Urgent Winter Weather Advisory

Freeport, Illinois — According to the National Weather Service out of the Quad Cities wintry weather is expected this morning, and again this afternoon and evening.

The National Weather Service says that a  strong storm system will bring a wintry mix of rain, sleet,
and snow to portions of northeast Iowa and northwest Illinois.

A mix of snow and sleet will change over to all rain by late morning, but change back over to mixed precipitation during the afternoon and evening. Expect slick roads conditions for the morning commute. Poor visibility in periods of heavy wet snow is possible, this afternoon and tonight which will result in a wet snow accumulation of 1 to 3 inches, and slippery slushy roads.

Areas include: Delaware-Dubuque-Jackson-Jo Daviess-Stephenson-Carroll- Including the cities of Manchester, Dubuque, Maquoketa, Galena, Freeport, and Mount Carroll.

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WINTER WEATHER ADVISORY IN EFFECT
UNTIL 11 AM CST THIS MORNING

WINTER WEATHER ADVISORY REMAINS IN EFFECT
FROM NOON TODAY TO MIDNIGHT CST TONIGHT

Mixed precipitation. Additional snow and sleet accumulations of up to one inch, and possibly a light glaze of ice, through late morning. Additional snow accumulations of 1 to 3 inches later this afternoon and evening.

Portions of east central and northeast Iowa and northwest Illinois.

For the morning Winter Weather Advisory, until 11 AM CST this morning. For the second Winter Weather Advisory, from noon today to midnight CST tonight.

Plan on slippery road conditions, including during the morning commute. Be prepared for reduced visibilities at times.

A Special Weather Statement

At 707 AM CST, the leading edge of an area of snow and sleet was located along a line extending from near Sherrill to near Coleta to near Camp Grove. Movement was northeast at 20 mph.

Additional snow and sleet amounts up to an inch are possible. Wind gusts around 40 mph are expected. The precipitation will become mixed with or change over to all rain by late morning. Expect very slick road conditions through the morning commute.

Locations impacted include:

Davenport, Dubuque, Moline, Rock Island, Bettendorf, Clinton, Freeport, East Moline, Sterling, Kewanee, Rock Falls, Princeton, Maquoketa, Manchester, Morrison, Galena, Cambridge, Mount Carroll,
Hennepin and Silvis.

  • This includes the following highways:
  • Interstate 74 in Iowa between mile markers 1 and 5.
  • Interstate 80 in Iowa between mile markers 289 and 306.
  • Interstate 80 in Illinois between mile markers 1 and 72.
  • Interstate 74 in Illinois between mile markers 1 and 28.
  • Interstate 88 between mile markers 1 and 43.
  • Interstate 280 between mile markers 1 and 2, and between mile markers 15 and 18.
  • Interstate 180 between mile markers 1 and 13.

A winter weather advisory is in effect for the area. Please monitor local media outlets and the national weather service for further statements.

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Hazardous Weather Outlook

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.

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

A wintry mix of rain, wet snow and sleet will affect areas generally along and north of Interstate 80 through mid morning, before it switches back over to rain. There may be some slushy light snow and sleet accumulations in these areas for the morning commute, with slick road conditions. In addition, a southeast breeze will gust up to 40 mph through early afternoon.

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With the transition back to all rain from late morning and into the afternoon, an additional 0.25 to 0.75 inches of rainfall and locally higher amounts may occur through evening. The higher amounts again should occur along and west of the Mississippi River. The potential for significant impacts on area rivers is low.

Some thunderstorms are expected to be embedded in the rain again this afternoon, with the stronger cells able to produce small hail, frequent lightning, and locally heavy bursts of rain producing some ponding of water on roads.

Later this afternoon, locations north of Highway 30 in Iowa will see the rain mix with or change over to snow during the afternoon.

The switch over will move eastward into northwestern Illinois during the late afternoon and evening hours. A wet snow accumulation of 1 to 3 inches is possible in these areas by late evening, especially along and north of Highway 20. The snow may be heavy at times, and bring slushy accumulations to roads and sharply reduced visibilties. A Winter Weather Advisory remains in effect for these areas this afternoon and evening.

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Portions of the Rock River are experiencing flooding. Please see the latest Flood Statements and Flood Warnings for details.

DAYS TWO THROUGH SEVEN -TUESDAY THROUGH SUNDAY

Expect scattered snow showers Tuesday, mainly north of Interstate 80. Locations north of Highway 30 are favored for accumulations of an inch or two. Snow showers could drop visibilities for brief
periods and create slick road conditions.

http://www.spc.noaa.gov/exper/mesoanalysis/new/viewsector.php?sector=14#
http://www.spc.noaa.gov/exper/mesoanalysis/new/viewsector.php?sector=14#

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