A few thunderstorms have begun to develop in eastern Iowa. A severe thunderstorm watch has been issued until 10pm for the following counties, Clayton, Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry, Iowa, Jackson, Jefferson, Johnson, Jones, Keokuk, Lee, Linn, Louisa, Muscatine, Scott, Van Buren and Washington. The threats remain the same as this morning.