Salt Lake City to Des Moines Turbulence Forecast

SLC → DSM · 952 miles · ~2h 24m

What to Expect

Your Salt Lake City to Des Moines flight travels eastward across diverse terrain, meaning it's exposed to a couple of common turbulence patterns. Initially, you'll be flying over the Central Rockies, an area known for mountain wave turbulence. This occurs when strong winds encounter the mountains, creating wave-like air currents. Later, as you cross the Great Plains, you might experience clear-air turbulence (CAT), which is caused by colliding air masses at high altitudes. Both mountain wave turbulence and CAT are well-understood phenomena, and pilots are trained to anticipate and navigate them safely. Remember, pilots constantly monitor conditions and adjust altitude or route to minimize any discomfort.

Between Salt Lake City and Des Moines, 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

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

When Is This Route Bumpiest?

For the smoothest possible ride, aim to fly this route in the summer, early fall, or fall. During these months, the atmosphere tends to be more stable, reducing the likelihood of turbulence. Winter and early spring, however, can be bumpier. The jet stream is stronger and more erratic in the colder months, increasing the potential for both mountain wave turbulence over the Rockies and clear-air turbulence across the plains. These seasonal shifts don't guarantee a bumpy flight, but it's worth keeping in mind when booking.

Tips for This Flight

If possible, booking a morning flight often means calmer skies. Any turbulence you might encounter on this route will likely feel like driving on a road with small, frequent bumps or the sensation of a sudden dip, rather than anything severe. Choosing a seat over the wing can minimize the sensation of movement, and staying well-hydrated can help you feel more relaxed. Remember that the flight crew is there to support you, and turbulence is a normal part of flying that they're well-equipped to handle.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.