All-time weather records — Northlake, IL

Record high
104.0°F
June 20, 1988
Record low
-27.0°F
January 20, 1985
Wettest day
6.86 in
July 23, 2011

Climate change signal in Northlake

17.5%

of Northlake's all-time daily heat records were set in the last decade (64 of 366 records since 2015).

3%

of all-time daily cold records were set in the last decade (11 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 #
1950s
6
12
1960s
46
148
1970s
53
46
1980s
71
82
1990s
51
47
2000s
41
15
2010s
59
14
2020s
39
2

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 1959, the latest in 2026. Period of observation: 1946-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 7, 2008 -27.0°F — Jan 20, 1985 2.00 in — Jan 12, 1960
February 73.9°F — Feb 27, 2024 -18.9°F — Feb 3, 1996 3.44 in — Feb 21, 1997
March 88.0°F — Mar 29, 1986 -8.0°F — Mar 1, 1962 1.84 in — Mar 30, 2017
April 91.0°F — Apr 22, 1980 7.0°F — Apr 7, 1982 3.54 in — Apr 18, 2013
May 97.0°F — May 27, 2012 24.1°F — May 10, 1966 3.53 in — May 14, 2020
June 104.0°F — Jun 20, 1988 36.0°F — Jun 11, 1972 3.97 in — Jun 19, 2009
July 104.0°F — Jul 13, 1995 39.9°F — Jul 1, 1965 6.86 in — Jul 23, 2011
August 100.9°F — Aug 2, 1991 41.0°F — Aug 15, 1964 6.49 in — Aug 14, 1987
September 99.0°F — Sep 7, 1960 28.0°F — Sep 23, 1974 6.64 in — Sep 13, 2008
October 91.0°F — Oct 6, 1963 17.1°F — Oct 24, 1981 4.25 in — Oct 10, 1969
November 78.1°F — Nov 5, 1978 1.0°F — Nov 29, 1976 2.93 in — Nov 27, 1990
December 71.1°F — Dec 2, 1982 -25.1°F — Dec 24, 1983 4.47 in — Dec 2, 1982

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