Watches, Warnings & Advisories



2 products issued by NWS for: 4 Miles SSW South Roxana IL

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service St Louis MO
248 AM CDT Mon Jun 23 2025

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-240800-
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-
248 AM CDT Mon Jun 23 2025

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.

An Extreme Heat Warning is in effect for the St. Louis Metropolitan
Area. Heat index values of 105 to 110 degrees are likely from early
afternoon through early evening.

A Heat Advisory is in effect for the remainder of the area. Heat
index values in excess of 100 degrees are likely from early
afternoon into early evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

An Extreme Heat Warning remains in effect for the St. Louis
Metropolitan Area until 9 PM Tuesday evening.

A Heat Advisory is in effect for the remainder of the area until
9 PM Tuesday evening.

There is a chance of thunderstorms from Tuesday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Jaja




Extreme Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
148 AM CDT Mon Jun 23 2025

ILZ099>102-MOZ061-063>065-232200-
/O.CON.KLSX.XH.W.0001.000000T0000Z-250625T0200Z/
Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Saint Charles MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Saint Charles, Alton, Belleville,
Cahokia, Edwardsville, and Saint Louis
148 AM CDT Mon Jun 23 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 103.

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

* WHEN...Until 9 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase during extreme heat and
  high humidity events.

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.

&&

$$