National Weather Service United States Department of Commerce

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. 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 15, 2024 100
2 Oct 12, 2022 100
3 Oct 4, 1983 100
4 Oct 3, 1979 100
5
(tie)
Oct 2, 1989 101
Oct 2, 1938 100
7 Oct 1, 1977 100
8 Sep 29, 2011 101
9
(tie)
Sep 28, 2005 103
Sep 28, 1953 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