Heat Wave Risk in Texas

All Texas counties ranked by FEMA National Risk Index heat wave score

Heat Wave risk — prolonged periods of extreme heat that threaten health and infrastructure — is rated for 254 of 254 Texas counties in FEMA's National Risk Index. Dallas County carries the state's highest heat wave score at 99.9, with $288M in expected annual heat wave losses.

13 Texas counties are rated High or Very High for heat wave, and expected annual losses from heat wave total roughly $797M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Heat Wave

#CountyHeat Wave ScoreRatingAnn. Freq.Ann. Loss
1 Dallas County
99.9
Very High 19.11 / yr $288M
2 Harris County
99.7
Very High 14.86 / yr $80M
3 Tarrant County
99.5
High 19.11 / yr $50M
4 Bexar County
99.4
High 10.32 / yr $39M
5 Hidalgo County
98.8
High 8.97 / yr $13M
6 El Paso County
98.7
High 7.28 / yr $14M
7 Travis County
98.5
High 10.32 / yr $23M
8 Denton County
98.0
High 18.16 / yr $20M
9 Nueces County
98.0
High 16.71 / yr $11M
10 Fort Bend County
97.8
High 14.32 / yr $17M
11 Collin County
97.7
High 18.37 / yr $18M
12 Webb County
97.4
High 10.26 / yr $7M
13 Cameron County
97.3
High 7.50 / yr $6M
14 Smith County
96.3
Medium 18.74 / yr $6M
15 McLennan County
96.1
Medium 16.95 / yr $6M
16 Montgomery County
95.8
Medium 11.90 / yr $8M
17 Angelina County
95.2
Medium 20.37 / yr $5M
18 Dimmit County
94.9
Medium 7.05 / yr $3M
19 Bell County
94.5
Medium 15.37 / yr $6M
20 Gregg County
93.9
Medium 19.37 / yr $4M
21 Galveston County
93.5
Medium 15.27 / yr $5M
22 Kaufman County
93.3
Medium 17.05 / yr $5M
23 Brazoria County
93.1
Medium 14.91 / yr $5M
24 Wichita County
92.8
Medium 15.79 / yr $4M
25 Jefferson County
92.7
Medium 10.24 / yr $3M
26 Grayson County
92.7
Medium 15.95 / yr $4M
27 Johnson County
92.6
Medium 16.68 / yr $4M
28 Harrison County
92.2
Medium 20.00 / yr $3M
29 Hays County
92.1
Medium 10.21 / yr $5M
30 Brazos County
91.7
Medium 11.58 / yr $3M
31 Bowie County
91.5
Medium 18.95 / yr $3M
32 Hunt County
91.3
Medium 16.37 / yr $3M
33 Nacogdoches County
91.3
Medium 20.32 / yr $3M
34 Williamson County
91.0
Medium 10.00 / yr $5M
35 Ellis County
90.6
Medium 16.58 / yr $3M
36 Maverick County
90.4
Medium 6.95 / yr $2M
37 Rockwall County
90.1
Medium 18.00 / yr $5M
38 Fannin County
89.6
Medium 15.89 / yr $3M
39 Parker County
89.5
Medium 15.16 / yr $3M
40 Guadalupe County
89.1
Medium 10.58 / yr $3M
41 Tom Green County
88.5
Medium 10.11 / yr $2M
42 Comal County
88.2
Medium 10.16 / yr $3M
43 San Patricio County
88.2
Medium 13.87 / yr $2M
44 Lamar County
87.6
Medium 15.32 / yr $2M
45 Henderson County
87.3
Medium 15.63 / yr $2M
46 Taylor County
86.8
Medium 10.00 / yr $2M
47 Ector County
86.2
Medium 6.11 / yr $2M
48 Wise County
85.7
Medium 14.68 / yr $2M
49 Navarro County
85.0
Medium 15.84 / yr $2M
50 Wood County
84.9
Medium 18.47 / yr $1M
51 Frio County
84.8
Medium 10.16 / yr $1M
52 Jim Wells County
84.4
Medium 15.38 / yr $1M
53 Liberty County
83.8
Medium 14.55 / yr $1M
54 Rusk County
83.7
Medium 19.63 / yr $2M
55 Bastrop County
83.6
Medium 10.53 / yr $2M
56 Cherokee County
82.9
Medium 19.11 / yr $1M
57 Victoria County
82.4
Medium 8.80 / yr $1M
58 Burnet County
82.1
Medium 6.74 / yr $1M
59 Bee County
