| NWS Forecast for: St. Clair County Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 358 AM EDT Tue Jun 9 2026 | |
Today: Showers and a chance of thunderstorms. Highs in the lower 80s. South winds 5 to 15 mph. Chance of rain 90 percent. Tonight: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Southwest winds up to 10 mph. Chance of rain 50 percent. Wednesday: Partly cloudy in the morning then clearing. Highs in the upper 80s. West winds 5 to 10 mph with gusts up to 20 mph. Heat index readings in the mid 90s. Wednesday Night: A chance of showers and thunderstorms in the evening, then showers likely and a chance of thunderstorms after midnight. Lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. Thursday: Partly cloudy with a chance of showers. Highs in the lower 90s. Southwest winds 5 to 15 mph. Chance of rain 30 percent. Heat index readings in the upper 90s. Thursday Night: Partly cloudy with showers likely and a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 60 percent. Friday: Partly cloudy in the morning then clearing. Highs in the mid 80s. Friday Night: Mostly clear. Lows in the upper 50s. Saturday: Mostly sunny. Highs in the lower 80s. Saturday Night: Partly cloudy. Lows in the mid 50s. Sunday: Partly cloudy with a 30 percent chance of showers. Highs in the mid 70s. Sunday Night: Partly cloudy with a 30 percent chance of showers. Lows in the lower 50s. Monday: Partly cloudy with a 30 percent chance of showers. Highs in the lower 70s. | |
| Zone Forecast: St. Clair County | |
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