A New Severe Thunderstorm Warning has been issued for Clayton County in NE Iowa until 4:15. This is for a storm that was located NW of Elkader moving SE at 16 mph. On the current track it would be going through Elkader, Garber, Littleport and Guttenburg in the next hour. Other thunderstorms forming along the line could become severe as well including a storm in SE Butler County near New Hartford. A storm on the Grundy Hardin County line and a small storm in Central Tama county.