While the first half of the month saw seasonable temperatures, in the third week early spring warmth bathed the region with readings peaking in the 80s in some spots from the 21st to the 23rd. However the final week of the month was a return to late winter temperatures as the mercury dropped below freezing on several nights and often struggled to get out of the 40s during the day.
That late-month temperature change was ushered in by a cold front that also brought us our only severe weather event of the entire month. On the 23rd thunderstorms first broke out over southern Indiana early in the afternoon and slid to the southeast, exiting southern Kentucky by early evening. Several storms produced hail, such as the golf ball sized hailstones in Russellville (Logan County) that were accompanied by 60mph winds.
Widespread moderate rains on the 5th were followed quickly by heavy rain on the 8th and 9th which led to river flooding. The Ohio River at Louisville reached its highest stage in six years, cresting at 26.6 feet at McAlpine Upper.
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Louisville set a record warm minimum of 67° on the 21st.
Flooding in Louisville on the 12th. Photo: NWS