Western New York is below average with rainfall by more than an inch and a half.
Average rain since March 1st in Buffalo should be at 7.89" but rain received so far is at 6.17". Average rain for May at this point should be at 2.01" but rain received so far is at 1.19".
There's a chance of afternoon rain and thunderstorms Monday mainly inland. Greater chance for much needed widespread rain comes Monday night through Thursday.
Dry, less humid, and cooler conditions on Friday into the weekend.