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St Louis County MO Office of Emergency Management
Tuesday May 21st, 2019 :: 04:10 a.m. CDT

Alert

Flash Flood Watch until 12:00AM Wednesday

The National Weather Service in Saint Louis has issued a

* Flash Flood Watch for portions of Illinois and Missouri... including the following counties...in Illinois...Adams IL... Bond IL...Brown IL...Calhoun IL...Clinton IL...Fayette IL... Greene IL...Jersey IL...Macoupin IL...Madison IL...Marion IL... Monroe IL...Montgomery IL...Pike IL...Randolph IL...Saint Clair IL and Washington IL. In Missouri...Audrain MO...Boone MO...Callaway MO...Cole MO...Crawford MO...Franklin MO... Gasconade MO...Iron MO...Jefferson MO...Knox MO...Lewis MO... Lincoln MO...Madison MO...Marion MO...Moniteau MO...Monroe MO...Montgomery MO...Osage MO...Pike MO...Ralls MO...Reynolds MO...Saint Charles MO...Saint Francois MO...Saint Louis City MO...Saint Louis MO...Sainte Genevieve MO...Shelby MO...Warren MO and Washington MO.

* Through this evening

* Locally heavy rainfall from storms this morning combined with another round of heavy rain associated with a line of thunderstorms this afternoon and evening could produce flash flooding.

* Heavy rainfall will result in flooding of low lying or poor drainage areas...and ultimately dangerous flash flooding on smaller creeks and streams. Significant rises on larger streams and rivers will also be possible.

* AFFECTED AREAS: MONITEAU ... COLE ... BROWN ... SHELBY ... AUDRAIN ... WASHINGTON ... MONROE ... BOND ... ST. CHARLES ... MONTGOMERY ... MONROE ... ST. FRANCOIS ... REYNOLDS ... CALHOUN ... ST. LOUIS CITY ... GREENE ... KNOX ... LINCOLN ... WASHINGTON ... PIKE ... PIKE ... RANDOLPH ... WARREN ... STE. GENEVIEVE ... GASCONADE ... ADAMS ... ST. CLAIR ... CALLAWAY ... MARION ... OSAGE ... MADISON ... FRANKLIN ... MONTGOMERY ... IRON ... CRAWFORD ... BOONE ... JEFFERSON ... MACOUPIN ... CLINTON ... ST. LOUIS ... JERSEY ... MARION ... FAYETTE ... LEWIS ... RALLS ... MADISON

Instructions:

A Flash Flood Watch is advanced notice that conditions are favorable that may lead to flash flooding. People in the Watch area, especially in flood prone areas, should use this time to make preparations just in case. Stay informed, and be ready for quick action if flooding is observed or if a Flash Flood Warning is issued.

View full article (nws)

Address/Location
St Louis County MO Office of Emergency Management
1150 Hanna Rd
Ballwin, MO 63021

Contact
Emergency: 9-1-1

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Future - Responsive action SHOULD be taken in the near future
Certainty:
Possible (p <= ~50%)
Category:
Meteorological (inc. flood)
Event:
Flash Flood Watch

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