St. Charles County Regional Emergency Management

St. Charles County Regional Emergency Management Promoting unified coordination of disaster preparedness, response and recovery.

The Outdoor Warning Siren Test has been cancelled today (5/4) due to active weather coming into the area.
05/04/2026

The Outdoor Warning Siren Test has been cancelled today (5/4) due to active weather coming into the area.

Today (4/30) at 11 a.m. is the quarterly Wireless Emergency Alert (WEA) Test. Only phones that are enabled to receive s...
04/30/2026

Today (4/30) at 11 a.m. is the quarterly Wireless Emergency Alert (WEA) Test. Only phones that are enabled to receive state and local 𝙩𝙚𝙨𝙩 alerts will receive the message.
For more information about WEA and answers to commonly asked questions, visit: https://www.fcc.gov/.../guides/wireless-emergency-alerts-wea

We are aware that the sirens have been triggering more than once - this is due to the US National Weather Service Saint ...
04/27/2026

We are aware that the sirens have been triggering more than once - this is due to the US National Weather Service Saint Louis Missouri modifying the warning area rather quickly with these fast moving storms.

There is a risk of strong to severe storms later this afternoon and into the overnight hours. Be sure to check the weath...
04/17/2026

There is a risk of strong to severe storms later this afternoon and into the overnight hours. Be sure to check the weather frequently to ensure you catch the latest updates and have multiple ways to receive warning information.
Remember the sirens are only meant to warn those who are outdoors, but if you happen to hear the sirens the threat is much closer to you - seek sturdy shelter right away!

Could your family get to your shelter space in 2 minutes… in the dark?Tonight’s challenge:👉 Turn off the lights👉 Start a...
04/02/2026

Could your family get to your shelter space in 2 minutes… in the dark?

Tonight’s challenge:
👉 Turn off the lights
👉 Start a timer
👉 Practice getting everyone to your safe spot

You’ll quickly find what’s missing (shoes, flashlights, pets 👀).

Preparedness doesn’t have to be complicated—just practiced.

03/31/2026

We have a new siren system! 🌪️⛈️

Now if you hear the siren, that means a tornado or dangerous thunderstorm is in your area, so seek shelter!

St. Charles County will NOT be activating the sirens for today's Statewide Tornado Drill due to the active weather in th...
03/04/2026

St. Charles County will NOT be activating the sirens for today's Statewide Tornado Drill due to the active weather in the area. We encourage everyone to still practice taking shelter wherever you are at 11 AM!

The lowdown on lightning: ⚡ NO PLACE outside is safe when thunderstorms are in the area. ⚡ If you hear thunder, lightnin...
03/03/2026

The lowdown on lightning:

⚡ NO PLACE outside is safe when thunderstorms are in the area.
⚡ If you hear thunder, lightning is close enough to strike you.
⚡ When you hear thunder, immediately move to safe shelter –
inside a substantial building or a metal-topped vehicle with the windows up.
⚡ Stay sheltered for at least 30 minutes after you hear the last sound of thunder.

Take a moment to familiarize yourself with the pros and cons of the various Warning Methods.All methods can malfunction,...
03/02/2026

Take a moment to familiarize yourself with the pros and cons of the various Warning Methods.
All methods can malfunction, this is why it is best to have MULTIPLE ways to receive warning information.

Address

1400 T. R. Hughes Boulevard
O'Fallon, MO
63366

Telephone

(636) 949-3023

Website

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