FPUS44 KTSA 200900 City Forecast for Tulsa, OK Issued Thursday morning - Oct 20, 2005 .Thursday... Mostly cloudy, high 63, 5% chance of precipitation. .Thursday night... Low 52, 0% chance of precipitation. .Friday... Partly cloudy, high 68, 5% chance of precipitation. .Friday night... Low 46. .Saturday... High 68.