National Weather Service United States Department of Commerce

Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Daily Climate Graphic

Climate Data for July 27
  Normal High* Normal Low* Record High Record Low Record Precipitation
Baton Rouge (since 1892) 92 74 99 (1907) 66 (1911) 2.73 (1994)
Biloxi, MS (since 1893) 90 76 99 (1915) 66 (1911) 4.05 (1908)
McComb, MS (since 1948) 92 71 101 (1995) 65 (1978) 1.5 (2020)
New Orleans - City (since 1893) 94 77 101 (1940) 65 (1911) 2.09 (1943)
New Orleans Intl Airport - MSY (since 1871) 92 77 99 (1995) 68 (1967) 2.67 (1955)
Slidell, LA (since 1956) 90 74 97 (1960) 68 (2000) 3.0 (1988)
*30 Year Climate Normals from 1991 to 2020
On this day in 1999: A weak tornado briefly touched down near the southeastern city limits of Baton Rouge near Highland Road, knocking down several tree limbs.