All-time weather records — Indianola, IL

Record high
102.0°F
July 7, 2012
Record low
-17.0°F
January 1, 2018
Wettest day
4.30 in
April 6, 1965

Climate change signal in Indianola

43.4%

of Indianola's all-time daily heat records were set in the last decade (159 of 366 records since 2015).

41%

of all-time daily cold records were set in the last decade (150 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 #
1910s
·
·
1940s
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
·
·
2000s
118
168
2010s
138
134
2020s
110
64

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 2002, the latest in 2026. Period of observation: 1913-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 9, 2026 -17.0°F — Jan 1, 2018 3.23 in — Jan 4, 1950
February 75.0°F — Feb 27, 2024 -16.1°F — Feb 24, 2015 2.66 in — Feb 21, 1951
March 86.0°F — Mar 23, 2026 -0.9°F — Mar 4, 2019 2.16 in — Mar 13, 1917
April 88.0°F — Apr 4, 2012 17.1°F — Apr 2, 2021 4.30 in — Apr 6, 1965
May 96.1°F — May 28, 2012 30.0°F — May 3, 2005 3.56 in — May 25, 1994
June 99.0°F — Jun 29, 2012 39.0°F — Jun 1, 2003 3.95 in — Jun 11, 1958
July 102.0°F — Jul 7, 2012 48.0°F — Jul 1, 2024 4.03 in — Jul 19, 1982
August 98.1°F — Aug 3, 2012 44.1°F — Aug 31, 2009 2.70 in — Aug 13, 1999
September 99.0°F — Sep 2, 2011 34.0°F — Sep 28, 2022 3.90 in — Sep 8, 1972
October 91.0°F — Oct 2, 2019 21.9°F — Oct 21, 2018 3.75 in — Oct 22, 1983
November 80.1°F — Nov 9, 2023 0.0°F — Nov 13, 2019 2.72 in — Nov 16, 1955
December 71.1°F — Dec 4, 2012 -9.9°F — Dec 27, 2017 3.28 in — Dec 27, 2015

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