 The National Weather Service in Des Moines has issued a severe thunderstorm warning for southwestern Monroe County in south-central Iowa, southeastern Lucas County in south-central Iowa, Wayne County in south-central Iowa, northwestern Athanous County in south-central Iowa, until 3 p.m. At 2.10 p.m., a severe thunderstorm was located near Millerton, or 8 miles north of Cordon, moving southeast at 30 mph.