National Weather Service United States Department of Commerce

Outside of isolated showers and thunderstorms through nightfall across the East, it will be rain-free the rest of the night. Warm and humid conditions will continue with lows falling into the middle 60s to lower 70s. Light south winds less than 10 mph are expected.
Daily chances for showers and storms will occur Wednesday through Saturday. These will be summertime pop-up showers and storms which will remain isolated to scattered in coverage. Gusty winds and brief heavy rainfall with be the main hazards. Temperatures will remain slightly above normal with highs in the upper 80s and 90s and lows in the upper 60s and 70s. Afternoon highs in the upper 90s will occur this weekend.
The Memoridal Day Weekend is shaping up to be hot with small chances for rain---mainly across East Texas. Make sure you stay cool and drink plenty of water if you have outdoor festivities this weekend!

 
Text Product Selector (Selected product opens in current window)
Latest Text Products Issued (Experimental)
Safe Rooms Icon Cooperatirve Rainfall (CoCoRaHs) icon Storm Ready Icon AirNow Icon

 

Grayson County Tornado Climatology Page
1950-2018

 
Click here to return to the North & Central TX Tornado Climatology mainpage
 




 
Click map for larger image



 

Grayson County Graphical Tornado Data

 

Tornadoes in Grayson Co. by Year


Click image for larger figure

Tornadoes in Grayson Co.
by Rating


Click image for larger figure

Tornadoes in Grayson Co.
by Intensity


Click image for larger figure

Tornadoes in Grayson Co.
by Month


Click image for larger figure

Tornadoes in Grayson Co.
by Time of Day


Click image for larger figure




Grayson County Tabular Tornado Output

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



 
 
 
Grayson County Monthly Tornado Table 1950-2018
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 0 0
2018 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