National Weather Service United States Department of Commerce

Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

New Orleans Area - Top Ten Lists

May (1871 - Present)

Warmest
Rank
Avg Temp (F)
Year
1
80.1
2000
2
79.9
2010
3
79.8
1933
4
79.7
2003
5
79.5
1943
6
79.3
2012
7
78.8
1998
7
78.8
1899
9
78.6
1905
10
78.5
1902
Coldest
Rank
Avg Temp (F)
Year
1
71.1
1954
2
71.4
1960
3
71.9
1993
4
72.1
1917
5
72.3
1976
6
72.5
1973
7
72.7
1961
8
72.8
1992
9
72.9
1877
9
72.9
1971
Wettest
Rank
Rainfall (inches)
Year
1
21.18
1995
2
18.68
1873
3
16.80
1912
4
15.06
1932
5
14.74
1907
6
14.33
1959
7
14.28
1991
8
13.66
1926
9
13.53
1946
10
12.72
1939
Driest
Rank
Rainfall (inches)
Year
1
0.02
1898
2
0.07
2000
3
0.14
1899
4
0.19
1914
5
0.22
1874
6
0.25
1897
7
0.28
2006
8
0.70
1906
9
0.76
1891
10
0.78
2011*

  *latest of several occurrences

updated 9/27/2016 aa