 KRMG Newstime 534. I'm April Hill on 102.3 KRMG. Tulsa's News and Talk. Overnight, the forecast is calling for clear skies with a low in the upper 70s. Tomorrow, sunny and hot with a high of around 103. Heat index values up to 112. For Monday night, a low of 80. And Tuesday, mostly sunny, a high of 103. Heat index 111. Right now in Tulsa, it's 99.