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Hazardous Weather Outlook
National Weather Service St Louis MO
340 AM CDT Sat Apr 19 2025

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-200845-
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-
340 AM CDT Sat Apr 19 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.

Widespread showers and thunderstorms are expected through tonight.
Heavy rainfall with localized flash flooding is possible. A flood
watch remains in effect across much of the area.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Additional rounds of showers and thunderstorms are expected Sunday.
The greatest potential of severe thunderstorms will be Sunday
afternoon into late Sunday evening, when hail, damaging winds, and
tornadoes are all possible.

Showers and thunderstorms are possible late Tuesday through
Thursday.

Locally heavy rainfall is possible Sunday. Both river flooding and
localized flash flooding will be possible. A flood watch continues
through Sunday night across much of the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

$$

Maples

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
334 AM CDT Sat Apr 19 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-200845-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
334 AM CDT Sat Apr 19 2025 /434 AM EDT Sat Apr 19 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk this morning south of I-80.

DISCUSSION...

Scattered thunderstorms will persist early this morning mainly
for areas along and south of a Paxton, IL to Valparaiso, IN line.
Widespread severe weather is not expected, but a stronger storm
may produce gusty winds and small hail.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday night and Tuesday...
  Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at 50 mph.

$$

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: June 2, 2009
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