82.1
Medium 9.26 / yr $1M
60 Uvalde County
81.9
Medium 7.05 / yr $1M
61 Starr County
81.5
Medium 7.05 / yr $875K
62 Kleberg County
80.9
Medium 17.07 / yr $1M
63 Lubbock County
80.6
Medium 2.37 / yr $1M
64 Atascosa County
80.5
Medium 11.11 / yr $995K
65 Upshur County
80.2
Medium 18.63 / yr $1M
66 Van Zandt County
80.0
Medium 16.05 / yr $2M
67 Hood County
79.6
Medium 14.11 / yr $1M
68 Cass County
79.6
Medium 19.11 / yr $972K
69 Wharton County
78.6
Low 14.21 / yr $986K
70 Anderson County
78.3
Low 15.47 / yr $996K
71 Walker County
78.2
Low 11.79 / yr $1M
72 Montague County
78.1
Low 14.11 / yr $1M
73 Cooke County
77.4
Low 15.53 / yr $1M
74 Polk County
77.1
Low 11.63 / yr $910K
75 Shelby County
76.8
Low 20.84 / yr $885K
76 Zavala County
76.8
Low 7.05 / yr $703K
77 Hopkins County
76.4
Low 15.84 / yr $1M
78 Hill County
75.7
Low 16.26 / yr $936K
79 Titus County
75.5
Low 18.16 / yr $950K
80 Panola County
75.3
Low 20.63 / yr $819K
81 Matagorda County
74.3
Low 14.67 / yr $868K
82 Orange County
74.1
Low 10.30 / yr $1M
83 Caldwell County
74.1
Low 10.68 / yr $882K
84 Medina County
74.0
Low 8.89 / yr $813K
85 Wilson County
73.9
Low 11.00 / yr $1M
86 Duval County
73.3
Low 9.00 / yr $587K
87 Randall County
73.2
Low 2.48 / yr $1M
88 Houston County
71.2
Low 11.74 / yr $587K
89 Potter County
70.9
Low 2.00 / yr $690K
90 Waller County
69.9
Low 12.69 / yr $756K
91 Coryell County
69.7
Low 11.63 / yr $881K
92 Val Verde County
69.4
Low 5.53 / yr $587K
93 Hardin County
69.0
Low 10.86 / yr $837K
94 Washington County
68.4
Low 11.68 / yr $593K
95 Jasper County
68.3
Low 10.92 / yr $594K
96 Kerr County
67.4
Low 3.89 / yr $548K
97 Wilbarger County
67.4
Low 13.63 / yr $587K
98 DeWitt County
66.6
Low 11.11 / yr $473K
99 La Salle County
66.2
Low 8.74 / yr $424K
100 Midland County
65.7
Low 6.11 / yr $818K
101 Milam County
65.1
Low 15.05 / yr $464K
102 Gonzales County
63.8
Low 11.42 / yr $443K
103 Palo Pinto County
63.2
Low 12.37 / yr $536K
104 Brewster County
62.6
Low 10.10 / yr $587K
105 Colorado County
62.2
Low 12.63 / yr $447K
106 Karnes County
62.2
Low 10.89 / yr $381K
107 Marion County
62.2
Low 19.68 / yr $378K
108 Brown County
61.5
Low 9.00 / yr $487K
109 Austin County
61.4
Low 12.68 / yr $509K
110 Pecos County
60.6
Low 6.26 / yr $404K
111 Camp County
60.4
Low 18.05 / yr $356K
112 Morris County
59.9
Low 18.21 / yr $365K
113 Young County
59.8
Low 12.26 / yr $538K
114 Llano County
59.4
Low 6.68 / yr $359K
115 Jack County
59.1
Low 12.89 / yr $587K
116 Erath County
58.9
Low 9.53 / yr $550K
117 Aransas County
58.8
Low 7.66 / yr $379K
118 Fayette County
58.6
Low 11.05 / yr $471K
119 Grimes County
58.3
Low 11.79 / yr $405K
120 Red River County
57.7
Low 18.11 / yr $341K
121 Willacy County
57.6
Low 7.56 / yr $300K
122 Tyler County
57.5
Low 11.11 / yr $334K
123 Limestone County
57.5
Low 15.68 / yr $328K
124 Howard County
57.4
Low 6.00 / yr $395K
125 San Jacinto County
57.3
Low 11.63 / yr $358K
126 San Augustine County
56.5
Low 20.74 / yr $289K
127 Bosque County
56.4
Low 13.84 / yr $391K
128 Live Oak County
55.5
Low 10.58 / yr $328K
129 Sabine County
55.3
Low 20.79 / yr $348K
130 Jackson County
55.1
Low 14.58 / yr $378K
131 Jones County
55.0
Low 10.42 / yr $353K
132 Lavaca County
