Northern St. Tammany- Including the cities of Covington, Folsom, and Bush 731 PM CDT Sun Mar 15 2026 ...FREEZE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY MORNING... .TONIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers this evening, then showers after midnight. Much cooler with lows in the lower 40s. Southwest winds 10 to 15 mph, becoming northwest after midnight. Gusts up to 30 mph. Chance of rain 90 percent. .MONDAY...Partly sunny with a slight chance of showers in the morning, then sunny in the afternoon. Much cooler. Less humid with highs in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly cloudy. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph, becoming north around 5 mph after midnight. .TUESDAY...Sunny. Highs in the upper 50s. North winds around 5 mph. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable. .WEDNESDAY...Mostly sunny. Not as cool with highs in the upper 60s. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 70s. .THURSDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the mid 80s.