Louisville, Kentucky – St. Patrick’s Day week in Kentucky could bring a late-season return to winter as colder air pushing 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 the eastern United States, while temperatures are expected to trend below seasonal averages across much of the Midwest and East. The pattern forms as a large cold boundary stretches from Maine through the Great Lakes and south toward Georgia and northern Florida, allowing colder Canadian air to flow into the Ohio Valley.
This setup could place Louisville, Lexington, Bowling Green, Covington, and Owensboro in a corridor where incoming storm systems interact with colder air, raising the likelihood of late-season snow or rain changing to snow during St. Patrick’s Day week.
Drivers along major travel routes, including Interstate 64, Interstate 65, Interstate 75, and the Bluegrass Parkway, should closely watch conditions if storm systems begin developing across the region. Even light snowfall in mid-March can create slick bridges and reduce visibility during overnight hours and the morning commute.
The timing is notable because daylight saving time begins this weekend, yet winterlike conditions may still linger across the Ohio Valley even as the first day of spring arrives later that week.
Forecasters expect more updates in the coming days as the mid-March weather pattern becomes clearer, and advisories could follow if storm systems align with the colder air mass across the region.
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