| NWS Forecast for: St. Clair County Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 600 PM EDT Tue May 19 2026 | |
Tonight: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers. Lows in the upper 40s. West winds 5 to 15 mph, becoming north. Chance of rain 30 percent. Wednesday: Mostly cloudy. Highs in the upper 50s. North winds 5 to 15 mph with gusts up to 25 mph. Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Thursday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 50s. Northeast winds 5 to 15 mph. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Friday: Cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 50 percent. Friday Night: Showers. Lows around 50. Chance of rain 80 percent. Saturday: Cloudy. Showers likely in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 70 percent. Saturday Night: Cloudy. A chance of showers. Lows in the lower 50s. Chance of rain 30 percent. Sunday: Mostly cloudy with a 40 percent chance of showers. Highs in the lower 70s. Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Memorial Day: Partly cloudy. Highs in the lower 70s. Monday Night: Partly cloudy. Lows in the mid 50s. Tuesday: Mostly cloudy. Highs in the mid 70s. | |
| Zone Forecast: St. Clair County | |
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