OMAHA, Neb. (KMTV) — If you hear tornado sirens throughout the week, Douglas County says there's not necessarily cause for concern.
The Douglas County Emergency Management Agency says intermittent siren testing will be occurring through Friday.
Each testing will occur for about 15 seconds. The National Weather Service will also be running a
full-sound siren test
this Wednesday which will last for about three minutes at approximately 10:15 a.m.