In McKinney, Texas, the past week has been marked by significant events, though the last 24 hours have been relatively calm in terms of major news.

### Weather
As of November 21, 2024, McKinney is experiencing mild autumn weather. The temperature is around 62°F, with a high expected to reach the mid-70s and a low in the upper 50s. The skies are mostly clear, making it a pleasant day for outdoor activities.

### Recent Tragedy
Just over the weekend, McKinney was shaken by a double homicide that occurred near the intersection of Chestnut and Colorado streets. Two brothers, 17-year-old Kajarryawn Mack and 22-year-old Lamarrya Ransem, lost their lives due to gunshot wounds. The McKinney police have arrested three individuals in connection with the shooting: 21-year-old Roman Miguel Castillo and two juvenile suspects, all of whom are charged with capital murder. The community has come together to support the victims' families and aid in the investigation[1][2].

### Community Events
Despite the somber mood following the tragedy, McKinney is gearing up for the holiday season. The annual Christmas tree lighting is scheduled for November 29 in downtown McKinney, a cherished tradition that brings the community together. Additionally, the McKinney Public Libraries will be closed from November 27 to 29 for Thanksgiving but will reopen on November 30[3].

### Health and Environment
There has been no recent update on the pollen count or air quality in McKinney. However, it is worth noting that earlier in the year, there was an increase in cases of Flea-borne Typhus in the area, prompting public health advisories[3].

### Local Sports
While specific high school sports scores for the last 24 hours are not available, McKinney's schools have been active in various sports throughout the season. The community remains supportive of their local teams, and upcoming games are anticipated to draw significant attendance.

In summary, McKinney is navigating a mix of somber reflection and community spirit as it moves forward from a tragic event and prepares for festive celebrations. The weather is favorable, and community events are on the horizon, offering a sense of normalcy and unity.