Are there any noticeable symptoms of diverticulitis?

Yes. Pain (typically in the left lower abdomen), fever, bloating, and a change in bowel habits are common. The symptoms vary with the severity of the inflammation present but require medical evaluation to help determine if hospitalization, or even emergency surgery, is necessary.
Yes. Generally the symptoms of diverticulitis are left lower abdominal pain, fever, and bloating...It can also be associated with either diarrhea or constipation. If you have fever or abdominal pain, you should be evaluated as soon as possible, as diverticulitis is due to perforation of the colon, and can lead to serious complications if left untreated.