National Weather Service United States Department of Commerce

Heat Continues for the East and South-Central U.S.; Strong to Severe Storms Across the Mid-Atlantic and Northeast

The extremely dangerous heat wave continues across the East Coast and much of the South-Central U.S. today. Record high temperatures are expected for some areas especially across the Mid-Atlantic where extreme heat risk conditions reside. There is a Slight Risk (level 2 of 5) of severe thunderstorms today for the northern Mid-Atlantic into portions of southern New England. Read More >

Waco - Earliest and Latest 100° Days        Click Here for DFW

 

Average Date of...
  • First 100° Day - July 4
  • Last 100° Day - August 29

 

Earliest First Occurrence
Rank Date Temperature
1 Mar 28, 1971 100
2 Apr 9, 1963 101
3 Apr 11, 1907 100
4 May 4, 1984 100
5 May 5, 1906 100
6 May 27, 1928 100
7 May 28, 2011 100
8 May 30, 1985 100
9
(tie)
May 31, 1998 101
May 31, 1911 100

 

Latest Last Occurrence
Rank Date Temperature
1 Oct 12, 2022 100
2 Oct 4, 1983 100
3 Oct 3, 1979 100
4
(tie)
Oct 2, 1989 101
Oct 2, 1938 100
6 Oct 1, 1977 100
7 Sep 29, 2011 101
8
(tie)
Sep 28, 2005 103
Sep 28, 1953 102
10 Sep 24, 2023 102

 

Latest First Occurrence
Rank Date Temperature
1
(tie)
1920 none
1919 none
3 Oct 3, 1979 101
4 Sep 5, 2021 101
5 Aug 27, 1938 100
6 Aug 20, 1973 100
7 Aug 17, 1941 101
8 Aug 12, 2007 101
9 Aug 10, 1968 100
10 Aug 8, 1942 100
Earliest Last Occurrence
Rank Date Temperature
1 Jul 8, 1931 104
2
(tie)
Jul 22, 1971 103
Jul 22, 1906 104
4 Jul 29, 1960 101
5
(tie)
Aug 4, 1961 100
Aug 4, 1914 100
7
(tie)
Aug 5, 2004 101
Aug 5, 1991 100
9
(tie)
Aug 7, 1996 100
Aug 7, 1915 102