| D a t e | Time (cst) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in.) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | |||||||||||||||||
| 16 | 23:51 | SE 5 | 2.50 | Light Freezing Drizzle Fog/Mist | OVC007 | 20 | 18 | 20 | 18 | 92% | 13 | NA | 29.67 | 1005.7 | 0.01 | 0.09 | |
| 16 | 22:51 | SE 6 | 6.00 | Fog/Mist | OVC008 | 20 | 17 | 89% | 12 | NA | 29.70 | 1006.8 | |||||
| 16 | 21:51 | SE 8 | 7.00 | Overcast | OVC010 | 19 | 16 | 88% | 9 | NA | 29.71 | 1007.3 | |||||
| 16 | 20:51 | SE 9 | 4.00 | Fog/Mist | FEW012 BKN017 OVC026 | 19 | 16 | 88% | 8 | NA | 29.76 | 1008.8 | 0.08 | ||||
| 16 | 19:51 | SE 9 | 1.75 | Light Snow Fog/Mist | OVC031 | 19 | 15 | 84% | 8 | NA | 29.80 | 1010.4 | 0.03 | ||||
| 16 | 18:51 | SE 7 | 1.00 | Light Snow Fog/Mist | VV014 | 18 | 15 | 88% | 9 | NA | 29.82 | 1011.1 | 0.05 | ||||
| 16 | 17:51 | SE 9 | 0.50 | Snow Freezing Fog | VV010 | 18 | 14 | 19 | 17 | 84% | 7 | NA | 29.86 | 1012.2 | 0.04 | 0.04 | |
| 16 | 16:51 | SE 12 | 3.00 | Light Snow | BKN029 OVC039 | 18 | 12 | 77% | 5 | NA | 29.87 | 1012.7 | |||||
| 16 | 15:51 | SE 14 | 3.00 | Light Snow | OVC029 | 19 | 9 | 65% | 5 | NA | 29.91 | 1013.9 | |||||
| 16 | 14:51 | SE 12 | 10.00 | Overcast | BKN031 OVC046 | 19 | 7 | 59% | 6 | NA | 29.95 | 1015.3 | |||||
| 16 | 13:51 | SE 13 | 10.00 | Overcast | OVC036 | 19 | 7 | 59% | 6 | NA | 29.97 | 1016.2 | |||||
| 16 | 12:51 | SE 10 | 10.00 | Overcast | BKN045 OVC050 | 18 | 6 | 59% | 6 | NA | 30.02 | 1018.0 | |||||
| 16 | 11:51 | SE 13 | 10.00 | Overcast | OVC047 | 17 | 6 | 17 | 13 | 62% | 3 | NA | 30.08 | 1019.9 | |||
| 16 | 10:51 | S 10 | 10.00 | Overcast | OVC049 | 16 | 5 | 62% | 4 | NA | 30.13 | 1021.8 | |||||
| 16 | 09:51 | SE 13 | 10.00 | Overcast | OVC065 | 15 | 5 | 64% | 1 | NA | 30.16 | 1022.9 | |||||
| 16 | 08:51 | SE 13 | 10.00 | Overcast | OVC075 | 14 | 4 | 64% | -0 | NA | 30.19 | 1023.7 | |||||
| 16 | 07:51 | SE 14 | 10.00 | Overcast | OVC080 | 14 | 4 | 64% | -1 | NA | 30.20 | 1024.1 | |||||
| 16 | 06:51 | S 13 | 10.00 | Overcast | OVC080 | 13 | 4 | 67% | -2 | NA | 30.23 | 1025.2 | |||||
| 16 | 05:51 | S 10 | 10.00 | Overcast | OVC080 | 13 | 5 | 13 | 7 | 70% | 0 | NA | 30.24 | 1025.4 | |||
| 16 | 04:51 | S 8 | 10.00 | Overcast | FEW065 OVC090 | 11 | 5 | 77% | -1 | NA | 30.25 | 1025.9 | |||||
| 16 | 03:51 | SE 6 | 9.00 | Light Snow | BKN060 OVC085 | 11 | 2 | 67% | 1 | NA | 30.28 | 1026.8 | |||||
| 16 | 02:51 | S 5 | 10.00 | Overcast | OVC060 | 10 | 1 | 67% | 1 | NA | 30.31 | 1027.8 | |||||
| 16 | 01:51 | SE 3 | 10.00 | Overcast | BKN060 OVC080 | 9 | -0 | 66% | NA | NA | 30.32 | 1028.4 | |||||
| 16 | 00:51 | SW 3 | 10.00 | Overcast | OVC095 | 8 | -2 | 63% | NA | NA | 30.33 | 1028.6 |
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS
SUMMARY:
Weather Underground Historical 24-Hour Weather Radar for Friday, December 16, 2016 …
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. |
As expected, the onset of the steady heavier snow had quite the impact on travel times Friday. Traffic stats from: https://t.co/bViQaRpOSX pic.twitter.com/1YM3J3zyWd— NWS Chicago (@NWSChicago) December 17, 2016
Periods freezing drizzle & light snow tonight. Snow & ice covered roads & surfaces. BE CAREFUL driving & walking! pic.twitter.com/iU1qjQBRQk— NWS Chicago (@NWSChicago) December 17, 2016
Snow has intensified across portions of N IL. Reduced visibility & snow covered roads making for hazardous travel. pic.twitter.com/ZazxL7w6sb— NWS Chicago (@NWSChicago) December 17, 2016
Snow this PM, then freezing drizzle overnight into Sat AM followed by more snow and cold Sat night. #ilwx #inwx pic.twitter.com/mJFxxaRCBL— NWS Chicago (@NWSChicago) December 16, 2016
