The Missouri State Emergency Management Agency says the drill will now be at 1:30 p.m. Thursday.
The warning system is intended for outdoor notification only and the sirens are not designed to alert people inside of buildings.
St. Louis County is ordering more tornado sirens after running tests two weeks ago.
Pushed back to next week.
It turns out that 185 newly-installed sirens aren’t quite enough to provide full coverage throughout the county.
Two of Jefferson City’s 15 warning sirens currently are not working, and many are old.
Severe storm passed through Wednesday, phone warning arrived Thursday.
Some say they pay more attention after recent storms