248 FPUS64 KTSA 231057 SFPOK OKZ001>077-232300- STATE FORECAST FOR OKLAHOMA NATIONAL WEATHER SERVICE TULSA OK 500 AM CST SUN MAR 23 2003 .TODAY...MOSTLY SUNNY. HIGHS IN THE 70S. .TONIGHT...MOSTLY CLEAR. LOWS 45 TO 55. .MONDAY...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS NORTHWEST IN THE AFTERNOON. HIGHS IN THE LOWER 70S TO LOWER 80S. .EXTENDED FORECAST... .TUESDAY...SHOWERS AND THUNDERSTORMS LIKELY EAST. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS CENTRAL AND WEST. LOWS IN THE MID 30S PANHANDLE TO THE UPPER 50S SOUTHEAST. HIGHS IN THE MID 50S NORTHWEST TO THE UPPER 60S SOUTHEAST. .WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S TO LOWER 40S. HIGHS IN THE 60S. .THURSDAY...PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 30S TO UPPER 40S. HIGHS 65 TO 75. $$