County: Collin Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Dallas Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Denton Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Ellis Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Hood Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Johnson Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Kaufman Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Parker Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Rockwall Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Tarrant Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.
County: Wise Issued: 12:57 PM - Wed, Jun 17, 2026 Begins: 12:57 PM - Wed, Jun 17, 2026 Expires: 1:00 AM - Thu, Jun 18, 2026
* WHAT...Heat index values up to 110 expected.
* WHERE...All of North and Central Texas.
* WHEN...From noon to 9 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
A Heat Advisory means that afternoon heat index values are expected to meet or exceed 105 degrees. Take extra precautions when outside by staying hydrated, wearing lightweight and loose fitting clothing, and limiting strenuous activities to early morning or evening. 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 during outdoor work, 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.