Strong thunderstorms are threatening to ruin St. Patrick's Day celebrations from southern Missouri to southern Indiana this evening.
The stage is set for more potent thunderstorms to erupt from St. Louis and Poplar Bluff, Mo., to Louisville, Ky., this evening with record warmth and moist air in place.
Other cities in the path of the thunderstorms include Cape Girardeau, Mo., Paducah, Ky., and Evansville, Ind.
Some of the same areas being threatened this St. Patrick's Day were the targets of the massive tornado outbreak earlier this month.
A repeat of that outbreak is not expected since any tornado that touches down into this evening will be an isolated event. Damaging winds, hail and flooding downpours are greater concerns.
Even if a storm-related warning is not issued for your area, be sure to seek shelter immediately once thunder is heard. The sound of thunder means you are close enough to get struck by lightning.
The severe weather danger will lessen across the lower Ohio Valley later this evening following the loss of daytime heating.
Attention will then turn toward an outbreak of severe weather, including tornadoes, that will expand from the southern Plains to the South and Ohio Valley next week.
Showers and thunderstorms threaten to interfere with Memorial Day festivities across roughly two-thirds of the United States.
Another round of heavy rain and thunderstorms will move into the Plains over Memorial Day weekend, bringing the threat of flooding.
Memorial Day marks the unofficial start to summer and summer warmth will dominate the Northeast next week, but that does not mean an end to shots of cooler air.
Beachgoers heading to the Southeast coast this Memorial Day holiday weekend are being put on alert for dangerous rip currents.
The several disturbances pose the threat to become the first named tropical system in the Eastern Pacific Ocean over the next week.
An area of low pressure will continue to bring drenching showers and thunderstorms across Italy and the Balkans through the beginning of the week.
Bahler, KS (2007)
8.25 inches of rain in 24 hours, from the 22nd to 23rd.
New Hampshire (1814)
Merrimac, Litchfield, Londonderry and North Chester, NH; Tornado and hailstones with 11-inch circumference weighing 1/2 pound.
Late May snowstorm blanketed eastern part of state with 4 to 6 inches.