San Bernardino County, CA

Las Vegas Outlook weather graphic issued by the National Weather Service on Monday, September 14, 2026. The image shows a dark background on the left with text and a temperature forecast line graph, alongside a photo of red rock formations under a cloudy sky on the right. The forecast section lists high temperatures for Las Vegas: Monday 100 degrees, Tuesday 99 degrees, Wednesday 97 degrees, Thursday 96 degrees, and Friday 97 degrees. Text summarizes the forecast: Above normal temperatures will continue, with a cooling trend through midweek. Breezy southerly to southwesterly winds can be expected each day, with mainly dry conditions. Areawide highlights list three main points: Above normal temperatures continue. Southerly to southwesterly winds will be gusty at times. Isolated afternoon thunderstorms possible, mainly over portions of Mohave County. The National Weather Service logo and website weather.gov/lasvegas appear in the lower right corner.

Map of forecast high temperatures for Southern California for Tuesday Sep 15, 2026. For the coastal areas: 73 to 79, western valleys and inland Orange County: 78 to 84, inland valleys: 81 to 87, mountains between 4000 ft and 7000 ft: 71 to 82, high desert: 85 to 93, low desert: 98 to 102.

Thunderstorm outlook graphic with a map showing the probability of precipitation for this afternoon/evening (on the bottom left), a second one showing Tuesday (bottom middle), and a third showing Wednesday (bottom right). Additional details and impacts are provided above the maps.