A Midwest heat wave reaches Sioux Falls, an area under an extreme heat warning

A Midwest heat wave reaches Sioux Falls, an area under an extreme heat warning

Much of southeastern South Dakota will be under an extreme heat warning for the next three days with areas reaching nearly 100 degrees or more through Wednesday, according to the National Weather Service in Sioux Falls.

The warning is expected to begin at noon Monday and continue until 10 p.m. Wednesday, with heat index values ​​reaching 115 degrees, according to the National Weather Service.

Great Plains Zoo announces early closing dates

The extreme heat has already caused places like the Great Plains Zoo to close early for the next three days.

“Attention guests: We will close at 2 p.m. on Monday (8/21), Tuesday (8/22) and Wednesday (8/23) due to extreme heat,” the zoo posted Monday morning on Facebook. “Be sure to stop by and cool off by visiting our sister organization at the Butterfly House & Aquarium! They're open from 10-4pm! Stay cool out there!”

Here's a look at what you need to know and how to stay safe.

Where are the “dangerously hot conditions?”

The warning for “dangerous hot conditions” extends from parts of northwest and west-central Iowa, into southwestern Minnesota, northeastern Nebraska, and east-central, south-central and southeastern South Dakota.

“Extreme heat and humidity will significantly increase the likelihood of heat-related illness, especially for those who work or participate in outdoor activities,” the warning said.

Extreme heat will return to the area for most of next week with high temperatures climbing into the 90s to lower 100 degrees.  Heat indexes range from Monday to Wednesday from 100 to 110 daily.

We can see record conditions

Areas in and around Sioux Falls could see temperatures drop or reach near-record levels over the next three days, records set before the 1980s, according to the National Weather Service.

The average temperature this time of year is 82 degrees in Sioux Falls. But on Monday, the city is expected to see a temperature of 96 degrees. The last time the temperature reached a record high was August 21, 1968, at 98 degrees, according to the National Weather Service.

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