April 26 update: Powerful blanket of CO2 finally warms Fargo to 50 degrees F, only nine days later than the previous record latest date from 1881

Awful April: Spring hard to find across northern USA - USA TODAY

International Falls, Minn., recorded a low of just 4 degrees April 20. In records dating to 1897, it had never been this cold before this late in April.

•Baton Rouge: The low temperature bottomed out at 39 degrees on the morning of April 20. This was the lowest temperature ever recorded this far into the spring season.
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•Amarillo, Texas: The low temperature dropped to 21 degrees on April 24. This is the coldest Amarillo has been this late in the season in records dating to 1892.

•Fargo, N.D.: The first 50-degree or higher temperature reading of the year occurred April 26. Previously, since 1881, Fargo had never had to wait past April 17 to get at least one 50-degree day.