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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

Wednesday, February 25, 2015

Chicago Weather O'Hare Data February 25 2015

D
a
t
e
Time
(cst)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond.Temperature (ºF)Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
PressurePrecipitation (in.)
AirDwpt6 houraltimeter
(in)
sea level
(mb)
1 hr3 hr6 hr
Max.

2523:51N 91.50Light Snow Fog/MistOVC0161814201784%7NA30.031017.80.020.15
2522:51N 91.00Light Snow Fog/MistVV010181588%7NA30.021017.60.03
2521:51N 135.00Light Snow Fog/MistFEW015 OVC041191584%6NA30.021017.60.01
2520:51NE 121.50Light Snow Fog/MistSCT013 OVC023191688%6NA30.011017.50.020.09
2519:51N 71.00Light Snow Fog/MistVV011201789%11NA30.001017.20.04
2518:51NE 91.00Light Snow Fog/MistVV011201789%10NA29.991016.80.03
2517:51NE 121.50Light Snow Fog/MistSCT013 OVC0232016262085%8NA29.971016.00.020.02
2516:51E 91.50Light SnowSCT022 BKN028 OVC034201581%10NA29.951015.5
2515:58NE 103.00Light SnowBKN030 OVC037211578%10NA29.941015.1
2514:51NE 710.00OvercastFEW032 OVC055231263%15NA29.931014.7
2513:51N 610.00OvercastFEW033 BKN075 OVC25026744%19NA29.951015.1
2512:51N 310.00OvercastFEW033 FEW090 BKN120 OVC25024748%NANA29.961015.5
2511:51Calm10.00Mostly CloudyFEW030 SCT090 BKN110238241053%NANA29.991016.7
2510:51Calm10.00Mostly CloudyFEW030 SCT075 BKN09522855%NANA30.021017.4
2509:51NE 510.00OvercastFEW030 BKN080 OVC25020655%13NA30.001016.7
2508:51N 710.00Mostly CloudyFEW030 FEW080 SCT095 BKN25017354%7NA30.001016.8
2507:51N 1010.00Partly CloudyFEW030 SCT080 SCT25014-249%1NA29.981016.2
2506:51N 610.00Partly CloudyFEW030 FEW095 SCT25011-353%1NA29.971015.7
2505:51N 910.00A Few CloudsFEW030 FEW25013-3231349%1NA29.941014.7
2504:51N 810.00FairCLR14-053%3NA29.921014.2
2503:51NW 810.00FairCLR15-051%4NA29.921014.1
2502:51N 810.00FairCLR17-145%7NA29.881012.8
2501:51N 1010.00FairCLR18147%6NA29.861012.0
2500:51N 1010.00FairCLR20552%9NA29.841011.4

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

Weather with a high of 26°F felt balmy during the daylight hours. Snow in the evening and night hours brought hazardous travel.  The McHenry County Coroner's Office identified Thursday's Lily Pond Road train-vehicle crash victim as Amanda L. Williams, formerly of Belvidere. Williams was pronounced dead at the scene. She was a freshman at McHenry County College, where she played volleyball. The cause of the crash was reported to be weather-related. Numerous other vehicle crashes occurred, and two other railroad-related incidents occurred. A rollover crash that did not involve a train, but resulted in a vehicle resting on the tracks, occurred in Buffalo Grove near Deerfield Parkway and Commerce. In Elmwood Park, a pedestrian was hit by a train, but was reported to be conscious and breathing at the scene.
www.chicagofiremap.net/2015/02/metra-train-654-involved-in-fatal-crash.html

The snow beginning on Wednesday night ended Thursday, bringing a classification to February 2015 as the third-snowiest February on record at 26.4 inches (February 2011 = 29 inches, February 1896 = 27.8).

Most of the radar mess was southwest of Chicago, but precipitation presented as light snow covered most of northern Illinois.

Weather Underground Historical Weather Radar February 25, 2015 ...

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)