7-Day Zone Forecast for St. Clair County (Text-Only)
NWS Forecast for: St. Clair County
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 356 AM EST Sat Feb 21 2026




Today: Mostly cloudy. Highs in the upper 30s. West winds 5 to 15 mph.

Tonight: Cloudy with a 50 percent chance of snow. Lows in the upper 20s. West winds up to 5 mph.

Sunday: Cloudy with snow. Accumulations 1 to 2 inches. Highs in the mid 30s. Northwest winds up to 15 mph. Chance of snow 80 percent.

Sunday Night: Cloudy with a 50 percent chance of snow. Lows in the lower 20s. Northwest winds 5 to 15 mph with gusts up to 30 mph.

Monday: Mostly cloudy. Near steady temperature in the lower 20s. North winds 15 to 20 mph with gusts up to 35 mph.

Monday Night: Mostly cloudy. Lows around 10 above. Wind chill readings 5 below to 5 above zero.

Tuesday: Mostly cloudy with a 40 percent chance of snow. Highs in the upper 20s. Lowest wind chill readings zero to 10 above zero in the morning.

Tuesday Night: Mostly cloudy with a 50 percent chance of snow. Near steady temperature in the lower 20s.

Wednesday: Mostly cloudy. A chance of snow in the morning, then a chance of rain and snow in the afternoon. Highs in the upper 30s. Chance of precipitation 50 percent.

Wednesday Night: Mostly cloudy with a chance of rain and snow. Lows in the lower 20s. Chance of precipitation 50 percent.

Thursday: Mostly cloudy with a chance of rain and snow in the morning, then partly cloudy in the afternoon. Highs in the lower 30s. Chance of precipitation 30 percent.

Thursday Night: Partly cloudy. Lows around 20.

Friday: Partly cloudy. Highs around 40.







Zone Forecast: St. Clair County

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