Tyler Watson took this photo of downtown Portland from 148 Middle St.

Staff Photographer Whitney Hayward captured this image of a wall of clouds from Casco Bay Bridge.

Scott Paradis submitted this photo of storm clouds rolling onto Presumpscot Street in Portland on Tuesday.

Katie Clark shot this picture from the fifth floor of Diversified Communications, looking toward the Time and Temperature building in downtown Portland.

Sharon Bearor stuck with clouds only in this photo she took from her Presumpscot Street, Portland, office.

Staff Photographer Yoon S. Byun shot a view of Portland Harbor from One City Center in Portland as birds fleck the cloud-shrouded sky Tuesday.

Catherine Adams took this picture from an office window in West Falmouth on Tuesday afternoon.

Britt Holmstrom-Salisbury submitted this photo of thunderclouds gathering in Benton Falls.

Staff Writer Noel Gallagher took a photo of hail pelting down in Portland.

Staff Writer Noel Gallagher took this photo of Kate and Dan Gallagher holding hail that fell on Portland today.

Reader Carleen Kopper placed a quarter next to hail to give a perspective on its size Tuesday.

Kate Fisher took a photo of her deck in Portland being covered by hail.

Amy Sturgeon shot a photo of a rainbow in South Portland.