Winter Weather Advisory in effect until 6 am CST Thursday...
Flood Watch in effect from 6 am CST Thursday through late Thursday night...
Winter Storm Watch in effect from Thursday evening through Friday evening...
Rest of Tonight
Windy...rain...freezing rain and snow in the evening...then light rain...a chance of freezing rain and sleet after midnight. Snow and sleet accumulation up to 1 inch. Ice accumulation of up to one quarter of an inch. Low in the lower 30s. East wind 20 to 30 mph with gusts to around 35 mph. Chance of precipitation near 100 percent.
Thursday
Blustery. Rain in the morning...then rain...a chance of freezing rain and snow in the afternoon. Little or no snow accumulation. Ice accumulation of less than one quarter of an inch. High in the mid 30s. East wind 15 to 25 mph with gusts to around 30 mph. Chance of precipitation near 100 percent.
Blustery...rain...sleet with possible freezing rain and thunderstorms. Rain may be heavy at times. No sleet accumulation. Ice accumulation of less than one quarter of an inch. Low in the lower 30s. East wind 15 to 25 mph with gusts to around 35 mph. Chance of precipitation near 100 percent.
Christmas Day
Blustery...snow. Light snow accumulations possible. High in the lower 30s. South wind 15 to 25 mph. Chance of snow 90 percent.
Friday Night
Blustery...colder. Light snow. Light snow accumulations possible. Low around 19. West wind 15 to 25 mph. Chance of snow 80 percent. Wind chill readings to 1 below.
Saturday
Colder. Cloudy with a 50 percent chance of snow. High in the lower 20s.
... Winter Weather Advisory remains in effect until 6 am CST Thursday... ... Winter Storm Watch now in effect from Thursday evening through late Friday night...
The Winter Storm Watch is now in effect from Thursday evening through late Friday night. A Winter Weather Advisory remains in effect until 6 am CST Thursday.
* Freezing rain will continue into the early morning hours... then change over to all rain.
* An additional one to two tenths of an inch of ice accumulation is possible especially on elevated surfaces.
* Colder air spilling into the region Thursday evening into Friday will cause the precipitation to change over to primarily snow with significant accumulations possible. Thus... the Winter Storm Watch remains in effect.
* Hazardous driving conditions are expected due to ice accumulations through tonight. The snowfall Thursday night into Friday will also impact travel conditions.
* East winds from 15 to 25 mph... combined with ice accumulations... may lead to downed branches and power outages.
Precautionary/preparedness actions...
A Winter Storm Watch means there is a potential for significant snow... sleet... and/or ice accumulations that would seriously impact travel. Monitor later forecasts for updates.
A Winter Weather Advisory means that periods of snow... sleet... and/or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities... and be careful while driving.
Areal Flood Watch
Statement as of 8:04 PM CST on December 23, 2009
... Flood Watch remains in effect from 6 am CST Thursday through late Thursday night...
The Flood Watch continues for
* portions of northwest Illinois and Iowa... including the following areas... in northwest Illinois... Carroll... Jo Daviess and Stephenson. In Iowa... Benton... Buchanan... Delaware... Dubuque... Jackson... Jones and Linn.
* From 6 am CST Thursday through late Thursday night
* rainfall amounts from 1 to 2 inches Thursday and Thursday night may lead to flooding along area rivers. Flooding of Urban and Small Stream drainage areas will also be possible due to blockages from snow and ice.
* Rising water levels may also lead to potential ice jams on area rivers.
Precautionary/preparedness actions...
A Flood Watch means there is a potential for flooding based on current forecasts. Monitor later forecasts and take action if a Flood Warning is issued or flooding develops.