All-time weather records — Crestwood, IL

Record high
107.1°F
June 1, 1934
Record low
-25.1°F
January 20, 1985
Wettest day
6.16 in
July 12, 1957

Climate change signal in Crestwood

13.4%

of Crestwood's all-time daily heat records were set in the last decade (49 of 366 records since 2015).

2.5%

of all-time daily cold records were set in the last decade (9 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 #
1920s
3
20
1930s
39
64
1940s
37
73
1950s
64
34
1960s
25
37
1970s
30
53
1980s
34
55
1990s
36
9
2000s
26
9
2010s
41
9
2020s
31
3

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 1928, the latest in 2026. Period of observation: 1928-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 25, 1950 -25.1°F — Jan 20, 1985 2.76 in — Jan 12, 1960
February 75.0°F — Feb 27, 1976 -20.0°F — Feb 9, 1933 3.25 in — Feb 21, 1997
March 86.0°F — Mar 21, 2012 -7.1°F — Mar 8, 1943 2.50 in — Mar 19, 1948
April 91.9°F — Apr 30, 1942 10.0°F — Apr 7, 1982 3.83 in — Apr 18, 1975
May 102.0°F — May 31, 1934 28.0°F — May 12, 1981 3.95 in — May 17, 2020
June 107.1°F — Jun 1, 1934 35.1°F — Jun 4, 1945 4.64 in — Jun 13, 1976
July 106.0°F — Jul 13, 1995 46.0°F — Jul 5, 1972 6.16 in — Jul 12, 1957
August 102.0°F — Aug 2, 1991 43.0°F — Aug 29, 1965 4.53 in — Aug 22, 2014
September 100.9°F — Sep 1, 1953 28.9°F — Sep 28, 1942 4.16 in — Sep 11, 2000
October 93.9°F — Oct 6, 1963 19.9°F — Oct 18, 1948 5.11 in — Oct 14, 2017
November 81.0°F — Nov 1, 1950 -2.9°F — Nov 28, 1930 3.49 in — Nov 10, 1995
December 72.0°F — Dec 3, 2012 -20.0°F — Dec 24, 1983 2.78 in — Dec 2, 1982

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