All-time weather records — Gladstone, IL

Record high
105.1°F
July 1, 1938
Record low
-26.0°F
January 16, 2009
Wettest day
5.52 in
July 5, 1948

Climate change signal in Gladstone

26%

of Gladstone's all-time daily heat records were set in the last decade (95 of 366 records since 2015).

21%

of all-time daily cold records were set in the last decade (77 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 #
1930s
22
3
1940s
69
124
1950s
·
·
1960s
2
5
1970s
1
14
1980s
·
·
1990s
52
65
2000s
69
48
2010s
90
74
2020s
61
33

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 1938, the latest in 2026. Period of observation: 1938-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 3, 2004 -26.0°F — Jan 16, 2009 1.85 in — Jan 23, 1938
February 77.0°F — Feb 28, 2024 -26.0°F — Feb 4, 1996 2.00 in — Feb 21, 1997
March 84.0°F — Mar 31, 2026 -8.0°F — Mar 11, 1948 3.35 in — Mar 15, 1944
April 89.1°F — Apr 19, 2002 18.0°F — Apr 7, 2018 3.49 in — Apr 25, 1950
May 98.1°F — May 29, 2018 21.0°F — May 11, 1946 4.45 in — May 13, 2010
June 98.1°F — Jun 29, 2012 42.1°F — Jun 4, 1946 4.07 in — Jun 12, 1946
July 105.1°F — Jul 1, 1938 48.9°F — Jul 23, 1947 5.52 in — Jul 5, 1948
August 102.0°F — Aug 5, 1938 46.9°F — Aug 17, 2012 3.80 in — Aug 26, 1965
September 99.0°F — Sep 10, 2013 28.9°F — Sep 28, 1942 4.15 in — Sep 14, 1961
October 93.0°F — Oct 4, 2006 18.0°F — Oct 26, 1942 3.10 in — Oct 3, 1941
November 80.1°F — Nov 2, 2000 1.0°F — Nov 8, 1991 3.22 in — Nov 1, 1984
December 73.9°F — Dec 16, 2021 -15.0°F — Dec 26, 2000 2.76 in — Dec 10, 2003

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