54.4
Low 11.11 / yr $388K
133 Falls County
53.8
Low 15.63 / yr $305K
134 Trinity County
53.4
Low 11.68 / yr $264K
135 Calhoun County
52.7
Low 7.57 / yr $360K
136 Chambers County
52.7
Low 14.00 / yr $763K
137 Freestone County
51.7
Low 15.42 / yr $286K
138 Franklin County
50.5
Low 18.05 / yr $309K
139 Leon County
49.9
Low 15.26 / yr $277K
140 Robertson County
49.3
Low 15.16 / yr $269K
141 Eastland County
49.2
Low 9.16 / yr $264K
142 Rains County
47.9
Low 15.63 / yr $331K
143 Newton County
47.8
Low 10.80 / yr $207K
144 Burleson County
47.6
Low 11.53 / yr $263K
145 Gaines County
46.9
Low 3.89 / yr $212K
146 Lee County
46.6
Low 10.32 / yr $295K
147 Kendall County
46.2
Low 4.00 / yr $325K
148 Clay County
45.5
Low 16.42 / yr $290K
149 Presidio County
45.5
Low 5.97 / yr $156K
150 Nolan County
43.5
Low 9.58 / yr $168K
151 Callahan County
43.4
Low 9.53 / yr $216K
152 Comanche County
43.1
Low 9.11 / yr $175K
153 Gillespie County
42.8
Low 3.89 / yr $225K
154 Zapata County
42.2
Low 4.95 / yr $138K
155 Archer County
41.5
Low 15.68 / yr $237K
156 Refugio County
41.4
Low 10.14 / yr $164K
157 Madison County
40.5
Low 11.58 / yr $196K
158 Bandera County
40.1
Low 4.00 / yr $153K
159 Ward County
39.1
Low 5.53 / yr $150K
160 Scurry County
38.8
Very Low 5.68 / yr $183K
161 Stephens County
38.5
Very Low 11.79 / yr $213K
162 Lampasas County
37.9
Very Low 9.26 / yr $162K
163 Runnels County
37.1
Very Low 9.89 / yr $158K
164 Delta County
36.3
Very Low 15.74 / yr $174K
165 Reeves County
36.1
Very Low 5.30 / yr $145K
166 Coleman County
35.6
Very Low 9.32 / yr $124K
167 Hardeman County
35.0
Very Low 11.16 / yr $104K
168 McCulloch County
33.7
Very Low 8.42 / yr $126K
169 Brooks County
33.1
Very Low 7.37 / yr $100K
170 Bailey County
33.0
Very Low 1.37 / yr $93K
171 Baylor County
32.7
Very Low 13.74 / yr $99K
172 Hale County
32.4
Very Low 1.37 / yr $121K
173 Hutchinson County
32.2
Very Low 2.63 / yr $128K
174 Dawson County
31.8
Very Low 4.21 / yr $105K
175 Andrews County
31.1
Very Low 4.74 / yr $193K
176 Mitchell County
31.0
Very Low 6.68 / yr $114K
177 Haskell County
30.4
Very Low 10.84 / yr $118K
178 Blanco County
30.2
Very Low 4.84 / yr $131K
179 Knox County
30.1
Very Low 11.53 / yr $82K
180 Terry County
29.6
Very Low 2.37 / yr $95K
181 Goliad County
29.5
Very Low 8.11 / yr $105K
182 Lamb County
29.4
Very Low 1.47 / yr $88K
183 Winkler County
29.3
Very Low 6.63 / yr $106K
184 Hamilton County
29.1
Very Low 9.79 / yr $113K
185 Somervell County
28.8
Very Low 14.16 / yr $189K
186 Hockley County
27.6
Very Low 2.11 / yr $96K
187 Yoakum County
26.9
Very Low 2.05 / yr $65K
188 Deaf Smith County
26.2
Very Low 1.42 / yr $95K
189 Jim Hogg County
25.9
Very Low 4.47 / yr $57K
190 Crane County
25.3
Very Low 6.26 / yr $69K
191 Mills County
25.0
Very Low 8.84 / yr $67K
192 Kinney County
24.8
Very Low 5.74 / yr $58K
193 Kimble County
24.5
Very Low 6.21 / yr $56K
194 Hall County
24.3
Very Low 2.74 / yr $55K
195 Mason County
23.5
Very Low 6.79 / yr $56K
196 Gray County
23.4
Very Low 1.53 / yr $73K
197 Childress County
22.7
Very Low 3.58 / yr $69K
198 Moore County
22.6
Very Low 1.42 / yr $71K
199 San Saba County
22.6
Very Low 8.47 / yr $66K
200 Coke County
21.4
Very Low 10.00 / yr $61K
