Cooler with lower humidity this week, storm threat possible on Friday

Comfortable air is back for now but Storm Watch Team Rich Von Ohlen says there will be a late-week rain threat.
He says it will remain mostly dry until Friday when showers will develop, as well as the chance for a thunderstorm, especially late.  
TUESDAY:  Early clouds and sprinkles giving way to breaks of sun. Cooler with highs around 68. Lows near 52.
WEDNESDAY: Partly sunny to mostly cloudy. Dry. Highs around 69. Lows around 55. 
THURSDAY:   Mainly cloudy.  Bit more humid.  Highs around 70. Lows around 62. 
FRIDAY: Cloudy with showers likely.  Chance of a thunderstorm late.  Highs around 76. Lows around 59.
SATURDAY:   Mostly cloudy with a few showers.  Highs around 72. Lows around 61. 
SUNDAY: Mostly cloudy and breezy. Perhaps some showers.  Highs around 73.  Lows around 57. 
MONDAY: MEMORIAL DAY - Variably cloudy, breezy.   Still a chance of showers.  High:  75.