...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 7 PM CDT FRIDAY... The National Weather Service in Norman has issued an Excessive Heat Warning, which is in effect until 9 PM CDT this evening. A Heat Advisory has also been issued. This Heat Advisory is in effect from 9 PM this evening to 7 PM CDT Friday. The Heat Advisory is no longer in effect. * HEAT INDEX VALUES...Up to 115. * TIMING...Thursday afternoon and Friday afternoon. * IMPACTS...The heat and humidity may cause heat stress during outdoor exertion or extended exposure.
