National Weather Service United States Department of Commerce

Daily Climate Graphic

Climate Data for April 21
  Normal High* Normal Low* Record High Record Low Record Precipitation
Baton Rouge (since 1892) 80 58 92 (1987) 41 (1953) 5.24 (1979)
Biloxi, MS (since 1893) 77 62 88 (1987) 43 (1950) 2.5 (1912)
McComb, MS (since 1948) 78 55 95 (1987) 39 (1953) 4.47 (1977)
New Orleans - City (since 1893) 82 63 93 (1987) 43 (1953) 1.9 (1966)
New Orleans Intl Airport - MSY (since 1871) 80 63 92 (1987) 46 (1953) 1.72 (1977)
Slidell, LA (since 1956) 77 59 90 (1987) 43 (2013) 3.38 (1977)
*30 Year Climate Normals from 1991 to 2020
On this day in 1966: In East Baton Rouge Parish, heavy rain during the early morning resulted in widespread street flooding and property damage to 10 homes in the Goodwood Subdivision. Street flooding was also common in the New Orleans Metro area with several roads becoming impassible.