St. Louis to Salt Lake City Turbulence Forecast

STL → SLC · 1,153 miles · ~2h 48m

What to Expect

The St. Louis to Salt Lake City route presents a diverse range of potential turbulence, owing to the varied geography it crosses. The initial leg over the Mississippi Valley can sometimes bring convective turbulence, caused by rising warm air. As you head west, you'll cross Tornado Alley, where severe convective turbulence is possible, particularly during storm season. Further along, over the Great Plains, expect the possibility of clear-air turbulence (CAT), a phenomenon occurring in the absence of visible clouds. Finally, as the flight nears its destination, it will cross the Front Range and the Central Rockies, where mountain wave turbulence can occur as wind flows over the mountains. Pilots are well-versed in managing these conditions; they constantly monitor weather patterns and adjust altitude or course to ensure a safe and comfortable flight.

Flights between St. Louis and Salt Lake City pass along the Front Range, where the abrupt rise of the Colorado Rockies generates some of the strongest mountain wave turbulence in the continental U.S. Downdrafts east of the ridgeline can be intense, and rotor turbulence near the surface sometimes extends to cruising altitude during high-wind events.

Turbulence Factors on This Route

• Convective Turbulence: The Mississippi Valley is a breeding ground for squall lines and mesoscale convective systems that produce widespread turbulence.
• 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: Strong westerly winds over the Front Range create oscillating waves that can produce sustained moderate turbulence at jet cruise levels.

When Is This Route Bumpiest?

For the smoothest possible ride on this route, aim to fly in the fall. Summer can also be quite calm. Early fall offers the benefit of fewer thunderstorms across the plains. Spring and early summer tend to be the bumpiest times to fly, as this is when storm activity is at its peak in Tornado Alley, increasing the chances of convective turbulence. Winter and early spring can also bring more turbulence, especially as the jet stream strengthens and shifts, contributing to clear-air turbulence and mountain wave turbulence as air flows over the Rockies.

Tips for This Flight

If you're concerned about turbulence, booking a morning flight is often your best bet, as the atmosphere tends to be more stable earlier in the day. Any turbulence you might encounter on this route will likely feel like driving on a bumpy road or a boat gently rocking on the water. Choose a seat over the wing, as that area experiences less motion, and remember to stay hydrated to help combat any anxiety. Taking slow, deep breaths can also work wonders. Remember, the crew is there to support you, and they're experts at navigating these conditions, so try to relax and trust their expertise.

Get Your Forecast

Related Routes

See all routes from St. Louis or to Salt Lake City.

More from St. Louis

More to Salt Lake City

Forecasts based on NOAA HRRR and GFS atmospheric model data.