Chicago is currently experiencing lake-effect chills as spring commences, resulting in decreased temperatures and strong winds. This weather pattern arises when frigid air travels across the comparatively warmer waters of Lake Michigan. The disparity in temperature destabilizes the lower atmospheric layers, leading to localized cooling and increased wind speeds, especially near the lakefront. Residents should expect temperatures to remain below the typical seasonal average, with daytime highs hovering around the mid-40s Fahrenheit (approximately 7 degrees Celsius). These chilly conditions are expected to disrupt outdoor activities and various local events scheduled for the weekend. It is recommended that individuals planning outdoor activities dress warmly and take precautions against the cold.