief According to the National Weather Service, parts of Minnesota hit 100 degrees on Monday. Minnesota hits 100 degreesWhat we know:According to the National Weather Service, parts of Minnesota hit 100 degrees air temperature on Monday. Holy humidityBig picture view:The Twin Cities recorded a near-record high dew point of 81 degrees Monday morning. The National Weather Service recorded a dew point of 81 degrees at the Minneapolis-St. Paul International Airport at 2 a.m. Monday. The National Weather Service says the Twin Cities had only spent 28 hours with a dew point above 80 degrees before today.