St. Charles- Including the cities of Destrehan and Norco 1126 AM CST Thu Jan 15 2026 .THIS AFTERNOON...Sunny, cooler with highs in the lower 50s. Northwest winds 10 to 15 mph. .TONIGHT...Clear. Areas of frost after midnight. Lows in the upper 30s. West winds around 5 mph, becoming south after midnight. .FRIDAY...Sunny. Not as cool with highs in the upper 60s. South winds 10 to 15 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Not as cool with lows around 50. Southwest winds 5 to 10 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain 20 percent. .SATURDAY...Partly sunny. Cooler with highs in the mid 50s. North winds 10 to 15 mph. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of rain showers. A chance of snow showers after midnight. Much cooler with lows in the mid 30s. Chance of precipitation 40 percent. .SUNDAY...Sunny. Highs in the upper 40s. .SUNDAY NIGHT...Clear. Widespread frost after midnight. Lows in the mid 30s. .MARTIN LUTHER KING JR DAY...Sunny. Not as cool with highs in the upper 50s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 30s. Highs in the lower 50s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. .WEDNESDAY...Partly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Not as cool with highs in the mid 60s. Chance of rain 20 percent.