St. Louis County Office of Emergency Management

St. Louis County Office of Emergency Management

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Official FB page for the St. Louis County Office of Emergency Management. #MakingPreparednessPersonal St.

Louis County Office of Emergency Management (OEM) welcomes postings and comments that are related to the specific content posted on the site. Comments posted on this page will be monitored and OEM reserves the right to remove inappropriate comments such as the following: • Comments not topically related to the post for which they are made may be deleted from under that post; • Profane language or

06/01/2026

Reminder: Today is Monthly Siren Testing Day

St. Louis County will conduct its monthly outdoor warning siren test at 11:00 a.m. This is only a test of the outdoor warning system. Sirens are meant to warn people outdoors to move inside and seek additional weather information.

Use today as a quick preparedness check:

• Make sure emergency alerts are enabled on your phone
• Review your safe place at home, work, or school
• Have multiple ways to receive warnings

06/01/2026

SLCOEM Alert:

Flood Advisory issued June 1 at 7:45AM CDT until June 1 at 10:45AM CDT by NWS St Louis MO
http://www.weather.gov

06/01/2026

SLCOEM Alert:

Severe Thunderstorm Watch issued June 1 at 3:34AM CDT until June 1 at 9:00AM CDT by NWS St Louis MO
http://www.weather.gov

05/18/2026

SLCOEM Alert:

Flash Flood Warning
Flash Flood Warning issued May 18 at 5:12PM CDT until May 18 at 8:15PM CDT by NWS St Louis MO
http://www.weather.gov

05/18/2026

SLCOEM Alert:

Flash Flood Warning
Flash Flood Warning issued May 18 at 5:06PM CDT until May 18 at 9:00PM CDT by NWS St Louis MO
http://www.weather.gov

05/18/2026

SLCOEM Alert:

Flood Advisory issued May 18 at 1:22PM CDT until May 18 at 7:15PM CDT by NWS St Louis MO
http://www.weather.gov

05/09/2026

SLCOEM Alert:

Dense Fog Advisory issued May 9 at 2:01AM CDT until May 9 at 8:00AM CDT by NWS St Louis MO

05/04/2026

Due to overcast skies and rain in the forecast, today’s outdoor warning siren test has been cancelled.

Even though the sirens won’t sound today, this is still a great opportunity to review your emergency plans and check your preparedness kit. Make sure supplies are stocked, batteries are fresh, and everyone in your household knows what to do in case of severe weather.

Stay weather aware and stay prepared.

04/30/2026

SLCOEM Alert:

Flood Warning
Flood Warning issued April 30 at 5:08AM CDT until May 2 at 6:00AM CDT by NWS St Louis MO
http://www.weather.gov

04/28/2026

SLCOEM Alert:

Flood Warning
Flood Warning issued April 28 at 11:38AM CDT until May 3 at 8:00PM CDT by NWS St Louis MO
http://www.weather.gov

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Location

Telephone

Address


1150 Hanna Road
St. Louis, MO
63021

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm