497 FPUS64 KTSA 232250 SFPOK OKZ001>077-240000- STATE FORECAST FOR OKLAHOMA NATIONAL WEATHER SERVICE TULSA OK 450 PM CST SUN MAR 23 2003 .TONIGHT...MOSTLY CLEAR. LOWS 45 TO 55. .MONDAY...PARTLY TO MOSTLY SUNNY. HIGHS THE LOWER 70S TO LOWER 80S. .MONDAY NIGHT...INCREASING CLOUDS WITH A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS MID 30S PANHANDLE TO THE UPPER 50S EXTREME SOUTHEAST. .TUESDAY...A CHANCE OF SHOWERS AND THUNDERSTORMS...EXCEPT DRY IN THE PANHANDLE. HIGHS IN THE 60S AND 70S. .EXTENDED FORECAST... .WEDNESDAY...PARTLY CLOUDY. LOWS LOWER 30S TO LOWER 40S. HIGHS IN THE 60S. .THURSDAY AND FRIDAY...A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS UPPER 30S TO UPPER 40S...UPPER 20S FRIDAY MORNING IN THE PANHANDLE. HIGHS 65 TO 75 THURSDAY...40S AND 50S FRIDAY. $$