7-Day Zone Forecast for Sanilac County (Text-Only)
NWS Forecast for: Sanilac County
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 312 AM EDT Mon Jun 29 2026




Today: Mostly cloudy. Highs in the upper 80s. Southeast winds 5 to 15 mph with gusts up to 25 mph. Heat index readings in the lower 90s.

Tonight: Partly cloudy in the evening then clearing. Lows in the lower 70s. South winds 5 to 15 mph with gusts up to 25 mph.

Tuesday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Highest heat index readings 108 to 110 in the afternoon.

Tuesday Night: Mostly clear. Lows in the mid 70s. Southwest winds 5 to 15 mph with gusts up to 25 mph.

Wednesday: Mostly sunny. Highs in the upper 90s. West winds 10 to 15 mph with gusts up to 30 mph. Highest heat index readings 108 to 111 in the afternoon.

Wednesday Night: Mostly clear. Lows in the lower 70s.

Thursday: Mostly sunny. Highs in the upper 90s. Highest heat index readings heat index values up to 110 in the afternoon.

Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s.

Friday: Partly cloudy with a chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent. Heat index readings in the upper 90s.

Friday Night: Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Independence Day: Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent. Heat index readings heat index values up to 90.

Saturday Night: Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent.

Sunday: Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.







Zone Forecast: Sanilac County

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