Today is mainly cloudy with just a few peeks of sun possible. An east breeze at 10 mph will keep temperatures much cooler than average, only in the low to mid 70s today. A stray shower is expected this evening, with a chance for shadier rain in Nassau county this afternoon.

The wind shifts south tonight with a warm front and along with it comes a chance for heavy rain and thunderstorms. Temperatures are near 70-degrees tonight into Thursday morning with a muggy feel to the day on Thursday with on and off storms.

Thursday afternoon is very humid with temperatures in the mid 80s and a heat index near 90-degrees. The chance for rain decreases after 2 p.m. and the evening will likely be dry.

Temperatures are warm on Friday, in the 80s. It's less hot for Labor Day weekend with highs generally in the 70s and overnight lows near 60-degrees. A stray shower is expected on Saturday night, but otherwise the holiday weekend will likely be dry.

Here is a look at the hour-by-hour weather conditions projected for Long Island through midweek.