Flood Watch

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of north central and northeast Iowa, including the following counties, in north central Iowa, Butler, Cerro Gordo and Worth. In northeast Iowa, Black Hawk and Bremer.

* WHEN...From 7 PM CDT this evening through Saturday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS... - Training storms and heavy rainfall may lead to an increased potential for flash flooding. Rainfall amounts of 2 to 3 inches is expected, with locally higher amounts possible.