DFW - Annual and Consecutive 100° Days

River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

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*The 2026 ranking for Greatest Annual is subject to change through the end of the warm season.

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Recent Rankings Not Listed Below

The streak of consecutive 100 degree days spanning from August 22 - September 2, 2026 (12 days) ranks 19th.

The streak of consecutive 100 degree days spanning from September 4 - September 16, 2026 (13 days) ranks 15th.

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Rank	# of Days	Year
Greatest Annual
1	71	2011
2	69	1980
3	56	1998
4	55	2023
5 (tie)	52*	2026
5 (tie)	52	1954
7	48	1956
8	47	2022
9	46	2000
10	44	1952

Rank	# of Days	Dates
Greatest Consecutive
1	42	Jun 23 - Aug 3, 1980
2	40	Jul 2 - Aug 10, 2011
3	29	Jul 6 - Aug 3, 1998
4	25	Aug 2-26, 1952
5	24	Jul 28 - Aug 20, 1999
6 (tie)	21	Jul 24 - Aug 13, 2023
6 (tie)	21	Jul 16 - Aug 5, 2022
8 (tie)	20	Aug 15 - Sep 3, 2011
8 (tie)	20	Jul 9-28, 1954
10	19	Aug 8-26, 2006

Rank	# of Days	Year
Least Annual
1 (tie)	0	1973
1 (tie)	0	1906
3 (tie)	1	2004
	1	2002
	1	1992
	1	1920
	1	1919
	1	1908
	1	1905
	1	1904
	1	1903

Rank	# of Days	Month/Year
Greatest Number of Days in a Month
1	31	Jul 1980
2	30	Jul 2011
3 (tie)	28	Aug 2011
3 (tie)	28	Jul 1998
5 (tie)	27	Aug 2026
	27	Jul 2022
	27	Aug 2000
	27	Aug 1952
8	26	Aug 1999
9 (tie)	25	Aug 2006
	25	Jul 1954
	25	Aug 1951

Last Updated: 9/22/2026

River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

DFW - Annual and Consecutive 100° Days

Dallas/Fort Worth - Annual and Consecutive 100° Days

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