Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Heavy rainfall from scattered thunderstorms is expected across the Southwest, Intermountain West, and Plains. Isolated dry thunderstorms may initiate additional fires across the west. The coastal Carolinas may experience flash floods in the coming days due to repeated thunderstorms. Additionally, a wave of intense summer heat will hit the Southern Plains and central Gulf Coast States this week. Read More >

Fort Smith, Arkansas Climatological Records

Frost/Freeze

Record and Mean Dates of Last Occurrence in Spring and First Occurrence in Fall

For the Period January 1901 through May 2020

Temperature (°F)	Mean Last Occurrence in Spring	Mean First Occurrence in Fall	Mean Days between Occurrences
32° Frost/Light Freeze	March 26th	November 5th	223
28° Hard Freeze	March 13th	November 17th	248
24° Killing Freeze	February 26th	December 1st	277

	Record Last Occurrence in Spring		Record First Occurrence in Fall
Temperature (°F)	Earliest	Latest	Earliest	Latest
32° Frost/Light Freeze	23 Feb 1907	17 Apr 1921, 1951	8 Oct 1952	2 Dec 1931
28° Hard Freeze	8 Feb 1907	15 Apr 1983	18 Oct 1948	26 Dec 1933
24° Killing Freeze	15 Jan 1931, 1999	8 Apr 2007	29 Oct 1952	3 Feb 1923

Record Number of Days Between Last (Spring) and First (Fall) Occurrences
Temperature (°F)	Spring	Fewest Number of Days	Fall	Spring	Greatest Number of Days	Fall
32° Frost/Light Freeze	9 Apr 2000	182	9 Oct 2000	28 Feb 1905	273	29 Nov 1905
28° Hard Freeze	11 Apr 1989	191	20 Oct 1989	9 Feb 2017	300	7 Dec 2017
24° Killing Freeze	4 Apr 1987	220	11 Nov 1987	15 Jan 1931	379	30 Jan 1932

Updated: June 22, 2020

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Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Fort Smith Frost/Freeze Records