The state of the atmosphere at a specific time and location along State Route 431, a mountain pass connecting Reno, Nevada to Incline Village, Lake Tahoe, is highly variable and can change rapidly. These variations encompass temperature, precipitation, wind speed, visibility, and other meteorological factors. For example, a sunny morning at the base of the mountain can quickly transition to blizzard conditions at the summit.
Accurate and up-to-the-minute information about the atmospheric state along this vital transportation artery is crucial for safe travel. Sudden changes can create hazardous driving conditions, including ice, snow, and reduced visibility. Historically, this route has experienced temporary closures due to severe weather, highlighting the importance of preparedness and awareness. Access to reliable data allows travelers to make informed decisions about their journeys, potentially avoiding dangerous situations and delays.