TANGIPAHOA-WASHINGTON-ST. TAMMANY-PEARL RIVER- INCLUDING THE CITIES OF...HAMMOND...PONCHATOULA...BOGALUSA... FRANKLINTON...SLIDELL...MANDEVILLE...COVINGTON...LACOMBE... PICAYUNE 337 PM CDT SUN MAR 21 2010 .TONIGHT...MOSTLY CLOUDY. ISOLATED SPRINKLES IN THE EVENING. LOWS IN THE MID 30S. WEST WINDS 5 TO 15 MPH. .MONDAY...PARTLY CLOUDY. HIGHS IN THE UPPER 50S. WEST WINDS 10 TO 15 MPH. .MONDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS TO 10 MPH. .TUESDAY...WARMER...SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS TO 10 MPH. .TUESDAY NIGHT...CLEAR. LOWS IN THE MID 40S. SOUTH WINDS TO 5 MPH. .WEDNESDAY...SUNNY. HIGHS IN THE MID 70S. .WEDNESDAY NIGHT...CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY. LOWS IN THE UPPER 40S. .THURSDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS. HIGHS IN THE LOWER 70S. .THURSDAY NIGHT...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. .FRIDAY...PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS. HIGHS IN THE LOWER 70S. .FRIDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 50. .SATURDAY...SUNNY. HIGHS IN THE LOWER 70S. .SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 50S. .SUNDAY...PARTLY CLOUDY. HIGHS IN THE MID 70S.