Mamou 5 Day Forecast by AccuWeather Mamou 7-day Forecast by The Weather Channel Click here for an animated weather map. Southeast radar - Animated KATC Weather KLFY Weather Current KLFY Static Image Current Weather & Forecasts by the National Weather Service in Lake Charles National Data Buoy Center - Buoy # 42001 (25.92 N 89.68 W) National Data Buoy Center - Buoy # 42002 (25.17 N 94.42 W) National Data Buoy Center - Buoy # 42003 (25.88 N 85.95 W) National Data Buoy Center - Buoy # 42041 (27.50 N 90.50 W)