Fri Feb 21 10:40:22 PM EST 2025 Southeast St. Tammany-Northern St. Tammany- Southwestern St. Tammany- Including the cities of Slidell, Covington, Folsom, Bush, Mandeville, and Madisonville 939 PM CST Fri Feb 21 2025 .OVERNIGHT...Mostly cloudy. Lows in the mid 30s. Northeast winds around 5 mph. .SATURDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s. North winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows around 40. Light and variable winds, becoming northeast around 5 mph after midnight. Chance of rain 20 percent. .SUNDAY...Cloudy with a slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 50s. Northeast winds around 5 mph. Chance of rain 70 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers in the evening. Patchy fog. Lows in the lower 40s. Northeast winds around 5 mph. Chance of rain 50 percent. .MONDAY...Mostly sunny. Not as cool with highs in the upper 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows in the upper 40s. .WEDNESDAY...Sunny. Highs in the mid 70s. .WEDNESDAY NIGHT...Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent. .THURSDAY...Mostly sunny. Highs around 70. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s.