Spokane to Memphis Turbulence Forecast

GEG → MEM · 1,660 miles · ~3h 49m

What to Expect

The Spokane to Memphis flight covers a variety of terrain, meaning it encounters several common types of turbulence. Expect some bumps as you cross the Northern Rockies; these are caused by mountain wave turbulence, where air flows over the mountains. Once over the Great Plains, you might experience clear-air turbulence (CAT), which is often unexpected but generally light. Later in the flight, as you enter Tornado Alley and pass over the Ozark Plateau, the Mississippi Valley, and the Southeast Interior, convective turbulence is possible, especially if there are thunderstorms. It's important to remember that pilots are trained to navigate these conditions, using radar and reports from other aircraft to find the smoothest possible path. Turbulence is a normal part of flying, and your crew is well-prepared to handle it.

The Spokane to Memphis 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

• Mountain Wave Turbulence: The Northern Rockies generate powerful lee waves when Pacific fronts drive westerly flow across the high terrain.
• Clear-Air Turbulence (CAT): The jet stream frequently meanders over the Great Plains, producing wind shear and clear-air turbulence at cruising altitudes.
• Severe Convective Turbulence: Tornado Alley supercells produce some of the most intense convective turbulence in North American aviation.

When Is This Route Bumpiest?

The summer months offer the best chance for a smoother flight on this route, as severe weather patterns tend to be less frequent. Fall and winter are also generally good. The bumpier times are late fall, winter, spring, early spring, early summer, and summer, particularly when convective activity is high over Tornado Alley, the Ozark Plateau, the Mississippi Valley, and the Southeast Interior. Mountain wave turbulence in the Rockies is a potential issue throughout the colder months. So, planning your trip for the summer can minimize your chances of a turbulent flight, though there's never a guarantee.

Tips for This Flight

If you're concerned about turbulence, booking a morning flight often helps because the air is typically calmer before daytime heating creates more convective activity, especially over Tornado Alley. Any turbulence you encounter on this route will likely feel like driving on a bumpy road or a series of gentle thumps. For added comfort, choose a seat over the wing, as it's closer to the plane's center of gravity and experiences less motion. Remember to stay hydrated and practice deep, slow breathing. Your flight crew is there to support you, so don't hesitate to ask questions or voice any concerns.

Get Your Forecast

Related Routes

See all routes from Spokane or to Memphis.

More from Spokane

More to Memphis

Forecasts based on NOAA HRRR and GFS atmospheric model data.