Windy...rain. Locally heavy rainfall possible. Lows in the lower 30s. East winds 20 to 30 mph. Gusts up to 35 mph. Chance of precipitation 100 percent.
Christmas Day
Light rain in the morning...then light snow likely early in the afternoon. Occasional flurries in the afternoon. No snow accumulation. Blustery. Turning sharply colder. Highs in the lower 40s. Then temperatures falling into the upper 20s by evening. Southeast winds 15 to 25 mph with gusts up to 35 mph at times. Chance of measurable precipitation 90 percent.
Friday Night
Mostly cloudy. Occasional flurries. Much colder. Lows in the lower 20s. South winds 10 to 20 mph. Gusts up to 30 mph early in the evening.
Saturday
Snow showers likely. Highs in the mid 20s. South winds 10 to 15 mph. Chance of precipitation 60 percent.
... Flood Watch now in effect through Friday morning...
The Flood Watch is now in effect 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.
* Through Friday morning.
* Rain... at times moderate to heavy... will continue through the overnight hours. Total rainfall amounts of 1.5 to 2 inches will be common... .with the potential for locally higher 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 under moderate to heavy rain... rapid runoff due to frozen ground conditions will result in significant rises on area rivers. 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 additional flood warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Lenning
Local Storm Report
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.
Public Information Statement
Statement as of 8:00 PM CST on December 24, 2009
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 6pm ending 6am snow today today depth at 6pm Illinois
Batavia / T / Beach Park / 0.7 / Beecher / 0.0 / Downers Grove 0.0 / T / 3 Melrose Park 0.0 / 0.3 / 5 Oak Brook 0.0 / T / 3 Peotone 0.0 / 0.0 / 2 Plainfield 4sw 0.0 / 0.0 / 2 Richton Park / 0.0 / South Beloit 3se / T / WillowBrook 0.0 / T / 2 Yorkville 2se 0.0 / 0.0 / 3