| NWS Forecast for: St. Clair County Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 303 AM EDT Sun Aug 30 2026 |  |
Today: Showers in the morning, then showers and a chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds up to 10 mph. Chance of rain near 100 percent. Tonight: Cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. South winds up to 5 mph. Chance of rain 50 percent. Monday: Mostly cloudy. A chance of showers in the morning. Highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 50 percent. Monday Night: Partly cloudy. Lows around 70. Southwest winds up to 10 mph. Tuesday: Partly cloudy. A chance of showers in the morning. Highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 30 percent. Heat index readings in the lower 90s. Tuesday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. Wednesday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent. Heat index readings in the lower 90s. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. Thursday: Partly cloudy. Highs in the lower 80s. Thursday Night: Partly cloudy. Lows in the lower 60s. Friday: Partly cloudy. Highs around 80. Friday Night: Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows around 60. Chance of rain 30 percent. Saturday: Mostly sunny in the morning, then becoming partly cloudy. A 40 percent chance of showers. Highs around 80. | |
| Zone Forecast: St. Clair County | |
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