All-time weather records — Midwest, WY

Record high
106.0°F
July 12, 1973
Record low
-42.0°F
December 22, 2022
Wettest day
2.85 in
June 23, 2018

Climate change signal in Midwest

4.9%

of Midwest's all-time daily heat records were set in the last decade (18 of 366 records since 2015).

10.7%

of all-time daily cold records were set in the last decade (39 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
11
5
1940s
72
46
1950s
78
40
1960s
38
68
1970s
26
39
1980s
52
41
1990s
24
33
2000s
30
30
2010s
23
39
2020s
12
25

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 1939, the latest in 2025. Period of observation: 1939-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 23, 1981 -38.9°F — Jan 24, 1949 2.00 in — Jan 11, 1972
February 70.0°F — Feb 21, 1982 -31.0°F — Feb 2, 1996 2.05 in — Feb 23, 1977
March 78.1°F — Mar 30, 1978 -20.0°F — Mar 6, 1943 1.50 in — Mar 18, 1954
April 89.1°F — Apr 27, 1946 -4.0°F — Apr 2, 1975 2.00 in — Apr 20, 1974
May 93.9°F — May 27, 1969 15.1°F — May 1, 1967 2.71 in — May 21, 1962
June 104.0°F — Jun 26, 2012 21.9°F — Jun 15, 2002 2.85 in — Jun 23, 2018
July 106.0°F — Jul 12, 1973 33.1°F — Jul 4, 1972 2.59 in — Jul 27, 1977
August 106.0°F — Aug 5, 1979 21.0°F — Aug 3, 2001 2.69 in — Aug 2, 1953
September 100.0°F — Sep 4, 1950 14.0°F — Sep 28, 1945 1.80 in — Sep 14, 1982
October 89.1°F — Oct 1, 1957 -8.0°F — Oct 25, 2020 1.86 in — Oct 6, 1962
November 75.9°F — Nov 1, 1947 -29.0°F — Nov 30, 1985 1.50 in — Nov 9, 1996
December 69.1°F — Dec 3, 1948 -42.0°F — Dec 22, 2022 1.84 in — Dec 25, 1973

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