Severe Thunderstorms in the Central U.S.; Upper Level Low Over California

Scattered severe thunderstorms are possible today across central and eastern Minnesota, Iowa, and western Wisconsin. A few tornadoes, isolated very large hail, and damaging winds may occur. An upper level low will help trigger scattered thunderstorms over portions of central and southern California today along with a few inches of snow in the central Sierra Nevadas. 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

Follow us on Twitter

Follow us on Facebook

Follow us on YouTube

TSA RSS Feed

Severe Thunderstorms in the Central U.S.; Upper Level Low Over California

Fort Smith Frost/Freeze Records