When you woke up in Sioux Falls this morning there was a full moon, light breeze, and 45 degrees. A beautiful late March morning right? Well, as we have learned to live with, ever-changing weather conditions in the Upper Plains are common and even with last week’s rain, the state is still experiencing dry conditions. Fires have erupted in the Rapid City area causing evacuations.

National Weather Service Sioux Falls

And such an extreme variation in temps. At the time of posting this article Buffalo, South Dakota was reporting a temperature of 44 while Mitchell had just reached 80 degrees. But that won't be lasting long as a major cold front will be moving through the southeastern part of the state beginning tonight.

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From a clear sunshine day to freezing temps by tomorrow morning. According to the National Weather Service (NWS), we could see a 50-degree drop. And we will still be dealing with the strong winds.

And how early in the year have we reached temps like we are seeing today? Just look over the list below from the NWS.

National Weather Service

Hope you haven't taken your winter coat to the dry cleaners yet. You may want it for Tuesday.

LOOK: Stunning vintage photos capture the beauty of America's national parks

Today these parks are located throughout the country in 25 states and the U.S. Virgin Islands. The land encompassing them was either purchased or donated, though much of it had been inhabited by native people for thousands of years before the founding of the United States. These areas are protected and revered as educational resources about the natural world, and as spaces for exploration.

Keep scrolling for 50 vintage photos that show the beauty of America's national parks.