Hourly Weather | Today Wednesday, August 26, 2026
Active Weather Warnings
Frisco, Texas
9 PM
Cloudy Night
90°
Feels Like 91°
47
Humidity: 54%
UV Index: 0
Wind: 6 mph
10 PM
Stormy Weather
82°
Feels Like 88°
51
Humidity: 74%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
82°
Feels Like 86°
24
Humidity: 72%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
158 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 69.91 µg/m³
  • PM10: 70.34 µg/m³
  • O3: 0.065 ppm
  • NO2: 4.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.48 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

10 PM
159 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 72.65 µg/m³
  • PM10: 73.08 µg/m³
  • O3: 0.059 ppm
  • NO2: 4.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.49 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

11 PM
158 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 70.33 µg/m³
  • PM10: 70.8 µg/m³
  • O3: 0.052 ppm
  • NO2: 4.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.47 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

Weather Alerts and Warnings for Frisco

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 26 at 11:20AM CDT until August 27 at 8:00PM CDT by NWS Fort Worth TX
Aug 26, 11:20 AM Aug 27, 8:00 PM
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.
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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.
Updated: Aug 26, 6:51 PM Source: NWS Alert

Air Quality Alert

Air Quality Alert issued August 26 at 3:26PM CDT by NWS Fort Worth TX
Aug 26, 3:26 PM Aug 27, 6:30 PM
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)
Updated: Aug 26, 6:51 PM Source: NWS Alert