Generally, you should avoid climbingtohours after rain, depending on where you intend to climb. Sunny locations like Sunny and Steep or Stratocaster Wall will need much less time to dry when compared to places like Black Corridor Las Vegas has plenty of rainy day options, with climbing that rivals Red Rock itself. If you've found yourself in town during a rainy week, check out Irene's great writeup for what to do.Not sure why you shouldn't climb when it's wet, or want to read more on how to determine when climbing is OK? Check out SNCC's write up