San Antonio is bracing for a significant shift in weather conditions this weekend, with the season's first freeze anticipated by Sunday morning. As reported by KSAT, the skies are expected to clear on Saturday night, leading to a sharp drop in temperatures below freezing by sunrise on Sunday. The approaching cold front, set to arrive on Friday, will usher in gusty winds reaching speeds of up to 30 mph, causing temperatures to plummet into the 40s after sunset.