FPUS64 KTSA 271018 SFPOK OKZ001>077-280330- State Forecast for Oklahoma National Weather Service Tulsa OK 518 AM CDT Wed Jun 27 2018 ...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING FOR EASTERN AND NORTH CENTRAL OKLAHOMA... .TODAY...Sunny and hot. Highs in the upper 90s. Heat indices 105 to 110 in the afternoon. .TONIGHT...Clear. Lows in the mid 70s. .THURSDAY...Sunny and hot. Highs in the mid to upper 90s. .THURSDAY NIGHT...Clear. Lows in the mid 70s. .FRIDAY...Sunny. Highs in the mid 90s. .FRIDAY NIGHT...Clear. Lows in the mid 70s. .SATURDAY...Mostly sunny. Highs in the mid 90s. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening north. Chance of showers and thunderstorms after midnight north. Lows in the mid 70s. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Highs in the lower 90s. .SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows in the lower 70s. Highs in the lower 90s. $$