Salt Lake City to Milwaukee Turbulence Forecast

SLC → MKE · 1,244 miles · ~2h 59m

What to Expect

Your flight from Salt Lake City to Milwaukee, heading east, crosses a few distinct geographic areas that can contribute to turbulence. Immediately after takeoff, you might experience some bumps as you fly over the Central Rockies; this is often due to mountain wave turbulence, caused by wind flowing over the mountains. As you leave the Rockies and enter the Great Plains, keep an eye out for clear-air turbulence (CAT), which can occur even in seemingly clear skies. Approaching Milwaukee and crossing the Upper Midwest, you're still in an area where CAT is possible. Finally, as you near Milwaukee and fly over the Great Lakes, you might encounter lake-effect turbulence, especially if there's a significant temperature difference between the lake surface and the air above. These are all common weather phenomena that pilots are trained to handle routinely.

Between Salt Lake City and Milwaukee, 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.
• Lake-Effect Turbulence: The Great Lakes produce lake-effect convection and low-level wind shear from land-water temperature contrasts.

When Is This Route Bumpiest?

For the smoothest possible flight, aim to travel during the summer or early fall. During these months, the conditions that cause mountain wave turbulence are less frequent, and clear-air turbulence tends to be milder. Winter, early spring, late fall, and early winter can be bumpier. These times of year often bring stronger winds over the Rockies, increasing mountain wave turbulence; plus, the temperature contrasts that cause lake-effect turbulence are at their peak during the colder months.

Tips for This Flight

If you're concerned about turbulence, the best time to fly this route is generally in the morning, as the atmosphere tends to be more stable then. Any turbulence you do encounter is likely to feel like driving on a slightly bumpy, but well-maintained, road. To feel more comfortable, choose a seat over the wing, as this area experiences less motion. Stay well hydrated throughout the flight, as dehydration can increase anxiety. Remember that the flight crew is there to help you feel secure; they're always monitoring conditions and prioritizing your safety.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.