Bartlett, Illinois

... Ice Storm Warning now in effect until noon CST today...

The Ice Storm Warning is now in effect until noon CST today.

* Timing... freezing rain is expected to continue through the
morning. Freezing rain will transition to rain by noon as
temperatures rise above freezing.

* Accumulations... between one quarter to four tenths of an inch of
ice has already accumulated at many locations... especially on
untreated and elevated surfaces. An additional tenth of an inch
of ice will be possible this morning.

* 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 and afternoon as
temperatures begin to rise above freezing.

Precautionary/preparedness actions...

An Ice Storm Warning means severe winter weather conditions are
expected or occurring. Significant amounts of ice accumulations
will make travel dangerous or impossible. Travel is strongly
discouraged. Commerce will likely be severely impacted. If you
must travel... keep an extra flashlight... food... and water in your
vehicle in case of an emergency. Ice accumulations and winds could lead
to snapped power lines and falling tree branches that add to the
danger.

... 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.

12/24/2009 0316 am

4 miles WSW of Warrenville, DuPage County.

Freezing rain m0.25 inch, reported by NWS employee.


            0.25 to 0.30 inch of ice on untreated and elevated
            surfaces.





12/23/2009 0400 PM

2 miles SW of Elk Grove vilbago, DuPage County.

Snow m1.5 inch, reported by trained spotter.


            A heavy burst of snow from 2 PM to 330 PM. Precipitation
            is now in the form of sleet.




12/23/2009 0940 PM

Carol Stream, DuPage County.

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


            Ice accumulation.




12/23/2009 0940 PM

Carol Stream, DuPage County.

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


            Ice accumulation.





12/23/2009 0400 PM

2 miles SW of Elk Grove vil, DuPage County.

Snow m1.5 inch, reported by trained spotter.


            A heavy burst of snow from 2 PM to 330 PM. Precipitation
            is now in the form of sleet.





12/22/2009 0500 PM

Oak Brook, DuPage County.

Snow m3.6 inch, reported by co-op observer.


            Water equivalent 0.26 inches. Storm total from 930 PM
            Monday to 5 PM today.





12/22/2009 0330 PM

2 miles WSW of Elk Grove vi, DuPage County.

Heavy snow m3.1 inch, reported by trained spotter.


            Storm total





12/22/2009 1150 am

Downers Grove, DuPage County.

Snow m3.5 inch, reported by co-op observer.


            Storm total.





12/22/2009 1140 am

Oak Brook, DuPage County.

Snow m3.0 inch, reported by co-op observer.


            Storm total.





12/22/2009 0540 am

2 miles WSW of Elk Grove vi, DuPage County.

Snow m1.4 inch, reported by trained spotter.


            Storm total.




12/22/2009 0945 am

Downers Grove, DuPage County.

Snow m3.2 inch, reported by co-op observer.


            Updated storm total.





12/22/2009 0650 am

Downers Grove, DuPage County.

Snow m2.1 inch, reported by co-op observer.


            Storm total.




12/22/2009 0945 am

Downers Grove, DuPage County.

Snow m3.2 inch, reported by co-op observer.


            Updated storm total.





12/22/2009 0650 am

Downers Grove, DuPage County.

Snow m2.1 inch, reported by co-op observer.


            Storm total.





12/22/2009 0540 am

2 miles WSW of Elk Grove vi, DuPage County.

Snow m1.4 inch, reported by trained spotter.


            Storm total.