| NWS Forecast for: St. Clair County Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 858 AM EDT Thu Jul 2 2026 |  |
Rest Of Today: Mostly sunny late in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. West winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. Heat index readings 100 to 105. Tonight: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. West winds up to 10 mph. Chance of rain 20 percent. Friday: Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Heat index readings 99 to 104. Friday Night: Showers likely and a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. West winds up to 5 mph. Gusts up to 20 mph in the evening. Chance of rain 70 percent. Independence Day: Mostly cloudy with a chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. Highs in the mid 80s. North winds up to 10 mph. Chance of rain 70 percent. Heat index readings heat index values up to 90. Saturday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 60 percent. Sunday: Mostly cloudy. A chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent. Sunday Night: Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 30 percent. Monday: Partly cloudy. Highs in the lower 80s. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Tuesday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Wednesday: Partly cloudy. Highs in the lower 80s. | |
| Zone Forecast: St. Clair County | |
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