Update (1017ET):

The latest advisory note from the National Hurricane Center (NHC) shows Hurricane Milton has "rapidly intensified" into a Category 4 storm, with maximum sustained winds in excess of 150 mph. 

"Data from both Hurricane Hunter aircraft indicate maximum winds are estimated to be 150 mph with a pressure fallen to 940 mb. Changes will be reflected in the normal 10 AM CDT advisory products," NHC wrote on X.