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Weather Today in McKinney, Texas

Tuesday, September 1, 2026

⚠️ Active Alerts

Air Quality Alert: AQAFWD The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Dallas-Fort Worth area for Tuesday, September 1, 2026. Atmospheric conditions are expected to be favorable for producing high levels of ozone air pollution in the Dallas-Fort Worth area on Tuesday. 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.

Current Conditions

It's currently 77° and Slight Chance Rain Showers then Mostly Clear in McKinney, Texas.

Hourly + Daily Forecast

Tonight
77°
Slight Chance Rain Showers then Mostly Clear
Wednesday
97°
Sunny then Slight Chance Showers And Thunderstorms
Wednesday Night
76°
Chance Showers And Thunderstorms
Thursday
94°
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Thursday Night
76°
Slight Chance Showers And Thunderstorms then Mostly Clear
Friday
97°
Slight Chance Rain Showers
Friday Night
77°
Mostly Clear

Live data

About this page

This page is auto-synthesized from live data sources (NOAA/NWS for forecasts, National Weather Service for alerts) and updates throughout the day. Data is sourced from authoritative federal and state agencies; McKinney News does not generate weather data itself.

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