The upcoming weekend across various regions in the United States will feature fall-like weather with cooler temperatures and clear skies. In the Mid-South, temperatures will be in the 70s during the day and drop to the 40s and 50s at night; a warm-up back to the 90s is expected next week. Omaha will experience beautiful weather on Saturday with a warm-up anticipated next week. Chicago will see cool, breezy conditions with dangerous waves along Lake Michigan. The Sooner state and the Tennessee Valley will both enjoy clear skies and cooler temperatures, with highs in the 80s and lows dipping into the 50s. A tropical wave could bring rain to the northern Gulf Coast by mid-week.