Weather Alerts for Plano, Collin County, Texas

Issued by the National Weather Service

Heat Advisory  HEAT ADVISORY   Heat Advisory
PLANO, COLLIN COUNTY, TEXAS

Areas Affected:
Grayson - Fannin - Lamar - Denton - Collin - Hunt - Delta - Hopkins - Tarrant - Dallas - Rockwall - Kaufman - Van Zandt - Rains - Johnson - Ellis - Henderson - Bosque - Hill - Navarro - Freestone - Anderson - Bell - McLennan - Falls - Limestone - Leon - Milam - Robertson
Effective: Wed, 8/20 2:51am Updated: Wed, 8/20 1:10pm Urgency: Expected
Expires: Wed, 8/20 7:00pm Severity:  Moderate  Certainty: Likely

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

* WHERE...Portions of North and Central Texas.

* WHEN...Until 7 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.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Do not leave young children and pets in unattended
vehicles.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see 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 9 1 1.

Air Quality Alert  AIR QUALITY ALERT   Air Quality Alert
PLANO, COLLIN COUNTY, TEXAS

Areas Affected:
Wise - Denton - Collin - Hunt - Parker - Tarrant - Dallas - Rockwall - Kaufman - Hood - Johnson - Ellis - Henderson
Effective: Tue, 8/19 3:06pm Updated: Wed, 8/20 1:10pm Urgency: Unknown
Expires: Wed, 8/20 6:15pm Severity: Unknown Certainty: Unknown

 
Details:
AQAFWD

The Texas Commission on Environmental Quality (TCEQ) has issued
an Ozone Action Day for the Dallas-Fort Worth area for Wednesday,
August 20, 2025.

Atmospheric conditions are expected to be favorable for producing
high levels of ozone air pollution in the Dallas-Fort Worth area
on Wednesday. You can help prevent ozone pollution by sharing a
ride, walking, riding a bicycle, taking your lunch to work,
avoiding drive-through lanes, conserving energy, and keeping your
vehicle properly tuned.

For more information on ozone:

Ozone: The Facts (www.tceq.texas.gov/goto/ozonefacts)

Air North Texas: (www.airnorthtexas.org)

EPA Air Now
(www.airnow.gov/index.cfm?action.local_state&STATEID=45&TAB=0)

Take care of Texas (www.takecareoftexas.org)

North Central Texas Council of Governments Air Quality
(www.nctcog.org/trans/air/index.asp)