A significant cold snap is gripping multiple regions of the United States, including western Pennsylvania and southern Connecticut, leading to freeze warnings and frost advisories. The National Weather Service has cautioned that temperatures could drop to 30 degrees Fahrenheit overnight, with inland areas experiencing lows in the upper 20s. This sudden chill poses a serious threat to crops and sensitive outdoor vegetation, as even a few hours of freezing temperatures can damage weeks of growth. Farmers and gardeners are urged to take protective measures against the frost. While daytime temperatures are struggling to exceed the upper 40s, relief is on the way, with a gradual warm-up expected to begin on Tuesday. By midweek, temperatures are forecasted to rise into the upper 60s, bringing more typical spring conditions. The widespread nature of this cold snap extends from the mid-Atlantic to the Midwest and as far south as North Carolina.