201 Swisher County
21.3
Very Low 1.16 / yr $54K
202 Parmer County
20.0
Very Low 1.00 / yr $64K
203 Jeff Davis County
20.0
Very Low 7.12 / yr $48K
204 Garza County
19.6
Very Low 3.00 / yr $38K
205 Real County
19.4
Very Low 3.58 / yr $34K
206 Martin County
19.2
Very Low 5.00 / yr $44K
207 Crosby County
19.1
Very Low 2.37 / yr $32K
208 Castro County
18.7
Very Low 1.11 / yr $38K
209 Upton County
17.9
Very Low 5.53 / yr $39K
210 Concho County
17.6
Very Low 9.16 / yr $40K
211 Briscoe County
16.8
Very Low 2.37 / yr $60K
212 Sutton County
16.6
Very Low 4.32 / yr $29K
213 Shackelford County
16.2
Very Low 10.68 / yr $62K
214 Donley County
16.0
Very Low 1.68 / yr $31K
215 Lynn County
16.0
Very Low 2.53 / yr $32K
216 Fisher County
15.8
Very Low 9.63 / yr $59K
217 Foard County
15.5
Very Low 11.53 / yr $30K
218 Reagan County
15.3
Very Low 5.11 / yr $33K
219 Hudspeth County
15.1
Very Low 3.71 / yr $27K
220 Throckmorton County
15.0
Very Low 10.79 / yr $32K
221 Floyd County
14.5
Very Low 1.79 / yr $26K
222 Culberson County
14.4
Very Low 4.49 / yr $18K
223 Menard County
14.0
Very Low 6.47 / yr $25K
224 Irion County
14.0
Very Low 8.58 / yr $24K
225 Crockett County
13.4
Very Low 4.89 / yr $31K
226 Wheeler County
13.3
Very Low 1.63 / yr $20K
227 Ochiltree County
13.1
Very Low 1.63 / yr $38K
228 Terrell County
12.6
Very Low 6.37 / yr $20K
229 Cottle County
12.4
Very Low 3.79 / yr $15K
230 Dickens County
12.1
Very Low 2.79 / yr $15K
231 Schleicher County
12.0
Very Low 4.42 / yr $21K
232 Collingsworth County
11.7
Very Low 2.37 / yr $19K
233 Motley County
11.3
Very Low 2.79 / yr $16K
234 Sterling County
11.2
Very Low 9.21 / yr $24K
235 Hansford County
10.6
Very Low 1.53 / yr $18K
236 Edwards County
10.6
Very Low 3.63 / yr $12K
237 Carson County
10.4
Very Low 1.68 / yr $26K
238 Dallam County
10.0
Very Low 0.74 / yr $16K
239 Armstrong County
9.9
Very Low 2.95 / yr $16K
240 McMullen County
9.8
Very Low 8.63 / yr $17K
241 Cochran County
9.2
Very Low 1.79 / yr $11K
242 Stonewall County
9.0
Very Low 4.00 / yr $11K
243 Lipscomb County
8.9
Very Low 1.47 / yr $14K
244 Hemphill County
8.8
Very Low 1.58 / yr $14K
245 Borden County
7.4
Very Low 5.68 / yr $9K
246 Hartley County
6.8
Very Low 0.95 / yr $13K
247 Oldham County
6.7
Very Low 1.74 / yr $8K
248 Kenedy County
6.5
Very Low 7.80 / yr $6K
249 Glasscock County
5.6
Very Low 5.42 / yr $6K
250 Sherman County
5.2
Very Low 1.05 / yr $7K
251 Kent County
5.1
Very Low 3.11 / yr $6K
252 King County
4.1
Very Low 3.89 / yr $3K
253 Roberts County
3.4
Very Low 2.05 / yr $4K
254 Loving County
2.6
Very Low 5.40 / yr $720

254 Texas counties with measurable heat wave risk. See the national heat wave ranking or all Texas counties by overall risk.

Frequently Asked Questions

Which Texas county has the highest heat wave risk?

Dallas County has the highest FEMA heat wave risk score in Texas at 99.9 (Very High), with $288M in expected annual losses and about 19.11 events per year.

How many Texas counties face significant heat wave risk?

254 Texas counties record measurable heat wave risk in FEMA's National Risk Index; 13 of them are rated High or Very High.

Other Hazards in Texas

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