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5 Cold Facts About Iowa Winter Weather

September 15, 2021
5 Cold Facts About Iowa Winter Weather
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Businesses know the troubles that the Iowa winter can cause for workers and customers. Snowstorms and heavy winds make it hard to keep your doors open or to go about your daily business, making winter planning extremely important for business owners and workers everywhere.

At Earth Development, we help businesses throughout Des Moines and beyond prepare for that weather – and it all starts with offering valuable information right here on our site. Today, we’ll look at five facts about Iowa’s winter weather that will help you prepare.

Coldest Temperature

Iowa gets cold. The state has seen temperatures fall as far as 47 degrees below zero, and it has happened twice since the beginning of the 20th century. First in Washta on January 12, 1912, and then again on January 6, 1996.

The temperature hasn’t been quite that cold since, but you can expect the coldest temperatures overall during the month of January.

Iowa Winter Weather Facts

Iowa Tornadoes

Iowa is also known for its tornadoes. Typically, these tornadoes gather wind speeds between 100 and 500 miles per hour, but they may only last a matter of minutes and travel a number of miles.

Tornadoes usually move at a speed of 35 miles per hour, meaning people can easily escape them, but they can cause a lot of damage when they do occur.

There have been more than 1,169 tornadoes since 1803 according to the official record, and 25 of those were classified as “outstanding” tornadoes that caused significant destruction.

You should always be aware of the possibility of these tornadoes causing disruption in Iowa, and have contingencies in place during the winter to handle the additional supply chain or worker disruption they may cause.

Iowa Blizzards

A blizzard is a snowstorm that sees winds exceed 35mph and last for a prolonged period, usually at least a few hours. Iowa sees its fair share of blizzards in Iowa. There are many serious historical examples, but they continue to cause disruption in the state to this day.

There have been at least 16 “outstanding” blizzards in Iowa to date, with the first one recorded occurring in 1856 in December, with around 18 inches of snow falling overnight.

Blizzards should be expected virtually every winter in Iowa, as the state is located right in the center of the so-called “blizzard belt.”

Maximum Temperature Change

Facts Iowa Winter Weather

As well as seeing extreme cold temperatures, Iowa also often experiences dramatic changes in temperatures.

The record shows that the most recent significant temperature change in a single 24-hour period took place in 2013 on December 28 in Sioux City. After reaching 62 degrees that day, temperatures plummeted to -3 degrees the next day.

Polar Vortex 2021-2022

The term “polar vortex” refers to a region of low pressure and cold air. The swirling cold air moves from the North Pole southwards during the winter, and this cold air often leads to outbreaks of extremely cold temperature and bad weather.

In 2019, the polar vortex in Iowa caused record-breaking temperatures and weather thanks to the polar vortex. They saw the coldest-ever January 30 temperatures in the city of Des Moines, with temperatures reaching as low as -29 degrees further north.

In 2021-2022, it’s entirely possible we’ll experience similarly cold temperatures.

Be Prepared for Winter with Earth Development

Earth Development ensures you are fully prepared for everything the Iowa winter has to throw at you.

Great online resources are just the start. Our teams of local snow removal professionals are dotted throughout Iowa, working with businesses that need regular and reliable snow removal services before, during, and after bad winter weather.

For a free quote and consultation, and to learn more about how we can help your doors open this winter, call today!

Let Us Help You
The amount of snow Minnesota gets each winter fluctuates, but it’s typically safe to expect a consistent amount throughout the winter months. Last year, did you have enough space on your property to store plowed snow?