Denton, TX Warnings, Watches and Advisories

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Denton.

Use the Radar Maps link provided to understand the trajectory of a storm.

Heat Advisory issued August 26 at 4:01PM CDT until August 26 at 7:00PM CDT by NWS Corpus Christi TX

* WHAT...Heat index values up to 113. * WHERE...Bee, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Duval, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, Live Oak, McMullen, and Victoria Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Air Quality Alert issued August 26 at 3:26PM CDT by NWS Fort Worth TX

AQAFWD The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Dallas-Fort Worth area for Thursday, August 27, 2026. Atmospheric conditions are expected to be favorable for producing high levels of ozone air pollution in the Dallas-Fort Worth area on Thursday. 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)

Severe Thunderstorm Watch issued August 26 at 3:10PM CDT until August 26 at 10:00PM CDT by NWS Shreveport LA

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 628 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ARKANSAS THIS WATCH INCLUDES 9 COUNTIES IN SOUTH CENTRAL ARKANSAS UNION IN SOUTHWEST ARKANSAS COLUMBIA HEMPSTEAD HOWARD LAFAYETTE LITTLE RIVER MILLER NEVADA SEVIER IN OKLAHOMA THIS WATCH INCLUDES 1 COUNTY IN SOUTHEAST OKLAHOMA MCCURTAIN IN TEXAS THIS WATCH INCLUDES 7 COUNTIES IN NORTHEAST TEXAS BOWIE CAMP CASS FRANKLIN MORRIS RED RIVER TITUS THIS INCLUDES THE CITIES OF ASHDOWN, ATLANTA, BOGATA, BRADLEY, BROKEN BOW, CLARKSVILLE, DAINGERFIELD, DE QUEEN, DIERKS, EL DORADO, HOPE, HUGHES SPRINGS, IDABEL, LEWISVILLE, LINDEN, LONE STAR, MAGNOLIA, MINERAL SPRINGS, MOUNT PLEASANT, MOUNT VERNON, NAPLES, NASHVILLE, OMAHA, PITTSBURG, PRESCOTT, QUEEN CITY, STAMPS, TEXARKANA, AND TEXARKANA.

Heat Advisory issued August 26 at 12:39PM CDT until August 26 at 7:00PM CDT by NWS Austin/San Antonio TX

* WHAT...Temperatures up to 105 and heat index values up to 107 expected this afternoon. * WHERE...Burnet and Llano Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 26 at 12:39PM CDT until August 27 at 7:00PM CDT by NWS Austin/San Antonio TX

* WHAT...Temperatures up to 104 and heat index values up to 111 expected each afternoon. * WHERE...Bastrop, Travis, and Williamson Counties. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 26 at 12:39PM CDT until August 27 at 7:00PM CDT by NWS Austin/San Antonio TX

* WHAT...Temperatures up to 104 and heat index values up to 112 expected each afternoon. * WHERE...Atascosa, Bexar, Comal, De Witt, Guadalupe, Hays, Karnes, and Wilson Counties. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 26 at 12:39PM CDT until August 27 at 7:00PM CDT by NWS Austin/San Antonio TX

* WHAT...Temperatures up to 104 and heat index values up to 113 expected each afternoon. * WHERE...Caldwell, Fayette, Gonzales, Lavaca, and Lee Counties. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 26 at 11:45AM CDT until August 26 at 7:00PM CDT by NWS Shreveport LA

* WHAT...Heat index values up to 109. * WHERE...Portions of southwest Arkansas, north central and northwest Louisiana, and east and northeast Texas. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 26 at 11:31AM CDT until August 26 at 7:00PM CDT by NWS Houston/Galveston TX

* WHAT...Heat index values 107 to 112. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 26 at 11:20AM CDT until August 26 at 9:00PM CDT by NWS Fort Worth TX

* WHAT...Heat index values up to 105. * WHERE...Comanche, Erath, Hamilton, Lampasas, and Mills Counties. * WHEN...Until 9 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.

Heat Advisory issued August 26 at 11:20AM CDT until August 27 at 8:00PM CDT by NWS Fort Worth TX

* WHAT...Heat index values of 105 to 108 expected. * WHERE...Portions of north and central Texas. * WHEN...Until 8 PM CDT Thursday. * 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.

Heat Advisory issued August 26 at 5:57AM MDT until August 26 at 9:00PM MDT by NWS El Paso Tx/Santa Teresa NM

* WHAT...High temperatures of 103 to 106 * WHERE...The Rio Grande Valley below El Paso through Hudspeth County * WHEN...From 11 AM this morning to 9 PM MDT this evening. * IMPACTS...Hot temperatures and may cause heat illnesses.

Heat Advisory issued August 25 at 10:17PM CDT until August 26 at 7:00PM CDT by NWS Lake Charles LA

* WHAT...Heat index values up to 110 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...From 11 AM to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Air Quality Alert issued August 25 at 2:35PM CDT by NWS Fort Worth TX

AQAFWD The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Dallas-Fort Worth area for Wednesday, August 26, 2026. 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)