County: Collin
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Dallas
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Denton
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Ellis
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Hood
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Johnson
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Kaufman
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Parker
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Rockwall
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Tarrant
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.

County: Wise
Issued: 12:37 PM - Tue, Aug 25, 2026
Begins: 12:37 PM - Tue, Aug 25, 2026
Expires: 1:30 AM - Wed, Aug 26, 2026

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 108. For the Heat Advisory, temperatures up
to 104 and heat index values up to 108.

* WHERE...A portion of North and Central Texas.

* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat Advisory, from 9 PM this evening to 9 PM CDT
Wednesday.

* 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.

* ADDITIONAL DETAILS...Hot and dry conditions are increasing the risk
of wildfires! Extreme care is urged during all outside activities
where there is a potential for fires to get started.

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.