National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Date
Record Max
Normals
Record Min
May 01
91 / 2012*
77.6 | 54.8 | 0.18
34 / 1908
May 02
91 / 2012*
77.8 | 55.2 | 0.17
32 / 1909
May 03
91 / 1952*
78.1 | 55.5 | 0.18
36 / 1971
May 04
90 / 1930*
78.3 | 55.8 | 0.17
36 / 1971
May 05
94 / 1959
78.6 | 56.1 | 0.18
36 / 1957*
May 06
95 / 1952
78.8 | 56.4 | 0.17
37 / 1944
May 07
92 / 1952
79.0 | 56.7 | 0.17
32 / 1944
May 08
93 / 1986*
79.3 | 57.0 | 0.17
39 / 1958*
May 09
93 / 1936
79.5 | 57.3 | 0.17
38 / 1923*
May 10
94 / 1936
79.8 | 57.6 | 0.17
36 / 1923
May 11
95 / 1936
80.0 | 57.9 | 0.17
42 / 1909
May 12
92 / 1962
80.3 | 58.2 | 0.17
42 / 1989
May 13
94 / 1962
80.5 | 58.5 | 0.18
39 / 1960*
May 14
95 / 2018
80.8 | 58.8 | 0.18
36 / 1910
May 15
94 / 2018
81.0 | 59.1 | 0.18
36 / 1910
May 16
95 / 1962
81.3 | 59.4 | 0.17
40 / 1924
May 17
95 / 1944
81.5 | 59.7 | 0.17
42 / 1956
May 18
95 / 1962
81.8 | 59.9 | 0.17
44 / 1973
May 19
96 / 1962
82.0 | 60.2 | 0.16
40 / 1976
May 20
96 / 1960
82.3 | 60.5 | 0.16
43 / 2002
May 21
96 / 1941*
82.5 | 60.8 | 0.15
41 / 1954
May 22
95 / 1941
82.8 | 61.1 | 0.15
43 / 1993
May 23
95 / 2010
83.1 | 61.3 | 0.15
45 / 1954*
May 24
96 / 1996*
83.3 | 61.6 | 0.16
43 / 1931
May 25
97 / 1926*
83.6 | 61.9 | 0.15
45 / 1942*
May 26
97 / 1926*
83.8 | 62.1 | 0.15
44 / 1979
May 27
99 / 1926
84.1 | 62.4 | 0.15
41 / 1961
May 28
98 / 1911
84.3 | 62.7 | 0.15
41 / 1907
May 29
99 / 1914
84.6 | 63.0 | 0.15
46 / 1984
May 30
99 / 1914
84.8 | 63.2 | 0.15
42 / 1984
May 31
98 / 1925*
85.1 | 63.5 | 0.16
43 / 1984*

* indicates record also set in previous years