Today | Weather | Wednesday, August 26, 2026

Active Weather Warnings

Weather in Frisco, Texas

07:33 PM

Now

93° F

Feels Like 93°

Precipitation 43 %

Wind 7 mph

UV Index (0 - 11+) 0

Humidity 44 %

Today

Day 102°

Night 73°

Precipitation 40 %

Wind 8 mph

UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Frisco Weather Forecast Updated

42 minutes ago

Last updated on August 26, 2026 at 6:51 PM

Weather Forecast History

Last Year's Weather on This Day (August 26, 2025)

Day

88°

Night

70°

Wind

9 mph

Precipitation

80 %

Air Quality in Frisco

NOW

158 AQI

Unhealthy air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 70.92 µg/m³

PM₁₀ 71.35 µg/m³

O₃ 0.073 ppm

NO₂ 6 ppb

SO₂ 0.8 ppb

CO 0.48 ppm

NH₃ 3.87 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 70.92 µg/m³

PM₁₀ – 71.35 µg/m³

O₃ – 142.47 µg/m³

NO₂ – 11.2 µg/m³

SO₂ – 2.18 µg/m³

CO – 548.42 µg/m³

NH₃ – 3.87 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

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.

+ Read More

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)