Des Moines to Reno Turbulence Forecast

DSM → RNO · 1,373 miles · ~3h 15m

What to Expect

Your flight from Des Moines, Iowa (DSM) to Reno, Nevada (RNO) will take you west across a variety of landscapes, each with its own potential for turbulence. You'll begin over the Great Plains, where clear-air turbulence, or CAT, can sometimes occur. CAT is caused by shifts in air pressure and wind speed at higher altitudes; pilots are very familiar with it, and use instruments to detect and navigate it. As you approach the Central Rockies and then the Sierra Nevada, the air currents interacting with the mountains can create what's known as mountain wave turbulence. This is also a common phenomenon, and pilots are trained to anticipate and manage it. Remember that these are normal weather patterns, and pilots are constantly monitoring and adjusting their flight path for a safe, comfortable flight.

Between Des Moines and Reno, the flight path crosses the Central Rockies of Colorado and Utah. This area is one of the most turbulence-prone zones in the U.S., with mountain wave activity reported on more than half of winter days. Waves can propagate far downstream, meaning turbulence may begin well before or after the visible peaks.

Turbulence Factors on This Route

• Clear-Air Turbulence (CAT): The jet stream frequently meanders over the Great Plains, producing wind shear and clear-air turbulence at cruising altitudes.
• Mountain Wave Turbulence: The Central Rockies produce frequent, sometimes severe, mountain waves that can extend 100+ miles downstream.

When Is This Route Bumpiest?

For the smoothest possible flight, aim to travel during the summer, fall, or early fall months. The atmosphere tends to be more stable during these seasons, reducing the likelihood of both clear-air turbulence and mountain wave activity. Winter and early spring can be bumpier. The jet stream is stronger, and temperature differences greater, so clear-air turbulence is more common over the plains. Stronger winds flowing over the Rockies and Sierra Nevada also increase the chances of mountain wave turbulence.

Tips for This Flight

If you're concerned about turbulence, booking a morning flight often provides a smoother experience. The air tends to be calmer earlier in the day before it heats up. Any turbulence you might experience on this route will likely feel like driving on a bumpy road or the sensation of slight dips. To help stay relaxed, consider choosing a seat over the wing, as this area tends to experience less motion. Staying well-hydrated can also help you feel more comfortable. Remember that the pilots are highly skilled professionals, and they are actively working to ensure a safe and comfortable flight for everyone on board.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.