St. Louis County, Missouri
To view the watches and warnings information that we have available you will need to select your city, county, or state first.
Enter City, State or Zip Code to Select a Location from the List
Watch/Warnings
Click to view enlarged map

The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: St. Louis County, Missouri
« View county list

Flood Watch
ILZ058>060-064-065-069-070-074-079-098>102-MOZ047>049-051-052-
059>065-072>075-084-085-099-211000-
/O.NEW.KLSX.FA.A.0001.180221T0000Z-180221T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Calhoun IL-Jersey IL-
Madison IL-Saint Clair IL-Monroe IL-Moniteau MO-Cole MO-Osage MO-
Montgomery MO-Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-
Franklin MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-
Crawford MO-Washington MO-Saint Francois MO-Sainte Genevieve MO-
Iron MO-Madison MO-Reynolds MO-
Including the cities of Litchfield, Vandalia, Centralia, Salem,
Chester, Sparta, Alton, Edwardsville, Belleville, Cahokia,
Jefferson City, Saint Charles, Washington, Union, Sullivan,
Saint Louis, and Farmington
259 PM CST Tue Feb 20 2018

...FLOOD WATCH IN EFFECT FROM 6 PM CST THIS EVENING THROUGH LATE
TONIGHT...

The National Weather Service in Saint Louis has issued a

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

* from 6 PM CST this evening through late tonight

* Steady rainfall is expected to continue into tonight. Rainfall
amounts of up to 2 inches over the past 48 hours with an
additional 1 to 2 inches may cause localized flooding.

* Moderate to heavy rainfall will result in flooding of low lying
or poor drainage areas...and possible flooding on smaller
creeks and streams. Significant rises on larger streams and
rivers will also be possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch is advanced notice that conditions are favorable
that may lead to flooding. People in the Watch area, especially
in flood prone areas, should use this time to check on
preparedness requirements. Stay informed, and be ready for action
if flooding is observed or if a Flood Warning is issued.

&&

$$

Winter Weather Advisory
ILZ060-064-065-069-070-074-079-100>102-MOZ063>065-072>075-084-085-
099-211045-
/O.NEW.KLSX.WW.Y.0009.180221T0600Z-180221T1800Z/
Bond IL-Clinton IL-Crawford MO-Fayette IL-Iron MO-Jefferson MO-
Madison IL-Madison MO-Marion IL-Monroe IL-Montgomery IL-
Randolph IL-Reynolds MO-Saint Clair IL-Saint Francois MO-
Saint Louis City MO-Saint Louis MO-Sainte Genevieve MO-
Washington IL-Washington MO-
Including the cities of Alton, Belleville, Cahokia, Centralia,
Chester, Edwardsville, Farmington, Litchfield, Saint Louis,
Salem, Sparta, and Vandalia
250 PM CST Tue Feb 20 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST WEDNESDAY...

* WHAT...Mixed precipitation is expected. Ice accumulation from
freezing rain of up to one tenth of an inch is expected.

* WHERE...Portions of east central and southeast Missouri and
south central and southwest Illinois.

* WHEN...From midnight tonight to noon CST Wednesday.

* ADDITIONAL DETAILS...The ice will result in difficult travel
conditions, including during the morning commute on Wednesday.
Be prepared for reduced visibilities at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory is issued for a variety of winter
weather conditions, such as snow, blowing snow, sleet, or
freezing drizzle and rain. It only takes a small amount of wintry
precipitation to make roads, bridges, sidewalks, and parking lots
icy and dangerous. It is often difficult to tell when ice begins
to form, so do not be caught off guard. In Illinois, call 1-800-
452-4368 for road information. In Missouri, call 1-888-275-
6636 for road information.

&&

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
Weather Alerts by Type
Blizzard Warning
Coastal Flood Advisory
Coastal Flood Warning
Dense Fog Advisory
Flash Flood Warning
Flash Flood Watch
Flood Advisory
Flood Warning
Flood Watch
Freeze Warning
Frost Advisory
Hard Freeze Warning
High Surf Advisory
High Wind Warning
Hydrologic Statement
Rip Current Statement
Special Weather Statement
Wind Chill Advisory
Wind Chill Warning
Winter Storm Warning
Winter Weather Advisory
Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
THUNDERcast
THUNDERcast
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.
Advertisements