Multiple regions across the United States are experiencing a cold snap, with frost advisories and freeze warnings prevalent in areas such as Connecticut and Greater Boston. In the Midwest, Northeast Ohio saw hail and graupel, indicating early signs of winter. Portland and parts of Oregon are expecting rain and possibly snow in higher elevations, while temperatures are dropping below 60 degrees for the first time this fall. In the South, Mississippi and Jackson are experiencing chilly mornings with temperatures in the upper 30s and 40s, although a warm-up is expected by the weekend. Despite the current cold conditions, many areas are expecting a warming trend heading into the weekend with temperatures climbing back to seasonal averages.