Expect an increase in showers and storms Saturday afternoon through Sunday. These storms will be slow moving and may produce heavy rainfall. You have about an 80 percent chance to see at least one shower during the next couple of days as an upper-level storm system slowly moves over the area. Localized flooding is possible where storms stall out. A few gusty winds from storms are possible. Starting Monday humidity and temperatures are expected to be on the rise with triple digit heat index values expected during the afternoon with a chance of showers and storms each afternoon and evening as well.