451 FPUS64 KTSA 132254 SFPOK OKZ001>077-141200- State Forecast for Oklahoma National Weather Service Tulsa OK 454 PM CST Wed Dec 13 2017 .TONIGHT...Partly cloudy. Lows upper 20s to upper 30s. .THURSDAY...Partly cloudy. A slight chance of light snow in the morning northwest. Cooler. Highs mid 40s to mid 50s. .THURSDAY NIGHT...Partly cloudy. Lows lower 20s to lower 30s. .FRIDAY...Mostly sunny. Highs upper 40s to upper 50s. .FRIDAY NIGHT...Clear. Lows upper 20s to upper 30s. .SATURDAY AND SATURDAY NIGHT...Increasing clouds, with a chance of rain showers in the evening east. Breezy. Warmer. Highs mid 50s to mid 60s. Lows mid 20s northwest to mid 40s southeast. .SUNDAY AND SUNDAY NIGHT...Decreasing clouds, with a chance of rain showers in the morning east. Highs mid 40s to upper 50s. Lows mid 20s to upper 30s. $$ 16