Fri Feb 21 03:59:25 PM EST 2025 St. Clair- Including the city of Port Huron 359 PM EST Fri Feb 21 2025 .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 14. Southwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Highs in the upper 20s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 19. Southwest winds up to 10 mph. .SUNDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of snow in the afternoon. Highs in the lower 30s. Southwest winds up to 10 mph. Chance of snow 20 percent. .SUNDAY NIGHT...Cloudy. A slight chance of snow after midnight. Near steady temperature in the upper 20s. South winds 5 to 15 mph. Chance of snow 20 percent. .MONDAY...Cloudy. A chance of rain and snow in the morning, then a slight chance of rain in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent. .MONDAY NIGHT...Cloudy with a 30 percent chance of rain. Lows in the mid 30s. .TUESDAY...Cloudy with a 30 percent chance of rain. Highs in the upper 30s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .WEDNESDAY...Mostly cloudy. A chance of rain in the afternoon. Highs in the upper 30s. Chance of rain 40 percent. .WEDNESDAY NIGHT...Cloudy with a chance of rain. A chance of light freezing rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 50 percent. .THURSDAY...A chance of light freezing rain in the morning. Cloudy with a chance of snow, possibly mixed with rain. Near steady temperature around 30. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy. Lows around 20. .FRIDAY...Mostly cloudy. Highs in the lower 30s.