National Weather Service United States Department of Commerce

Another cool night is in store for North and Central Texas, with lows ranging from the low 40s to low 50s. High clouds will increase in coverage overnight, resulting in partly cloudy skies. Winds will remain out of the south around 10 mph.
A cold front will move through North and Central Texas on Tuesday, and will bring an end to our warming trend. Winds will shift from the south around 5-10 mph to the north around 10-15 mph as the cold front makes its way across the region. Highs will range from the mid 60s to low 70s with partly to mostly cloudy skies.
Thanksgiving Day will be sunny with highs in the mid 60s to low 70s. Winds will be west to northwest around 5 mph.
Here is the latest drought monitor, released on 11/17/17 from the University of Nebraska-Lincoln. Note that this map is valid for the areas serviced by the National Weather Service in Fort Worth. Little to no measurable rain is forecast over the next week for our area.
The fall season (September-November) has been dry throughout much of North and Central Texas. Without additional precipitation before the end of November, Waco's autumn tally of 2.95" will rank among the top 10 driest on record. At DFW Airport, only 3.40" of rain has fallen since the beginning of September, more than 6 inches below the normal value for the entire fall season.

 
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Grayson County Tornado Climatology Page
1950-2017

 
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Grayson County Graphical Tornado Data

 

Tornadoes in Grayson Co. by Year


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Tornadoes in Grayson Co.
by Rating


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Tornadoes in Grayson Co.
by Intensity


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Tornadoes in Grayson Co.
by Month


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Tornadoes in Grayson Co.
by Time of Day


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Grayson County Tabular Tornado Output

To download Grayson County Tabular Tornado Output, Click Here (Excel Spreadsheet)



 
 
 
Grayson County Monthly Tornado Table 1950-2017
Grayson County 1950s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1950 0 0 0 0 0 0 0 0 0 0 0 0 0
1951 0 0 0 0 0 0 0 0 0 0 0 0 0
1952 0 0 0 1 0 1 0 0 0 0 0 0 2
1953 0 0 0 0 0 0 0 0 0 0 0 0 0
1954 0 0 0 0 0 0 0 0 3 0 0 0 3
1955 0 0 0 3 0 0 0 0 0 0 0 0 3
1956 0 0 0 0 0 0 0 0 0 0 0 0 0
1957 0 0 0 4 0 0 0 0 0 0 0 0 4
1958 0 0 0 0 0 0 0 0 0 0 1 0 1
1959 0 0 0 0 0 0 1 0 0 0 0 0 1
 
Grayson County 1960s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1960 1 0 0 0 1 0 0 0 0 0 0 0 2
1961 0 0 0 0 0 0 0 0 0 0 0 0 0
1962 0 0 2 0 0 0 0 0 0 0 0 0 2
1963 0 0 0 0 0 0 1 0 0 0 0 0 1
1964 0 0 0 0 0 0 0 0 0 0 0 0 0
1965 0 0 0 0 0 0 0 1 0 0 0 0 1
1966 0 0 0 0 0 0 0 0 0 0 0 0 0
1967 0 0 0 0 0 0 0 0 0 0 0 0 0
1968 0 0 0 0 0 0 0 0 0 0 0 0 0
1969 0 0 0 0 0 0 0 0 0 0 0 0 0
 
Grayson County 1970s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1970 0 0 0 0 0 1 0 0 0 0 0 0 1
1971 0 0 5 0 0 0 0 0 0 0 0 1 6
1972 0 0 0 0 0 0 0 0 0 0 0 0 0
1973 0 0 1 0 0 0 0 0 0 0 0 0 1
1974 0 0 0 0 1 0 0 0 0 1 0 0 2
1975 0 0 3 0 0 0 0 0 0 0 0 0 3
1976 0 0 0 1 0 0 0 0 0 0 0 0 1
1977 0 0 0 1 0 0 0 0 0 0 0 0 1
1978 0 0 0 0 0 0 0 0 0 0 0 0 0
1979 0 0 0 1 0 0 1 0 0 0 0 0 2
 
Grayson County 1980s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1980 0 0 0 0 0 0 0 0 0 0 0 0 0
1981 0 0 1 0 0 0 0 0 0 1 0 0 2
1982 0 0 0 0 0 1 0 0 0 0 2 0 3
1983 0 0 0 1 0 0 0 0 0 0 0 0 1
1984 0 0 0 1 0 0 0 0 0 0 0 0 1
1985 0 0 0 0 0 0 0 0 0 0 0 0 0
1986 0 0 0 0 0 0 0 0 0 0 0 0 0
1987 0 0 0 0 0 0 0 0 0 0 0 0 0
1988 0 0 0 0 0 0 0 0 0 0 0 0 0
1989 0 0 0 0 0 0 0 0 0 0 0 0 0
 
