National Weather Service United States Department of Commerce

Monsoon and Heavy Rain this Weekend

Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region and Southwest to the central Rockies through midweek. A tropical wave is expected to move inland in South Texas today and bring widespread rainfall and thunderstorms to the region into Tuesday. Heavy rains also possible in the central Appalachians and southern Florida. Read More >

Dallas/Fort Worth - Earliest and Latest 100° Days         Click Here for Waco

 

Average Date of...
  • First 100° Day - July 1
  • Last 100° Day - August 27

 

Earliest First Occurrence
Rank Date Temperature
1 Mar 9, 1911 100
2 Mar 21, 1916 100
3 Apr 17, 2006 101
4 Apr 18, 1925 100
5 May 4, 1947 100
6 May 6, 1998 100
7 May 27, 1928 103
8 May 28, 1927 107
9
(tie)
May 30, 2003 100
May 30, 1985 103

 

Latest Last Occurrence
Rank Date Temperature
1 Oct 3, 1951 106
2
(tie)
Oct 1, 1979 102
Oct 1, 1938 101
4 Sep 29, 2011 101
5
(tie)
Sep 28, 2005 104
Sep 28, 1953 105
7 Sep 27, 1977 101
8 Sep 25, 1931 100
9
(tie)
Sep 20, 2021 100
Sep 20, 2016 100
Sep 20, 1954 100
Sep 20, 1937 100

 

Latest First Occurrence
Rank Date Temperature
1
(tie)
1973 none
1906 none
3 Aug 23, 1989 101
4 Aug 19, 1905 102
5 Aug 16, 1903 100
6 Aug 11, 2007 100
7 Aug 10, 1992 100
8 Aug 8, 1968 100
9
(tie)
Aug 7, 1919 100
Aug 7, 1908 100
Earliest Last Occurrence
Rank Date Temperature
1 May 30, 1928 101
2 Jul 12, 1904 103
3 Jul 14, 1933 104
4 Jul 16, 2004 100
5 Jul 22, 1971 100
6 Jul 25, 2002 100
7
(tie)
Aug 1, 1920 100
Aug 1, 1914 100
9 Aug 3, 1912 102
10 Aug 4, 1961 100