weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

2 products issued by NWS for: Saint Louis MO
Share |


Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Saint Louis MO
412 AM CDT Thu Jul 9 2020

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-100915-
Adams IL-Audrain MO-Bond IL-Boone MO-Brown IL-Calhoun IL-Callaway MO-
Clinton IL-Cole MO-Crawford MO-Fayette IL-Franklin MO-Gasconade MO-
Greene IL-Iron MO-Jefferson MO-Jersey IL-Knox MO-Lewis MO-Lincoln MO-
Macoupin IL-Madison IL-Madison MO-Marion IL-Marion MO-Moniteau MO-
Monroe IL-Monroe MO-Montgomery IL-Montgomery MO-Osage MO-Pike IL-
Pike MO-Ralls MO-Randolph IL-Reynolds MO-Saint Charles MO-
Saint Clair IL-Saint Francois MO-Saint Louis City MO-Saint Louis MO-
Sainte Genevieve MO-Shelby MO-Warren MO-Washington IL-Washington MO-
412 AM CDT Thu Jul 9 2020

This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Today and tonight.

Heat and humidity will combine to push heat index values to around
100 for the Saint Louis metro and portions of southern Illinois for
the fourth consecutive day.

There is a chance of isolated to scattered thunderstorms this
afternoon and evening. A few storms may become severe.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

There is a chance for thunderstorms across portions of the area each
day from Thursday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

$$

Elmore




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Saint Louis MO
400 AM CDT Thu Jul 9 2020

ILZ069-070-074-100>102-MOZ061-063>065-092100-
/O.CON.KLSX.HT.Y.0001.000000T0000Z-200710T0000Z/
Clinton IL-Jefferson MO-Madison IL-Marion IL-Monroe IL-
Saint Charles MO-Saint Clair IL-Saint Louis City MO-
Saint Louis MO-Washington IL-
Including the cities of Alton, Belleville, Cahokia, Centralia,
Edwardsville, Saint Charles, Saint Louis, and Salem
400 AM CDT Thu Jul 9 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat index values up to 102.

* WHERE...In Missouri, Saint Louis MO, Saint Charles MO, Saint
  Louis City MO and Jefferson MO Counties. In Illinois,
  Washington IL, Saint Clair IL, Marion IL, Monroe IL, Madison
  IL and Clinton IL Counties.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

Elmore




U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE