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

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503
WWUS74 KFWD 210547
NPWFWD

URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
1247 AM CDT Fri Aug 21 2026

TXZ091>095-100>107-115>123-131>134-211800-
/O.CON.KFWD.XH.W.0002.000000T0000Z-260822T0100Z/
Montague-Cooke-Grayson-Fannin-Lamar-Young-Jack-Wise-Denton-Collin-
Hunt-Delta-Hopkins-Stephens-Palo Pinto-Parker-Tarrant-Dallas-
Rockwall-Kaufman-Van Zandt-Rains-Hood-Somervell-Johnson-Ellis-
Including the cities of Nocona, Bridgeport, Kaufman, Greenville,
Carrollton, Emory, Decatur, Heath, Forney, Cleburne, Dallas, Canton,
Waxahachie, Mineral Wells, Breckenridge, Wills Point, East Tawakoni,
Ennis, Lewisville, Plano, Sherman, Jacksboro, McKinney, Commerce,
Sulphur Springs, Graham, Flower Mound, Fort Worth, Olney, Glen Rose,
Allen, Weatherford, Edgewood, Briar, Rockwall, Grand Saline,
Gainesville, Denison, Bowie, Midlothian, Denton, Arlington, Point,
Granbury, Cooper, Oak Trail Shores, Burleson, Frisco, Bonham, Van,
Paris, and Terrell
1247 AM CDT Fri Aug 21 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 108
  degrees.

* WHERE...North Texas.

* WHEN...Until 8 PM CDT this evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

&&

$$

TXZ129-130-141>143-156>158-174-211800-
/O.CON.KFWD.HT.Y.0027.000000T0000Z-260822T0100Z/
Eastland-Erath-Comanche-Mills-Hamilton-Lampasas-Coryell-Bell-Milam-
Including the cities of Goldthwaite, Dublin, Cameron, Hico, Hamilton,
Fort Hood, Killeen, Temple, Stephenville, De Leon, Gatesville,
Comanche, Gorman, Ranger, Rockdale, Eastland, Copperas Cove, Cisco,
and Lampasas
1247 AM CDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Temperatures up to 104 and heat index values up to 108.

* WHERE...Portions of Central Texas

* WHEN...Until 8 PM CDT this evening.

* 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.

&&

$$

TXZ135-146-148-211800-
/O.CON.KFWD.HT.Y.0025.000000T0000Z-260822T0100Z/
Henderson-Navarro-Anderson-
Including the cities of Palestine, Corsicana, Gun Barrel City, and
Athens
1247 AM CDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Heat index values up to 110.

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

* WHEN...Until 8 PM CDT this evening.

* 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>162-175-211800-
/O.CON.KFWD.HT.Y.0026.000000T0000Z-260822T0100Z/
Bosque-Hill-Freestone-McLennan-Falls-Limestone-Leon-Robertson-
Including the cities of Oakwood, Hillsboro, Hearne, Teague,
Centerville, Clifton, Wortham, Mexia, Normangee, Jewett, Valley
Mills, Franklin, Waco, Meridian, Marlin, Groesbeck, Buffalo,
Fairfield, and Calvert
1247 AM CDT Fri Aug 21 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Heat index values up to 109.

* WHERE...Portions of Central Texas

* WHEN...Until 8 PM CDT this evening.

* 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