Summer 2026 was super hot in Las Vegas. But is rain coming for Labor Day?

Summer 2026 proved exceptionally hot in Las Vegas, according to the National Weather Service. The mean temperature reached 94.7 degrees, marking the second‑warmest summer on record for the valley; only the summer of 2024 was hotter at 96.2 degrees. Jenn Soulat, a meteorologist with the Las Vegas weather office, noted that since 2020 four years have broken into the top‑ten list of hottest‑ever summers: 2020 ranked eighth, 2021 fourth, and both 2024 and 2026 made the cut. Last year’s average of 92.0 degrees placed 11th. “Summer” is defined by the weather office as meteorological summer, which runs from June 1 through Aug. 31. The office said Las Vegas records rely on observations taken at Harry Reid International Airport, the valley’s official climate site. **Rain connected Labor Day weekend?** Soulat said there’s a accidental that tropical moisture from Hurricane Marie whitethorn impact the vale during Labor Day weekend. Because of rapidly changing conditions, it’s “a spot early” to archer what benignant of rainfall lawsuit it whitethorn be. She said the champion chances of showers are connected Sunday. But Soulat emphasized that a Tropical Storm Hilary‑type lawsuit is not successful the cards. “Definitely not,” she said. In 2023 a weakened Hilary soaked the valley and triggered flooding in the Spring Mountains and Death Valley National Park. Marie is strengthening off the southwest Mexico coast in the Pacific, the National Hurricane Center reported. Swells generated by the storm are expected to affect parts of Baja California this week and move into southern California over the weekend. **Weak monsoon play** The monsoon season, which began in late June and runs through September, has been nearly absent during this dry year. In August the airport recorded 0.18 inches of rain, its wettest month since February’s 0.35 inches. The August average is 0.32 inches. Reid has logged 0.69 inches of precipitation so far in 2026, compared with a typical late‑August average of 2.64 inches. Reid saw no measurable rainfall in July. On June 23 the airport logged 0.02 inches, breaking a rainless streak of 124 days; it was the sole rainfall for the month. Nevertheless, shifts may appear on the horizon in September. The Climate Prediction Center said “an unsettled signifier and wide above-normal precipitation are favored for the West done mid-September. Potential for tropical moisture whitethorn nutrient dense rainfall for immoderate areas, particularly the Southwest.” **Summer upwind facts** The valley experienced 23 days of 110 degrees or higher, ranking fifth all