All-time weather records — Lena, IL

Record high
99.0°F
June 21, 1988
Record low
-32.1°F
January 31, 2019
Wettest day
6.84 in
July 23, 2010

Climate change signal in Lena

16.9%

of Lena's all-time daily heat records were set in the last decade (62 of 366 records since 2015).

9%

of all-time daily cold records were set in the last decade (33 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 #
1940s
32
27
1950s
53
64
1960s
35
37
1970s
17
45
1980s
57
80
1990s
34
45
2000s
44
24
2010s
58
27
2020s
36
17

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 1944, the latest in 2026. Period of observation: 1943-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 61.0°F — Jan 27, 2002 -32.1°F — Jan 31, 2019 2.90 in — Jan 12, 1960
February 80.1°F — Feb 4, 1983 -29.9°F — Feb 3, 1996 1.83 in — Feb 21, 1997
March 84.0°F — Mar 30, 1986 -18.0°F — Mar 1, 1962 2.25 in — Mar 19, 1948
April 91.0°F — Apr 23, 1980 7.0°F — Apr 7, 1982 3.00 in — Apr 16, 1972
May 97.0°F — May 11, 2022 24.1°F — May 3, 1978 3.50 in — May 13, 1978
June 99.0°F — Jun 21, 1988 30.0°F — Jun 11, 1947 4.30 in — Jun 4, 2002
July 99.0°F — Jul 1, 1963 39.9°F — Jul 1, 1988 6.84 in — Jul 23, 2010
August 99.0°F — Aug 18, 1988 39.0°F — Aug 15, 1979 6.40 in — Aug 22, 2002
September 98.1°F — Sep 1, 1953 26.1°F — Sep 29, 1949 5.66 in — Sep 2, 2018
October 89.1°F — Oct 2, 1953 12.9°F — Oct 30, 1988 2.87 in — Oct 2, 2019
November 77.0°F — Nov 1, 2000 -9.9°F — Nov 24, 1950 2.40 in — Nov 16, 1961
December 69.1°F — Dec 15, 2021 -24.0°F — Dec 24, 1983 2.01 in — Dec 15, 1971

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