Cold Wave Coming!

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The 6pm CST temperatures are immediately below. Omaha had a high of 48°F, now down to 24 in the northern suburbs. Wichita had a high of 57°.

Here are the forecast temperatures for 6am CST Tuesday. Yes, that is a -40° (anyone know why I didn't add a C or F after the ° sign?) in northeast Minnesota!
click to enlarge; courtesy Dr. Ryan Maue
(Forty below zero is the same in either the Celsius or Fahrenheit scales.)

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