All-time weather records — Meredosia, IL

Record high
106.0°F
July 8, 2012
Record low
-26.0°F
January 5, 1999
Wettest day
5.14 in
September 10, 2014

Climate change signal in Meredosia

28.1%

of Meredosia's all-time daily heat records were set in the last decade (103 of 366 records since 2015).

17.2%

of all-time daily cold records were set in the last decade (63 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 #
1990s
52
133
2000s
132
114
2010s
133
85
2020s
49
34

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 1992, the latest in 2026. Period of observation: 1992-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 71.1°F — Jan 8, 2008 -26.0°F — Jan 5, 1999 2.32 in — Jan 31, 2002
February 79.0°F — Feb 21, 2017 -20.9°F — Feb 3, 1996 2.34 in — Feb 23, 2023
March 91.0°F — Mar 27, 2026 -8.0°F — Mar 3, 2014 3.30 in — Mar 18, 2021
April 90.0°F — Apr 4, 2011 0.0°F — Apr 9, 2022 3.50 in — Apr 30, 2017
May 95.0°F — May 28, 2018 28.0°F — May 4, 2005 3.22 in — May 20, 2025
June 104.0°F — Jun 29, 2012 39.0°F — Jun 1, 1993 3.81 in — Jun 14, 2011
July 106.0°F — Jul 8, 2012 46.0°F — Jul 28, 2013 4.00 in — Jul 20, 2010
August 104.0°F — Aug 16, 2007 42.1°F — Aug 6, 1994 2.96 in — Aug 26, 2004
September 102.9°F — Sep 2, 2011 24.1°F — Sep 24, 1992 5.14 in — Sep 10, 2014
October 93.0°F — Oct 4, 2006 19.0°F — Oct 29, 2017 3.22 in — Oct 8, 2021
November 84.0°F — Nov 3, 2016 9.0°F — Nov 21, 2000 2.84 in — Nov 17, 2009
December 73.9°F — Dec 4, 2012 -9.9°F — Dec 19, 2016 2.03 in — Dec 10, 2003

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