Glenview, Illinois

... Winter Weather Advisory now in effect until noon CST today...

The Winter Weather Advisory is now in effect until noon CST
today.

* Timing... freezing rain will continue across much of Cook County
through noon today.

* Accumulations... up to an additional tenth of an inch of ice will
be possible this morning before temperatures rise above
freezing. The greatest ice accumulations will be across suburban
portions of Cook County... away from downtown Chicago and the
shore of Lake Michigan.

* Hazards... accumulation of ice. The accumulation of ice will be
greatest on untreated and elevated surfaces. Ice falling from
elevated structures could also pose a hazard later this morning
and afternoon as temperatures rise above freezing.

* Impacts... ice will likely continue to accumulate this
morning... with the greatest accumulations on untreated
roadways... bridges... overpasses... and elevated surfaces. While
many primary roads have been treated... driving conditions will
be hazardous on any Road surface that becomes ice covered.
Individuals should also remain aware for falling ice from
elevated structures later this morning as temperatures begin to
rise above freezing.

Precautionary/preparedness actions...

Winter Weather Advisory means that a combination of sleet... or
freezing rain will result in slippery roadways and cause travel
difficulties. Be prepared for hazardous driving conditions and
use caution while traveling.

The National Weather Service in Chicago has issued a
* Flood Advisory for
the Des Plaines river at Riverside.
* Until late Saturday night.
* At 945 am Thursday the stage was 3.7 feet.
* Bankfull stage is 6.0 feet.
* Flood stage is 7.0 feet.
* Forecast... the river will rise to near 6.2 feet by Saturday
morning.
* Impact... at 6.0 feet... water begins to overflow banks in the lowest
areas adjacent to the river.

355 am CST Thu Dec 24 2009 /455 am EST Thu Dec 24 2009/

... Flood Watch remains in effect from noon CST /1 PM EST/ today
through late tonight...

The Flood Watch continues for

* portions of Illinois and Indiana... including the following
areas... in Illinois... Boone... Cook... De Kalb... dupage... Ford...
Grundy... Iroquois... Kane... Kankakee... Kendall... La Salle...
lake IL... Lee... Livingston... McHenry... Ogle... will and
Winnebago. In Indiana... Benton... Jasper... Lake in... Newton and
Porter.

* From noon CST /1 PM EST/ today through late tonight.

* Rain is expected to become moderate to occasionally heavy this
afternoon and continue through the overnight hours. Total
rainfall amounts of 1.5 to 2 inches will be common... .with the
potential for local 3 inch rainfall totals by Friday morning.

* Current snow cover ranges from 4 to 8 inches across northwest
Illinois to 1 to 3 inches across Northwest Indiana. As the snow
melts and moderate to occasional heavy rain develops... rapid
runoff due to frozen ground conditions will result in
significant rises on area rivers... with some rivers possibly
reaching or exceeding flood stage. Flooding across low lying and
other flood prone areas will also be possible.

Precautionary/preparedness actions...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
flood warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

12/23/2009 0650 PM

Cicero, Cook County.

Freezing rain e0.00 inch, reported by co-op observer.


            Light to moderate freezing rain. Glazing is increasing on
            buildings, fences, and trees.




12/23/2009 0715 PM

Homewood, Cook County.

Freezing rain e0.28 inch, reported by trained spotter.


            1/8 to 3/16 of an inch accumulation.




12/23/2009 0900 PM

3 miles SSE of Evanston, Cook County.

Freezing rain e0.20 inch, reported by trained spotter.


            0.20 of an inch ice accumulation with 1.00 of snow on the
            ground. Untreated side streets are slush covered. Glaze
            on most surfaces. Cocorahs.




12/23/2009 1000 PM

1 miles E of Lincolnwood, Cook County.

Freezing rain e0.10 inch, reported by trained spotter.


            1/10 of an inch ice accumulation so far.




12/23/2009 1050 PM

Morton Grove, Cook County.

Freezing rain e0.20 inch, reported by trained spotter.


            Ice accumulation.




12/23/2009 0325 PM

1 miles SW of Streamwood, Cook County.

Snow e1.0 inch, reported by trained spotter.


