All-time weather records — Rossville, IL

Record high
111.0°F
July 14, 1936
Record low
-25.1°F
February 13, 1905
Wettest day
6.24 in
August 18, 2002

Climate change signal in Rossville

5.5%

of Rossville's all-time daily heat records were set in the last decade (20 of 366 records since 2015).

3.3%

of all-time daily cold records were set in the last decade (12 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 #
1900s
14
33
1910s
52
46
1920s
39
49
1930s
107
51
1940s
20
31
1950s
40
23
1960s
5
36
1970s
13
23
1980s
18
25
1990s
11
22
2000s
15
8
2010s
18
16
2020s
14
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 1902, the latest in 2026. Period of observation: 1902-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 25, 1950 -24.0°F — Jan 20, 1985 2.23 in — Jan 11, 2020
February 73.0°F — Feb 25, 2000 -25.1°F — Feb 13, 1905 2.30 in — Feb 21, 2018
March 93.0°F — Mar 29, 1905 -9.9°F — Mar 8, 1943 3.95 in — Mar 11, 1990
April 93.0°F — Apr 11, 1930 3.9°F — Apr 2, 2018 5.34 in — Apr 12, 1994
May 100.9°F — May 31, 1934 25.0°F — May 10, 1966 5.14 in — May 29, 2006
June 107.1°F — Jun 1, 1934 34.0°F — Jun 4, 1945 5.04 in — Jun 28, 1902
July 111.0°F — Jul 14, 1936 43.0°F — Jul 3, 1907 3.55 in — Jul 18, 1939
August 106.0°F — Aug 5, 1918 6.1°F — Aug 31, 1989 6.24 in — Aug 18, 2002
September 102.9°F — Sep 14, 1939 25.0°F — Sep 26, 1928 4.07 in — Sep 5, 2015
October 93.9°F — Oct 8, 1939 9.0°F — Oct 30, 1925 3.01 in — Oct 22, 1983
November 81.0°F — Nov 1, 1950 -9.9°F — Nov 25, 1950 2.69 in — Nov 2, 1936
December 72.0°F — Dec 3, 2012 -22.0°F — Dec 28, 1924 2.34 in — Dec 21, 1967

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