Las Vegas to Spokane Turbulence Forecast

LAS → GEG · 806 miles · ~2h 7m

What to Expect

The Las Vegas to Spokane flight, heading north for about two hours, crosses some varied terrain that can contribute to turbulence. Leaving Las Vegas, your flight will pass over the Mojave and Sonoran Deserts. The sunbaked desert air rises rapidly, creating what's known as thermal turbulence, or those familiar little bumps you sometimes feel at the start of a flight. Further along, as you approach Spokane and the Northern Rockies, you might encounter mountain wave turbulence. This happens when wind flows over the mountains, creating waves in the atmosphere, a bit like water flowing over rocks in a stream. Pilots are very familiar with these patterns and use weather forecasting and onboard radar to navigate them, often adjusting altitude slightly for a smoother ride. These are normal and expected conditions on this route.

The Las Vegas to Spokane route crosses the Northern Rockies, a rugged expanse of high peaks in Montana, Idaho, and Wyoming. Mountain wave turbulence is frequent here, especially when Pacific storm systems push strong winds over the Continental Divide. Pilots often report moderate chop between 30,000 and 40,000 feet over this region.

Turbulence Factors on This Route

• Thermal Turbulence: Extreme desert heating generates strong thermal updrafts that cause low-to-mid-level turbulence, especially in summer afternoons.
• Mountain Wave Turbulence: The Northern Rockies generate powerful lee waves when Pacific fronts drive westerly flow across the high terrain.

When Is This Route Bumpiest?

The winter and fall months often offer the smoothest flights between Las Vegas and Spokane. Cooler temperatures mean less thermal activity over the deserts, and the mountain wave activity tends to be less pronounced. Summer and late fall, as well as spring, can be a bit bumpier. The desert heat intensifies thermal turbulence, and changing weather patterns in the Rockies can sometimes lead to more mountain wave activity. But remember, even during these seasons, flights are usually manageable, and pilots are always working to ensure a comfortable journey.

Tips for This Flight

If you're concerned about turbulence, booking a morning flight can often lead to a smoother experience, as the air tends to be calmer before it heats up. Any turbulence you might experience on this route is likely to feel like driving over small potholes in a car, rather than anything dramatic. For extra comfort, consider choosing a seat over the wing, as this area tends to experience less motion. Staying hydrated can also help you feel more relaxed, so be sure to drink plenty of water before and during your flight. Remember, the flight crew is there to support you, and turbulence is a normal part of flying.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.