National Weather Service United States Department of Commerce

Active Weather Pattern Continues for the Northwestern U.S.

A series of Pacific storm systems will bring periods of locally heavy rain, gusty winds, and mountain snow to portions of Washington and Oregon for the next couple days. In addition, much of the northwestern U.S. and Intermountain West will experience strong winds from these storm systems, particularly in Sierra Nevada, Great Basin, and the northern Rockies/High Plains. 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 October 2017

 

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 14th 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   23 Feb 1921 297 18 Dec 1921
24° Killing Freeze   4 Apr 1987 220 11 Nov 1987   15 Jan 1931 379 30 Jan 1932

 

Updated: November 9, 2017