Hazardous Weather Outlook
Issued by NWS Quad Cities, IA IL

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FLUS43 KDVN 200853
HWODVN

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
353 AM CDT Sat Jul 20 2019

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-210900-
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-
353 AM CDT Sat Jul 20 2019

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

An Excessive Heat Warning remains in effect for the entire outlook
area until 7 PM Saturday evening. Very high heat indices between
100 and 110 degrees are expected late Saturday morning into the
early evening hours.

A cold front will move across the area Saturday night with a line
of thunderstorms expected to develop along and behind the front.
There is a slight risk of severe thunderstorms along the Highway
20 corridor with a marginal risk over the remainder of the area.
The main threats will be large hail and damaging winds. An
isolated tornado is also possible. Additionally, thunderstorms
will produce heavy rainfall and may also hit the same area
repeatedly overnight which may cause flash flooding.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

Thunderstorms are possible on Sunday as a cold front continues to
move south through the area. Severe thunderstorms are possible,
mainly for areas south of Interstate-80, with damaging winds and
heavy rain being the primary threats.

.SPOTTER INFORMATION STATEMENT...

Spotter and amateur radio network activation may be needed late this
afternoon and evening.

$$

Cousins/Brooks


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