Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Dallas/Fort Worth, TX

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549
WWUS74 KFWD 171745
NPWFWD

URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1245 PM CDT Mon Aug 17 2026

TXZ091>095-100>107-115>123-129>134-180600-
/O.NEW.KFWD.XH.W.0002.260818T1700Z-260819T0100Z/
/O.EXT.KFWD.HT.Y.0025.000000T0000Z-260818T1700Z/
Montague-Cooke-Grayson-Fannin-Lamar-Young-Jack-Wise-Denton-Collin-
Hunt-Delta-Hopkins-Stephens-Palo Pinto-Parker-Tarrant-Dallas-
Rockwall-Kaufman-Van Zandt-Rains-Eastland-Erath-Hood-Somervell-
Johnson-Ellis-
Including the cities of Weatherford, Emory, Bowie, Flower Mound,
Kaufman, Frisco, Greenville, Oak Trail Shores, Glen Rose, Fort Worth,
East Tawakoni, Breckenridge, Cisco, Sherman, Bridgeport, Allen,
Gainesville, Waxahachie, Forney, Granbury, Heath, Commerce,
Jacksboro, Terrell, Bonham, Cleburne, Ennis, Dallas, Olney, Burleson,
Eastland, Mineral Wells, Gorman, Carrollton, Cooper, Edgewood, Van,
Briar, Midlothian, Rockwall, Ranger, Nocona, Grand Saline, Wills
Point, Denton, Dublin, Sulphur Springs, Paris, McKinney, Lewisville,
Graham, Plano, Denison, Arlington, Point, Stephenville, Decatur, and
Canton
1245 PM CDT Mon Aug 17 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL NOON CDT TUESDAY...
...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT TUESDAY...

* WHAT...For the Heat Advisory, heat index values up to 106. For the
  Extreme Heat Warning, dangerously hot conditions with temperatures
  values up to 108 expected.

* WHERE...Portions of North Texas.

* WHEN...For the Heat Advisory, until noon CDT Tuesday. For the
  Extreme Heat Warning, from noon to 8 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity will increase the risk for heat-related illnesses to
  occur, particularly for those working or participating in outdoor
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.

Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.

Extreme heat is dangerous, especially for those without reliable
shelter. Limit time outdoors during the hottest time of the day,
typically from 2 to 7 PM, rest in the shade when possible, and drink
plenty of water. Locate nearby cooling centers through local
resources or dial 2-1-1 in Texas.

&&

$$

TXZ141>143-156>158-174-180600-
/O.NEW.KFWD.HT.Y.0027.260818T1700Z-260819T0100Z/
Comanche-Mills-Hamilton-Lampasas-Coryell-Bell-Milam-
Including the cities of Comanche, Lampasas, Hico, De Leon,
Gatesville, Fort Hood, Temple, Cameron, Rockdale, Goldthwaite,
Copperas Cove, Hamilton, and Killeen
1245 PM CDT Mon Aug 17 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT TUESDAY...

* WHAT...Heat index values up to 105 expected.

* WHERE...Bell, Comanche, Coryell, Hamilton, Lampasas, Mills, and
  Milam Counties.

* WHEN...From noon to 8 PM CDT Tuesday.

* IMPACTS...Hot temperatures and high humidity will increase the risk
  for heat-related illnesses to occur, particularly for those working
  or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.

Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.

&&

$$

TXZ135-146-148-180600-
/O.EXT.KFWD.HT.Y.0025.000000T0000Z-260819T0100Z/
Henderson-Navarro-Anderson-
Including the cities of Palestine, Athens, Gun Barrel City, and
Corsicana
1245 PM CDT Mon Aug 17 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT TUESDAY...

* WHAT...Heat index values up to 106.

* WHERE...Navarro, Anderson, and Henderson Counties.

* WHEN...Until 8 PM CDT Tuesday.

* IMPACTS...Hot temperatures and high humidity will increase the risk
  for heat-related illnesses to occur, particularly for those working
  or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.

Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.

&&

$$

TXZ144-145-147-159>162-175-180600-
/O.EXT.KFWD.HT.Y.0026.000000T0000Z-260819T0100Z/
Bosque-Hill-Freestone-McLennan-Falls-Limestone-Leon-Robertson-
Including the cities of Meridian, Jewett, Franklin, Waco, Buffalo,
Clifton, Calvert, Hillsboro, Groesbeck, Centerville, Normangee,
Marlin, Teague, Oakwood, Mexia, Fairfield, Wortham, Valley Mills, and
Hearne
1245 PM CDT Mon Aug 17 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT TUESDAY...

* WHAT...Heat index values up to 107.

* WHERE...Bosque, Falls, Freestone, Hill, Limestone, McLennan, Leon,
  and Robertson Counties.

* WHEN...Until 8 PM CDT Tuesday.

* IMPACTS...Hot temperatures and high humidity will increase the risk
  for heat-related illnesses to occur, particularly for those working
  or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions when outside by staying hydrated, wearing
lightweight and loose fitting clothing, and limiting strenuous
activities to the early morning or evening. Check up on relatives and
neighbors. Never leave young children or pets in an enclosed vehicle,
even for a short time, as temperatures can quickly rise to
life-threatening levels.

Know the signs and symptoms of heat exhaustion and heat stroke. To
reduce risk when outdoors, the occupational safety and health
administration recommends scheduling frequent rest breaks in shaded
or air conditioned environments. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 911 ASAP if you or someone you know is exhibiting signs of heat
stroke.

&&

$$

Hernandez