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2 products issued by NWS for: Macomb IL
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
446 AM CDT Wed Jul 26 2017

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-271000-
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-
446 AM CDT Wed Jul 26 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

Thunderstorms are likely over the outlook area this afternoon
and tonight. A few of the storms may be severe during the
late afternoon and evening. The primary threats are damaging
winds, and heavy rain leading to a risk of flash flooding.

A flash flood watch is in effect for late this afternoon and
tonight near and south of Interstate 80 where the greatest risk
for widespread heavy rain and flash flooding is currently
anticipated.

Very warm and humid conditions are expected today, with afternoon
heat index readings topping out in the 90s to near 100 degrees.

Some area rivers are experiencing flooding. Please see the latest
Flood Statements and Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

There is a chance of non-severe thunderstorms on Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed over portions of the outlook area
late this afternoon and tonight. Spotters are urged to report
any hail, winds over 40 mph and weather related damage, and rainfall
amounts over 1 inch and any flooding.

$$



Flash Flood Watch

Flood Watch
National Weather Service Quad Cities IA IL
323 AM CDT Wed Jul 26 2017

...Heavy rain and flash flooding possible late this afternoon and
tonight...

.A storm system will move through the Midwest this afternoon and
tonight with a very warm and moist airmass. The high moisture
levels means that storms will be capable of producing heavy rain.
High rainfall rates from storms combined with storms moving over
the same areas could result in flash flooding across portions of
the watch area.

IAZ063>068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-261630-
/O.NEW.KDVN.FF.A.0005.170726T2100Z-170727T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Iowa-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-
Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Whiteside-
Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren-
Hancock-McDonough-Scotland-Clark-
Including the cities of Marengo, Iowa City, Tipton, Clinton,
Muscatine, Davenport, Bettendorf, Sigourney, Washington, Wapello,
Fairfield, Mount Pleasant, Burlington, Keosauqua, Fort Madison,
Sterling, Moline, Rock Island, Geneseo, Princeton, Hennepin,
Aledo, Oquawka, Monmouth, Carthage, Macomb, Memphis, and Kahoka
323 AM CDT Wed Jul 26 2017

...FLASH FLOOD WATCH IN EFFECT FROM 4 PM THIS AFTERNOON THROUGH
THURSDAY MORNING...

The National Weather Service in Quad Cities has issued a

* Flash Flood Watch for portions of Illinois, Iowa, and
  northeast Missouri, including the following areas, in
  Illinois, Bureau, Hancock, Henderson, Henry IL, McDonough,
  Mercer, Putnam, Rock Island, Warren, and Whiteside. In Iowa,
  Cedar, Clinton, Des Moines, Henry IA, Iowa, Jefferson,
  Johnson, Keokuk, Lee, Louisa, Muscatine, Scott, Van Buren, and
  Washington. In northeast Missouri, Clark and Scotland.

* From 4 PM this afternoon through Thursday morning

* Storms will be capable of high rainfall rates due to high
  moisture levels in the atmosphere.

* The area of greatest risk is south of a line from Sigourney,
  Iowa to Kewanee, Illinois. Here storms may move over the same
  areas and produce 1 to 3 inches of rain in a short time period.

* A second area of concern is north of a Sigourney, Iowa to
  Kewanee, Illinois line. Here the ground is very moist from heavy
  rain last Friday night. Any high rainfall rates in this area
  may result in flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that flash flooding is possible.
Monitor forecasts and take action if flash flood warnings are
issued or flash flooding develops.

&&

$$



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: May 16, 2007
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