 The 16th annual KRMG Home and Garden Expo of Oklahoma presented by Burnett Home Improvement, Generator Supercenter of Oklahoma, Native Roofing, our friends at Fox 23, and Rickert Landscaping and Tree Service. We're getting you up to speed with the three big things you need to know every 15 minutes. Three. Happening today, the hottest day of the year so far with a forecast high of 103, a heat index of 110 expected, and excessive heat warning runs from noon until 8th.