Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Daily Climate Graphic

Climate Data for May 9

	Normal High*	Normal Low*	Record High	Record Low	Record Precipitation
Baton Rouge (since 1892)	84	63	95 (1922)	46 (1917)	4.67 (1893)
Biloxi, MS (since 1893)	81	67	93 (1952)	49 (1917)	7.09 (1995)
McComb, MS (since 1948)	82	60	91 (2003)	42 (1992)	2.49 (2014)
New Orleans - City (since 1893)	86	68	94 (1941)	47 (1928)	7.45 (1994)
New Orleans Intl Airport - MSY (since 1871)	84	67	91 (1986)	48 (1992)	3.54 (2014)
Slidell, LA (since 1956)	81	64	90 (2002)	54 (2007)	9.45 (1995)

*30 Year Climate Normals from 1991 to 2020
For the 2nd consecutive night, heavy rains and severe thunderstorms plagued parts of SE Louisiana. Between 11 and 16 inches of rain fell across the southern St. Tammany Parish and the MS Gulf Coast. The National Weather Service Office in Slidell recorded 15.75 inches of rain overnight. Hundreds were evacuated from flooded homes as some locations reported two day total rainfall amounts over 20 inches.

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Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

New Orleans Area Daily Climate Data