| NWS Forecast for: Sanilac County Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 352 PM EDT Sat Jul 11 2026 |  |
| Tonight: Clear. Lows in the lower 60s. Northeast winds up to 10 mph. Sunday: Sunny. Highs in the mid 80s. East winds up to 5 mph. Sunday Night: Clear. Lows in the lower 60s. South winds up to 5 mph, becoming southwest after midnight. Monday: Sunny. Highs in the lower 90s. Southwest winds up to 10 mph. Heat index readings in the mid 90s. Monday Night: Mostly clear. Lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Tuesday: Mostly sunny. Highs in the upper 90s. Highest heat index readings heat index values up to 110 in the afternoon. Tuesday Night: Mostly clear. Lows in the lower 70s. Wednesday: Mostly sunny. Highs around 90. Wednesday Night: Mostly clear. Lows in the mid 60s. Thursday: Partly cloudy in the morning then clearing. Highs in the mid 80s. Thursday Night: Partly cloudy. Lows in the mid 60s. Friday: Partly cloudy. Highs in the mid 80s. Friday Night: Mostly clear in the evening, then becoming partly cloudy. A 40 percent chance of showers. Lows in the mid 60s. Saturday: Partly cloudy with a 40 percent chance of showers. Highs in the mid 80s. | |
| Zone Forecast: Sanilac County | |
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