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FLUS43 KLSX 180939
HWOLSX

Hazardous Weather Outlook
National Weather Service Saint Louis MO
439 AM CDT Fri Jun 18 2021

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-190945-
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-Saint Francois MO-Saint Louis City MO-Saint Louis MO-
Sainte Genevieve MO-Shelby MO-Warren MO-Washington IL-Washington MO-
439 AM CDT Fri Jun 18 2021

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.

Dangerous heat is expect across the region this afternoon with peak
heat index values around 107 degrees expected. A heat advisory
remains in effect for much of the area.

There is a chance of thunderstorms across much of the area through
tonight. A few thunderstorms of these may severe, particularly
across northeast Missouri and west-central Illinois. Damaging winds
and large hail are the primary threats, though a tornado or two is
also possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

There is a chance of thunderstorms over parts of the area Saturday
through Monday night and a again Wednesday night and Thursday.
Isolated severe storms are possible on Saturday over south central
Illinois.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible through tonight, particularly over
northeast Missouri into west central Illinois.

$$

Britt