Weather Blog Petit Saut Reservoir A dam along the Sinnamary River created this artificial lake in northern French Guiana. Read More… About Author See author's posts Post navigation Previous Newest London weather map shows temperatures dropping to 4C in cold blastNext Why London could actually get colder from climate change, not hotter Related Stories Colonial National Historical Park Weather Blog Colonial National Historical Park July 2, 2026 Minute Man National Historical Park Weather Blog Minute Man National Historical Park July 1, 2026 A Most “Pleasantly Situated” Estate Weather Blog A Most “Pleasantly Situated” Estate June 30, 2026