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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).

Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

ARLINGTON HEIGHTS WEATHER

Friday, December 31, 2010

DECEMBER CHICAGO NORMALS FOR TEMPERATURE, PRECIPITATION, SNOWFALL (1981-2010)

JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC

Day of MonthHighLowAverageHDDCDDPrecipitationSnowfall
14026333200.090.2
24025323300.100.2
33925323300.090.2
43924313400.090.2
53824313400.090.3
63824313400.080.2
73723303500.090.2
83723303500.090.3
93722293600.080.2
103622293600.080.3
113622293600.090.2
123521283700.070.3
133521283700.080.3
143521283700.070.2
153521283700.070.3
163420273800.070.3
173420273800.060.3
183420273800.060.3
193420263800.070.3
203319263900.060.3
213319263900.070.3
223319263900.060.3
233319263900.060.3
243319263900.060.3
253218254000.060.2
263218254000.060.3
273218254000.060.4
283218254000.060.3
293218254000.060.3
303218254000.060.4
313217244000.060.3
MONTH34.820.727.7115502.258.5






HDD = A Heating Degree Day represents the number of degree(s) that the mean temperature for the day is below 65 degrees during a day.

CDD = A Cooling Degree Day represents the number of degree(s) that the mean temperature for the day is above 65 degrees during a day.

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

HOMETOWN WEATHER: Arlington Heights Weather Forecast -- Arlingtoncardinal.com/weather

LIVE RADAR | STORM TRACKS | CLOUDS INFRARED SAT | CLOUDS VISIBLE SAT (during daylight)

WunderMap® with Temperature/Wind Data || Google: O'Hare  Temps | NE Illinois Temps
Full Screen Motion Weather Radar (Wunderground.com) Midwest Cloud Cover and Arlington Heights Weather Forecast

SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)