Hourly Weather - Portsmouth (US-NH), United States

At a Glance The Sawgrass Fire was sparked by a lightning strike on Sunday. No homes are currently in danger. A stretch of I-75 known as Alligator Alley was briefly closed Tuesday. A massive fire in the Florida Everglades has burned 50 square miles of brush and grasslands since it started on Sunday. Officials were forced to close a stretch of Interstate 75 known as Alligator Alley Tuesday afternoon when the inferno's thick smoke , according to the South Florida...