MINNEAPOLIS (WCCO) – The Twin Cities metro area hit a record 99 degrees for a high temperature on Monday, and with high humidity levels, the heat index got as high as 105 degrees in the Twin Cities.

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It didn’t take long to feel it outside, and it was too much for some.

Officials at Hennepin County Medical Center said at least six people were hospitalized Monday with heat related illnesses. Another 10 patients were also admitted to Regions Hospital in St. Paul.

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Officials with North Memorial Hospital in Robbinsdale said they haven’t had any patients with heat-related illnesses but are prepared for any that occur.

A mixture of the excessive heat and severe weather also has many metro area residents without power. Officials with Xcel Energy reported about 223 outages across the metro that they say affect as many as 9,200 people. An excessive heat warning remains in effect until 10 p.m. Thursday.

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Health experts say if you can’t avoid being outside during this hot stretch, be sure to drink plenty of water. Also limit your time outside to spurts, and immediately seek shelter if you start to feel tired or nauseous.