Chances of a White Christmas in Illinois This year, Illinois State Water Survey

ISWS Press Release

For Immediate Release December 14, 2012
Chances of a White Christmas in Illinois This year
Source:   
Editor:   
Jim Angel, Ph.D. - (217) 333-0729, jimangel@illinois.edu
Lisa Sheppard - (217) 244-7270, sheppard@illinois.edu

CHAMPAIGN, Ill. - What are the chances of a white Christmas in Illinois this year?  Historically, the highest odds are in northern Illinois, according to State Climatologist Jim Angel at the Illinois State Water Survey.

In general, the odds of a white Christmas are about 40 to 60 percent in the northern third of Illinois, 20 to 40 percent in central Illinois, and 0 to 20 percent in southern Illinois.

Fall Photo

The Christmas Day with the most snow on the ground in recorded history in Illinois was 1951. Aurora had an incredible 31 inches piled up that day from 12 days of nearly non-stop snow and temperatures below freezing.

In the U.S., the odds of a white Christmas are high (over 80 percent) in the Rocky Mountains, the upper Midwest, and the Northeast.  However, a white Christmas is rarely, if ever, seen in much of the southern half of the U.S. or along the West Coast.

“This year we are off to a slow start to the winter snow season in Illinois, thanks to December being much warmer and drier than normal,” Angel says.  “The statewide average temperature is almost 10 degrees above normal with very few places reporting any snow. However, this is Illinois and things can change in a hurry, so I would not rule out a white Christmas just yet.”

 

The Illinois State Water Survey at the University of Illinois at Urbana-Champaign, a division of the Prairie Research Institute, is the primary agency in Illinois concerned with water and atmospheric resources.

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