Grayson County 1990s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1990 0 0 0 0 0 0 0 0 0 0 0 0 0
1991 0 0 0 1 0 0 0 0 0 0 0 0 1
1992 0 0 0 0 0 0 0 0 0 0 1 0 1
1993 0 0 0 0 0 0 0 0 0 0 0 0 0
1994 0 0 0 3 0 0 0 0 0 0 0 0 3
1995 0 0 0 1 0 0 0 0 0 0 0 0 1
1996 0 0 0 4 0 0 0 0 0 0 0 0 4
1997 0 0 0 0 1 0 0 0 0 1 0 0 2
1998 0 0 0 0 0 0 0 0 0 0 0 0 0
1999 0 0 0 0 0 0 0 0 0 0 0 0 0
 
Grayson County 2000s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
2000 0 0 0 0 0 0 0 0 0 0 0 0 0
2001 0 0 0 0 0 0 0 0 0 0 0 0 0
2002 0 0 0 0 0 0 0 0 0 0 0 0 0
2003 0 0 0 0 0 0 0 0 0 0 0 0 0
2004 0 0 0 0 0 0 0 0 0 0 0 0 0
2005 0 0 0 0 0 0 0 0 0 0 0 0 0
2006 0 0 2 0 2 0 0 0 0 0 0 0 4
2007 0 0 0 0 0 0 0 0 0 0 0 0 0
2008 0 0 0 1 0 0 0 0 0 0 0 2 3
2009 0 0 0 0 0 0 0 0 0 0 0 0 0
 
Grayson County 2010s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
2010 0 0 0 0 0 0 0 0 0 0 0 0 0
2011 0 0 0 0 0 0 0 0 0 0 0 0 0
2012 0 0 0 0 0 0 0 0 0 0 0 0 0
2013 0 0 0 0 0 0 0 0 0 0 0 0 0
2014 0 0 0 0 0 0 0 0 0 0 0 0 0
2015 0 0 0 0 3 0 0 0 0 0 0 0 3
2016 0 0 0 3 0 0 0 0 0 0 0 0 3
2017 0 0 0 0 0 0 0 0 0 0 -- -- 0
 
 

Grayson Co. Strong & Violent Tornado Table
(Sorted by Rating)

 
 
Date Fujita Rating (F/EF)
05/09/2006 F3
05/14/1974 F3
03/10/1973 F3
03/12/1971 F3
03/12/1971 F3
03/12/1971 F3
04/18/1957 F3
04/02/1957 F3
04/06/1955 F3
12/08/2008 EF2
03/17/1981 F2
10/30/1974 F2
12/14/1971 F2
06/23/1970 F2
08/06/1965 F2
05/20/1960 F2
07/13/1959 F2
04/02/1957 F2
04/06/1955 F2
04/06/1955 F2
04/03/1952 F2
 

Grayson Co. Strong & Violent Tornado Table
(Sorted by Date)

 
 
Date Fujita Rating (F/EF)
12/08/2008 EF2
05/09/2006 F3
03/17/1981 F2
10/30/1974 F2
05/14/1974 F3
03/10/1973 F3
12/14/1971 F2
03/12/1971 F3
03/12/1971 F3
03/12/1971 F3
06/23/1970 F2
08/06/1965 F2
05/20/1960 F2
07/13/1959 F2
04/18/1957 F3
04/02/1957 F3
04/02/1957 F2
04/06/1955 F3
04/06/1955 F2
04/06/1955 F2
04/03/1952 F2

Grayson Co. Top Months with MOST confirmed Tornadoes

 
Month/Year Number of Confirmed Tornadoes
03/1971 5
04/1957 4
04/1996 4
03/1975 3
04/1955 3

Grayson Co. Top Days with MOST confirmed Tornadoes

 
Date Number of Confirmed Tornadoes
03/12/1971 5
04/21/1996 4
04/02/1957 3
04/06/1955 3
04/26/1994 3
04/26/2016 3
09/29/1954 3
03/24/1962 2
03/28/1975 2
03/30/2006 2
05/09/2006 2