Dangerous Heat in the Central and Southern U.S.; Thunderstorms and Heavy Rain in the Northern Plains

Dangerous, prolonged heat is expected across portions of the Central and Southeast U.S. through July. Scattered severe thunderstorms are expected over parts of the northern Plains into the upper Mississippi Valley Tuesday, with damaging winds and large hail as the primary threats. Heavy rainfall could lead to areas of flooding across the northern Plains, Upper Midwest, Southeast and Southwest. Read More >

June 2011 Review

DFW Temps - June 2011 Waco Temps - June 2011

Above normal temperatures dominated the month. For both DFW and Waco, June 2011 ranked among the warmest on record. Waco's average high temperature for the month of 99.9°F was an all-time record.

Dallas/Fort Worth - June Temperatures

Rank	Temperature	Year
Highest Maximum
1	99.5	1980
2	98.5	1953
3	97.9	1911
4	97.6	2011
5	96.7	2008
6 (tie)	96.6	1952
6 (tie)	96.6	1934
8	96.4	2010
9	96.2	1977
10	95.9	1998

Rank	Temperature	Year
Highest Average
1	87.5	1953
2	87.0	1980
3	86.8	2011
4 (tie)	86.5	2010
4 (tie)	86.5	2008
6	86.0	1934
7	85.9	1911
8	85.5	1998
9 (tie)	85.3	1952
9 (tie)	85.3	1925

Rank	Temperature	Year
Highest Minimum
1	76.6	2010
2	76.5	1953
3	76.3	2008
4	75.9	2011
5	75.5	1925
6	75.3	1934
7	75.0	1998
8	74.4	1980
9 (tie)	73.9	1994
	73.9	1952
	73.9	1911

Waco - June Temperatures

Rank	Temperature	Year
Highest Maximum
1	99.9	2011
2	99.3	1911
3	99.0	1925
4	98.6	1902
5	98.5	1990
6	98.0	1934
7 (tie)	97.9	1998
7 (tie)	97.9	1918
9	97.6	2009
10	97.0	1953

Rank	Temperature	Year
Highest Average
1	88.9	1925
2 (tie)	87.4	2011
2 (tie)	87.4	1934
4	86.9	1918
5	86.8	1911
6 (tie)	86.3	1990
6 (tie)	86.3	1902
8	86.2	1998
9	85.7	2009
10	85.6	1953

Rank	Temperature	Year
Highest Minimum
1	78.7	1925
2	76.8	1934
3	75.9	1914
4 (tie)	75.8	2010
4 (tie)	75.8	1918
6 (tie)	75.6	1924
6 (tie)	75.6	1923
8	75.2	1967
9	74.9	1908
10	74.8	2011

During the middle of the month, DFW Airport recorded 7 consecutive days with triple-digit temperatures. Drought-plagued Waco tallied 10 consecutive 100-degree days, including 4 consecutive days with record highs. Combined with 7 other 100-degree days during the month, Waco totalled 17 triple-digit highs in June, tying the all-time record previously set in 1998.

Rank	# of Days	Year
Dallas/Fort Worth Greatest Number of 100-Degree Days During June
1 (tie)	13	1980
1 (tie)	13	1911
3	11	1953
4 (tie)	8	1998
4 (tie)	8	1918
6 (tie)	7	2011
6 (tie)	7	1934
8 (tie)	6	1956
8 (tie)	6	1948
10 (tie)	5	2009
	5	2008
	5	1924
	5	1902

Rank	# of Days	Year
Waco Greatest Number of 100-Degree Days During June
1 (tie)	17	2011
1 (tie)	17	1998
3	15	1925
4 (tie)	14	2009
4 (tie)	14	1902
6 (tie)	13	1990
	13	1918
	13	1911
9	10	1980
10 (tie)	9	1969
10 (tie)	9	1905

There were few days with rainfall during the month, but the thunderstorms that occurred June 20-22 brought heavy rain to portions of North Texas. The image of estimated rainfall below shows the heavy rain that impacted the Metroplex as well as areas from Corsicana to Athens.

Strong winds also accompanied the storms. During the early morning hours of June 21, Denton recorded a peak wind of 75 mph.

Location	Precipitation	Normal	Departure
June 2011 Precipitation
DFW Airport	2.84	3.23	-0.39
Waco	1.26	3.08	-1.82
Dallas Love Field	3.70	3.92	-0.22
Fort Worth Meacham	2.69
Dallas Executive	2.17
Fort Worth Alliance	2.00
Arlington	0.92	3.70	-2.78
Denton	2.55	3.29	-0.74
McKinney	1.40	4.11	-2.71
Terrell	3.77	4.02	-0.25
Corsicana	4.48	3.40	+1.08
Mineral Wells	0.49	3.25	-2.76

June 2011 Precipitation

Some locations in the Metroplex, including DFW Airport and Dallas Love Field, have recorded above normal precipitation during the last 3 months (April-June). However, for the vast majority of North Texas, the drought persists. Mineral Wells has only received 38% of normal precipitation since the beginning of October.

9-Month Precipitation (October 1, 2010 - June 30, 2011)

Location Precipitation Normal Departure % of Normal

DFW Airport 20.55 28.16 -7.61 73

Waco 13.75 26.38 -12.63 52

Dallas Love Field 21.93 29.80 -7.87 74

Fort Worth Meacham 15.94

Dallas Executive 17.70

Fort Worth Alliance 16.27

Arlington 17.79 30.17 -12.38 59

Denton 19.06 29.65 -10.59 64

McKinney 19.68 33.34 -13.66 59

Terrell 25.32 34.33 -9.01 74

Corsicana 21.53 31.91 -10.38 67

Mineral Wells 9.20 24.40 -15.20 38

9-Month Precipitation Deficits (October 2010 - June 2011)

9-Month Precipitation Deficits (Oct 2010 - June 2011)

U.S. Drought Monitor - June 28, 2011

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