Louisville, Kentucky – St. Patrick’s Day week across Kentucky could bring a late-season taste of winter as colder air sliding south from Canada raises the possibility of snow just days before the official start of spring.
According to the NOAA Climate Prediction Center’s 8–14 day outlook, the period from March 15 through March 21 favors above-normal precipitation across parts of the Ohio Valley and eastern United States, while temperatures trend below seasonal averages across much of the Midwest and East. The pattern develops as a large cold boundary stretches from Maine through the Great Lakes and south toward Georgia and northern Florida, allowing colder Canadian air to spill into the Ohio Valley.
That setup could place Louisville, Lexington, Bowling Green, Covington, and Owensboro in a corridor where incoming storm systems interact with colder air, increasing the chance for late-season snow or rain transitioning to snow during St. Patrick’s Day week.
Drivers along major travel corridors including Interstate 64, Interstate 65, Interstate 75, and the Bluegrass Parkway should monitor conditions closely if storm systems begin organizing across the region. Even light snowfall during mid-March can create slick bridges and reduced visibility during overnight hours and the morning commute.
The timing stands out because daylight saving time begins this weekend, yet winterlike conditions may linger across the Ohio Valley even as the first day of spring arrives later that week.
Forecasters expect additional updates over the coming days as the mid-March pattern becomes clearer, and advisories could follow if storm systems align with the colder air mass across the region.
