Hazardous Weather Outlook
Issued by NWS Quad Cities, IA IL

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507
FLUS43 KDVN 210913
HWODVN

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
413 AM CDT Wed Jun 21 2017

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-220915-
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-
413 AM CDT Wed Jun 21 2017

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 thunderstorms are expected from mid morning through the
afternoon hours, especially north of Interstate 80. The strongest
storms may produce hail around quarter size.

Additional thunderstorms are expected late tonight, especially
along and west of the Mississippi River. A few storms could be
severe, north of a line from Williamsburg, Iowa to Freeport,
Illinois. The main threats are large hail and damaging winds.

Afternoon heat indices will reach the 90 to 95 degree range, south
of a line from Fairfield, Iowa to Galesburg, Illinois.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Thursday evening through Thursday night, The Storm Prediction Center
has a slight risk for severe thunderstorms across the entire outlook
area. The main threats from these storms will be damaging winds,
large hail, torrential rainfall and frequent lightning. There is a
low chance for tornadoes, mainly Thursday evening.

Thursday afternoon into early evening, heat index values will soar
into the mid to upper 90s across the outlook area, especially south
of Highway 30.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be need from mid morning through the
afternoon, along and north of Interstate 80. Activation may be
needed again late tonight, north of a line from Williamsburg,
Iowa to Freeport, Illinois.

$$

RP Kinney/Haase



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