Watches, Warnings & Advisories



3 products issued by NWS for: Saint Louis MO

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service St Louis MO
327 AM CDT Sun Jul 14 2024

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-150830-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway 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-
327 AM CDT Sun Jul 14 2024

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.

There is a slight chance for thunderstorms this morning across parts
of northeast Missouri. Dangerous heat and humidity will develop
across the region this afternoon. A Heat Advisory will take effect at
1 PM today.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Dangerous heat and humidity redevelops across the region Monday
afternoon. The Heat Advisory remains in effect until 8 PM Monday
evening.

There is a chance for thunderstorms across the entire area Tuesday
through Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

MRB




Air Quality Alert

ILZ100>102-MOZ061>065-150115-
Madison IL-Saint Clair IL-Monroe IL-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Alton, Edwardsville, Belleville, Cahokia,
Saint Charles, Washington, Union, Sullivan, and Saint Louis
319 AM CDT Sun Jul 14 2024

...AIR QUALITY ALERT IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CDT
THIS EVENING...

The St. Louis Clean Air Partnership has issued an air quality alert
for the St. Louis metropolitan area from 10 AM this morning to 8 PM
CDT this evening.

An Orange air quality forecast means that maximum ozone
concentrations are expected to reach levels that pose a health risk.
Adverse health effects increase as air quality deteriorates. Ground-
level ozone is an air contaminant which can cause breathing
difficulties for children, older adults, as well as persons with
respiratory problems.

Reducing outdoor physical activity is recommended. If it is a
regularly scheduled work day you are urged to consider
telecommuting, carpooling, or utilizing public transit. Avoid
excessive idling and do not top off when refueling motor vehicles.
The use of gasoline-powered lawn equipment should be reduced or
postponed until late in the day.

For more information visit the St. Louis Clean Air Partnership at
http://cleanair-stlouis.com/

For current Air Quality Index (AQI) values visit
https://www.airnow.gov/

$$

MRB




Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
318 AM CDT Sun Jul 14 2024

ILZ100-101-MOZ061-063-064-150230-
/O.CON.KLSX.HT.Y.0006.240714T1800Z-240716T0100Z/
Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO-Saint
Louis City MO-
Including the cities of Cahokia, Edwardsville, Saint Louis,
Belleville, Alton, and Saint Charles
318 AM CDT Sun Jul 14 2024

...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT MONDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...In Illinois, Madison IL and Saint Clair IL Counties. In
  Missouri, Saint Charles MO, Saint Louis City MO, and Saint Louis
  MO Counties.

* WHEN...From 1 PM this afternoon to 8 PM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People in the Saint Louis Metropolitan Area can get information
about cooling centers or energy assistance related to the excessive
heat by calling the United Way of Greater Saint Louis at
800-427-4626, or if calling from a land line phone dial 2-1-1. You
can also call Cool Down Saint Louis at 314-241-7668.

&&

$$

MRB