Ice Storm Warning in effect until 8 am CST Thursday...
Flood Watch in effect from Thursday afternoon through late Thursday night...
Overnight
Rain...freezing rain and sleet. No sleet accumulation. New ice accumulation of less than one quarter of an inch. Temperatures nearly steady in the lower 30s. East winds 10 to 20 mph with gusts up to 30 mph at times. Chance of precipitation 100 percent.
Thursday
Rain...freezing rain and sleet in the morning...then rain in the afternoon. No sleet accumulation. Blustery. Highs in the mid 30s. East winds 15 to 25 mph with gusts up to 35 mph at times. Chance of precipitation 100 percent.
Windy. Rain in the evening...then rain likely after midnight. Locally heavy rainfall possible in the evening. Temperatures nearly steady in the mid 30s. East winds 20 to 30 mph with gusts up to 35 mph at times. Chance of precipitation 100 percent.
Christmas Day
Light rain and light snow likely in the morning...then light snow likely in the afternoon. Blustery. Highs in the mid 30s. Then temperatures falling into the upper 20s by evening. South winds 15 to 25 mph with gusts up to 30 mph at times. Chance of precipitation 60 percent.
Friday Night
Cloudy with a 50 percent chance of light snow. Lows in the lower 20s. South winds 10 to 15 mph.
Saturday
Light snow likely. Some snow accumulation possible. Highs in the mid 20s. Chance of precipitation 60 percent.
... Ice Storm Warning remains in effect until 8 am CST Thursday...
An Ice Storm Warning remains in effect until 8 am CST Thursday.
* Timing... freezing rain will continue through the rest of night and will end early Thursday morning. There will be rain along the shore of Lake Michigan.
* Accumulations... up to three tenths of an inch of ice mainly outside the city of Chicago and most of Cook County Illinois.
* Hazards... accumulation of ice
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 will likely lead to snapped power lines and falling tree branches that add to the danger.
Areal Flood Watch
Statement as of 9:48 PM EST on December 23, 2009
... Flood Watch remains in effect from Thursday afternoon through late Thursday night...
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 Thursday afternoon through late Thursday night.
* Rain is expected to become moderate to occasionally heavy Thursday afternoon and night. 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 of low lying and 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.
Local Storm Report
12/23/2009 1022 PM
Oregon, Ogle County.
Freezing rain m0.25 inch, reported by trained spotter.
Ice accumulation. Relayed by wrex TV.
12/23/2009 1022 PM
Oregon, Ogle County.
Freezing rain m0.25 inch, reported by trained spotter.