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: 824 PM EDT Sat Jul 18 2026




Rest Of Tonight: Partly cloudy late in the evening then clearing. Smoke. Lows around 60. North winds 5 to 15 mph. Gusts up to 30 mph in the late evening and early morning.

Sunday: Smoke in the morning. Mostly sunny. Highs in the mid 70s. North winds 5 to 10 mph.

Sunday Night: Mostly clear. Lows in the mid 50s. East winds up to 5 mph, becoming south after midnight.

Monday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. South winds 5 to 15 mph with gusts up to 25 mph.

Monday Night: A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. South winds 5 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent.

Tuesday: Showers and a chance of thunderstorms. Highs in the lower 80s. Chance of rain 80 percent.

Tuesday Night: Partly cloudy in the evening then clearing. Lows in the upper 50s.

Wednesday: Partly cloudy. Highs in the lower 70s.

Wednesday Night: Partly cloudy in the evening then clearing. Lows in the lower 50s.

Thursday: Sunny. Highs in the upper 70s.

Thursday Night: Mostly clear. Lows in the upper 50s.

Friday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s.

Friday Night: Partly cloudy. Lows in the lower 60s.

Saturday: Partly cloudy in the morning then clearing. Highs in the lower 80s.







Zone Forecast: St. Clair County

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