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: 404 AM EDT Thu Oct 1 2026
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Today: Showers likely in the morning, then a chance of showers early in the afternoon. Showers likely in the late afternoon. Highs in the mid 70s. Southwest winds 5 to 15 mph. Chance of rain 70 percent.

Tonight: Showers. Lows in the lower 50s. Northwest winds up to 10 mph. Chance of rain near 100 percent.

Friday: Cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. Northwest winds 5 to 15 mph.

Friday Night: Mostly clear. Lows in the lower 40s. North winds up to 5 mph.

Saturday: Mostly sunny. Highs in the mid 60s. North winds up to 5 mph, becoming east in the afternoon.

Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.

Sunday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 60s.

Sunday Night: Partly cloudy in the evening then clearing. Lows in the lower 40s.

Monday: Mostly sunny. Highs around 60.

Monday Night: Mostly clear. Lows in the mid 30s.

Tuesday: Mostly sunny. Highs around 60.

Tuesday Night: Mostly clear. Lows in the lower 40s.

Wednesday: Partly cloudy. Highs in the mid 60s.







Zone Forecast: St. Clair County

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