            A period of heavy snow has moved through producing one
            inch of snow in one hour. Precip is now back to ice
            pellets. Cocorahs observer.




12/23/2009 0400 PM

Ohare Airport, Cook County.

Snow m0.9 inch, reported by official NWS obs.


            0.9 snowfall.




12/23/2009 1050 PM

Morton Grove, Cook County.

Freezing rain e0.20 inch, reported by trained spotter.


            Ice accumulation.





12/23/2009 1000 PM

1 miles E of Lincolnwood, Cook County.

Freezing rain e0.10 inch, reported by trained spotter.


            1/10 of an inch ice accumulation so far.





12/23/2009 0900 PM

3 miles SSE of Evanston, Cook County.

Freezing rain e0.20 inch, reported by trained spotter.


            0.20 of an inch ice accumulation with 1.00 of snow on the
            ground. Untreated side streets are slush covered. Glaze
            on most surfaces. Cocorahs.





12/23/2009 0715 PM

Homewood, Cook County.

Freezing rain e0.28 inch, reported by trained spotter.


            1/8 to 3/16 of an inch accumulation.





12/23/2009 0650 PM

Cicero, Cook County.

Freezing rain e0.00 inch, reported by co-op observer.


            Light to moderate freezing rain. Glazing is increasing on
            buildings, fences, and trees.





12/23/2009 0400 PM

Ohare Airport, Cook County.

Snow m0.9 inch, reported by official NWS obs.


            0.9 snowfall.




12/23/2009 0400 PM

Ohare Airport, Cook County.

Snow e0.9 inch, reported by official NWS obs.


            From 2 PM to 4 PM.





12/23/2009 0325 PM

1 miles SW of Streamwood, Cook County.

Snow e1.0 inch, reported by trained spotter.


            A period of heavy snow has moved through producing one
            inch of snow in one hour. Precip is now back to ice
            pellets.





12/22/2009 0500 PM

Northbrook, Cook County.

Snow m2.2 inch, reported by trained spotter.


            Storm total snowfall.





12/22/2009 0500 PM

Northbrook, Cook County.

Snow m2.2 inch, reported by trained spotter.


            Snow depth 3 inches. Storm total.





12/22/2009 0320 PM

3 miles SW of midway airpor, Cook County.

Heavy snow m3.0 inch, reported by co-op observer.


            3.0 inches since 920 PM. Water equivalent 0.20





12/22/2009 1258 PM

Berwyn, Cook County.

Snow m2.6 inch, reported by trained spotter.


            Liquid eqv of 0.19 inches.





12/22/2009 1150 am

3 miles SW of midway airpor, Cook County.

Snow m2.5 inch, reported by co-op observer.


            Storm total.





12/22/2009 1200 PM

Ohare Airport, Cook County.

Snow m2.4 inch, reported by official NWS obs.


            Storm total. 1.2 inches in last 6 hours.




12/22/2009 0800 am

Northbrook, Cook County.

Snow m1.8 inch, reported by trained spotter.


            Storm total.




12/22/2009 0552 am

Ohare Airport, Cook County.

Snow m1.2 inch, reported by official NWS obs.


            Storm total 1.2 inches.




12/22/2009 0800 am

Northbrook, Cook County.

Snow m1.8 inch, reported by trained spotter.


            Storm total.





12/22/2009 0552 am

Ohare Airport, Cook County.

Snow m1.2 inch, reported by official NWS obs.


            Storm total 1.2 inches.

Snowfall and snow depth reports.
Data provided by National Weather Service Chicago area and Rockford
area snowfall team.

                12 hr snowfall 12 hr snowfall total
location ending 6am ending 6pm snow
                today yesterday depth at 6am
Illinois

Batavia T / 0.1 / 3
Beach Park 0.7 / / 6
Beecher / T /
Cicero / T /
Downers Grove T / 0.1 / 4
La Grange / 0.1 /
Melrose Park 0.3 / 0.4 / 5
Oak Brook / 0.6 /
Peotone 0.0 / 0.0 / 2
Plainfield 4sw 0.0 / 0.0 / 3
South Beloit 3se T / 0.2 / 5
WillowBrook T / 0.3 / 3
Yorkville 2se / 0.0 /

Northwest Indiana

Highland / 0.0 /