Severe Thunderstorm Warning 18, NWS Quad Cities, IA

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Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
355 AM CDT Wed Mar 19 2025

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-200900-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
355 AM CDT Wed Mar 19 2025

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

Scattered showers and thunderstorms early this morning, with a
Marginal Risk, level 1 of 5, for severe storms. The primary
threats will be isolated large hail and frequent lightning.

Additional showers and thunderstorms are expected during the
afternoon as a cold front moves through the area. Some of these
storms may be strong to severe, with all hazards possible. The
Storm Prediction Center highlights our whole area in at least a
Marginal Risk, level 1 of 5, for severe weather. The Slight Risk,
level 2 of 5, has been expanded into parts of eastern Iowa, with
an Enhanced Risk, level 3 of 5, introduced into western Illinois
for an increased tornado threat. There will also be a chance for a
few strong tornadoes.

Cold air quickly moves in behind the front late Wednesday
afternoon into Wednesday night, with a transition from rain to
snow expected. Much of the area should see less than an inch of
snow, with upwards of two inches possible. Strong winds
accompanying the snow will result in periods of reduced
visibility.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

The risk for widespread hazardous weather remains low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today, especially this afternoon.
Please relay any reports of hail, especially those an inch or
larger.

GENERAL STORM MOTION OF THE DAY: Northeast around 45 mph tonight
into Wednesday morning.