Multiple realities(covers information from several alternate timelines)
A Weather Report was a forecast of the weather.
A weather report, heard on the radio in the High Sierras in 1967, noted that the temperature in downtown Barstow was 75 degrees. (VOY: "Future's End")
In 2151, while dealing with an away team stranded on the planet that would later become known as Archer IV, Jonathan Archer requested a weather report. (ENT: "Strange New World")
In an alternate reality, one of the news feeds on admiral Alexander Marcus' wall display showed a 2 News Earth Sector 2 news report. (Star Trek Into Darkness, production art)
In 2374, B'Elanna Torres complained that Vorik delivered a particularly dire engineering assessment as if it was a weather report. (VOY: "Demon")
That same year, but in a holographic simulation of World War II set in 1944, a British radio broadcast that masqueraded as a weather report actually provided important information to the French Resistance. (VOY: "The Killing Game")