Sanilac- Including the city of Sandusky 400 PM EDT Sun Jun 22 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... .TONIGHT...Clear. Lows in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. .MONDAY...Sunny. Highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Heat index readings 99 to 104. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. .TUESDAY...A chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. Highs in the mid 80s. Temperatures falling into the in the mid 70s in the afternoon. Northwest winds 5 to 10 mph, becoming north in the afternoon. Chance of rain 60 percent. Heat index readings in the lower 90s. .TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the upper 50s. Northeast winds up to 10 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent. .THURSDAY...Partly cloudy with showers likely and a chance of thunderstorms. Highs in the lower 80s. Chance of rain 60 percent. .THURSDAY NIGHT...Showers likely and a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent. .FRIDAY...Partly 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 60 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the lower 60s. Chance of rain 40 percent. .SATURDAY...Partly cloudy. Highs around 80. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SUNDAY...Partly cloudy with a chance of showers. Highs in the mid 80s. Chance of rain 30 percent. $$