For #Chicago, this was only the 5th time since 1884 that 80°+ was followed by a day of snow. The other four:

• May 17 (85°) May 18 (trace) 1894
• Apr 18 (80°) Apr 19 (trace) 1914
• May 23 (86°) May 24 (trace) 1925
• Apr 20 (82°) Apr 21 (trace) 1936

#ILwx #GeeWhiz

Also for #Chicago, this most recent instance had accumulating snow on Monday, April 17, just two days after 80°+. Only one other time since 1884 has Chicago seen accumulating snow within two days of 80s. That was:

April 12 (80°) April 14 (1.4 in. of snow) 2014

#ILwx #GeeWhiz

As for #Rockford, this was only the second time since 1905 that 80°+ was immediately followed by snow, with the other time being Rockford's latest snow on record:

May 23 (88°) May 24 (trace) 1925

#ILwx #GeeWhiz

This most recent episode for #Rockford was the FIRST time in its period of record where accumulating snow happened the day after an 80°+ temperature! Wow! #VeryGeeWhiz

More on this here: https://nwschat.weather.gov/p.php?pi…

#ILwx #GeeWhiz