In McKinney, Texas, today marks a significant day as the nation observes the 23rd anniversary of the 9/11 attacks. While there isn't specific local news from the past 24 hours detailing high school sports scores, pollen count, or air quality, there are several notable events and updates worth highlighting.

**Honoring 9/11 Heroes**
Just a day ago, on September 10, Collin College unveiled a World Trade Center memorial, featuring a piece of the twin towers. This memorial, located at the college's Law Enforcement and Fire Science Academy, is dedicated to honoring the first responders who risked their lives on that fateful day. The display aims to remind young students to "never forget" the sacrifices made.

**Community Events**
Although there are no specific events listed for today, McKinney has been bustling with activities in recent weeks. The city celebrated National Library Week in April, highlighting the exceptional services provided by library staff. Additionally, the annual Arts In Bloom festival took place in April, offering a weekend of artistic enchantment and live music in Historic Downtown McKinney.

**Local Developments**
McKinney continues to grow and develop. The city council recently approved a development agreement for a 20,000-seat open-air amphitheater, set to be built on 46 acres at the northeast corner of U.S. 75 and S.H. 121. This project is expected to enhance the city's cultural and entertainment scene.

**Weather and Other Updates**
As of today, the weather in McKinney is expected to be warm, with temperatures reaching the mid-80s. However, there are no specific weather alerts or unusual conditions reported. The city's usual activities, such as the McKinney Farmers Market, continue to attract residents and visitors alike.

In summary, while today is a day of reflection and remembrance, McKinney remains vibrant and active, with ongoing community events and significant local developments.