All-time weather records — Hillcrest, IL

Record high
100.9°F
June 26, 1988
Record low
-33.0°F
January 19, 1985
Wettest day
8.25 in
August 13, 1987

Climate change signal in Hillcrest

7.4%

of Hillcrest's all-time daily heat records were set in the last decade (27 of 366 records since 2015).

9.3%

of all-time daily cold records were set in the last decade (34 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1970s
9
34
1980s
113
126
1990s
89
91
2000s
80
54
2010s
75
61

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1978, the latest in 2018. Period of observation: 1978-2019.

Records by month

Month Hottest day Coldest day Wettest day
January 62.1°F — Jan 8, 2008 -33.0°F — Jan 19, 1985 1.70 in — Jan 27, 1997
February 69.1°F — Feb 26, 2000 -29.0°F — Feb 1, 2019 1.98 in — Feb 21, 1997
March 84.0°F — Mar 29, 1986 -14.1°F — Mar 4, 2002 1.70 in — Mar 8, 2009
April 91.0°F — Apr 25, 1986 8.1°F — Apr 6, 1982 3.85 in — Apr 18, 2013
May 96.1°F — May 26, 1985 25.0°F — May 4, 2005 2.88 in — May 29, 1996
June 100.9°F — Jun 26, 1988 36.0°F — Jun 22, 1992 3.43 in — Jun 16, 2015
July 100.9°F — Jul 14, 1995 45.0°F — Jul 28, 1984 5.75 in — Jul 22, 1982
August 100.0°F — Aug 18, 1988 35.1°F — Aug 27, 1986 8.25 in — Aug 13, 1987
September 93.9°F — Sep 1, 1984 24.1°F — Sep 29, 1984 3.60 in — Sep 13, 2008
October 89.1°F — Oct 4, 1997 16.0°F — Oct 30, 1988 3.22 in — Oct 18, 1998
November 77.0°F — Nov 2, 2000 1.0°F — Nov 12, 1986 2.03 in — Nov 11, 1995
December 69.1°F — Dec 4, 2012 -22.0°F — Dec 23, 1983 2.98 in — Dec 3, 1982

Click a month to see every daily record for that month in Hillcrest.