...HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 9 PM CDT SUNDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 9 PM CDT SUNDAY... The National Weather Service in Tulsa has issued a Heat Advisory, which is in effect from 1 PM to 9 PM CDT Sunday. * HEAT INDEX...Maximum heat index values around 105 to 110 degrees will be possible this afternoon through early evening. Similar conditions are expected Sunday afternoon through the early evening. * TEMPERATURE...Mid to upper 90s. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible.
