UNDATED  (AP) — Many Midwesterners hope for a January thaw, when the temperatures briefly inch above freezing.

But this winter, some are wondering if the thaw will ever end.

Temperatures have been higher than average for most of the winter, and in the past week they soared into the 50s and record-setting 60s in parts of Minnesota, Iowa and Nebraska.

Although the spring-like temperatures are pleasant, Iowa climatologist Harry Hillaker says weather more common to the Upper Midwest could be on its way.

Hillaker says history indicates that a warm December and January are often followed by a colder-than-average February and March.

(Copyright 2012 by The Associated Press.  All Rights Reserved)

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