Many roads are quickly becoming #snow covered, similar to #Rockford in this image. Use caution this afternoon/evening if you are traveling. pic.twitter.com/YQsgrTI4Ct— NWS Chicago (@NWSChicago) December 16, 2016
Snow will continue to increase in coverage & intensity over northern Illinois & northwest Indiana late this afternoon into the evening. pic.twitter.com/TGJbROAWbq— NWS Chicago (@NWSChicago) December 16, 2016
In the graphics below, you'll find our latest thoughts on the expected snow, ice, & cold this weekend. #ilwx #inwx pic.twitter.com/cczTgGnPR0— NWS Chicago (@NWSChicago) December 16, 2016
Ice is expected in the area tonight into Saturday especially south of I-80. pic.twitter.com/pFj7kyd7VA— NWS Chicago (@NWSChicago) December 16, 2016
Snow increase intensity & area. Reduced vsby & snow covered roads=treacherous conditions & longer commute times. pic.twitter.com/T7WJnF9g67— NWS Chicago (@NWSChicago) December 16, 2016
Snow is moving northeast and expected to be in the Chicago area near 2 pm. pic.twitter.com/ZPk5a47ArF— NWS Chicago (@NWSChicago) December 16, 2016
Forecast snowfall timing for the downtown Chicago area today. The late afternoon/early evening commute looks to be impacted. #ilwx pic.twitter.com/oKrdvLUsWE— NWS Chicago (@NWSChicago) December 16, 2016
Forecast snowfall timing for Rockford, IL today. The late afternoon/early evening commute looks to be impacted. #ilwx pic.twitter.com/u8BrSLDAwd— NWS Chicago (@NWSChicago) December 16, 2016
Snow Fri PM. Wintry mix Fri night/Sat AM. Snow Sat PM-Sat night. Blowing snow Sat night. Much colder Sat night/Sun pic.twitter.com/NjloqzCp3D— NWS Chicago (@NWSChicago) December 16, 2016
Another arctic blast is right behind the bitter cold that has already swept across the northern tier: https://t.co/aogh8w1ZCC pic.twitter.com/dlawaXT7ZU— The Weather Channel (@weatherchannel) December 16, 2016
The 194th game since 1921 between the #Packers and #Bears may be the record coldest of this rivalry. #NFL https://t.co/Pne8hbwWeC pic.twitter.com/o9mdK3wNxa— The Weather Channel (@weatherchannel) December 16, 2016
Live Winter Storm #Decima coverage on @LocalNowTWC for Illinois subscribers. Stay updated w/ app; available on iOS, Android & NOW Roku #ilwx pic.twitter.com/Lb73od8Emf— Local Now (@LocalNowTWC) December 16, 2016
Winter Storm #Decima impacting the #Midwest today, shifting into the Northeast tonight/tomorrow...what you can expect NOW on @AMHQ. pic.twitter.com/yYZ7UtYKWO— The Weather Channel (@weatherchannel) December 16, 2016
After this weekends ARCTIC shot we begin to modify in the EAST then we end December milder as well. CPC Temp. probabilities below. pic.twitter.com/ouT4IKqvNB— Jim Cantore (@JimCantore) December 16, 2016
Light snow this morning in #Chicago as we break from the COLD till Sat. Night. IT WARMED up overnight into the low teens! pic.twitter.com/nU5jEDFkZF— Jim Cantore (@JimCantore) December 16, 2016
Make sure to throw on extra layers! It'll be brutally #cold this #wknd for millions. Temps will be in the single digits & even below zero. 💨 pic.twitter.com/fDNabBnHLb— AMHQ (@AMHQ) December 16, 2016
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
670
CDUS43 KLOT 170634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SAT DEC 17 2016
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 16 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 20 1159 PM 60 1984 34 -14 53
MINIMUM 7 1200 AM -12 1951 20 -13 35
AVERAGE 14 27 -13 44
PRECIPITATION (IN)
YESTERDAY 0.13 1.67 1921 0.07 0.06 0.12
MONTH TO DATE 1.20 1.33 -0.13 1.75
SINCE DEC 1 1.20 1.33 -0.13 1.75
SINCE JAN 1 35.40 35.97 -0.57 36.73
SNOWFALL (IN)
YESTERDAY 1.2 4.8 2008 0.3 0.9 0.0
MONTH TO DATE 15.5 3.8 11.7 1.3
SINCE DEC 1 15.5 3.8 11.7 1.3
SINCE JUL 1 15.5 5.2 10.3 12.5
SNOW DEPTH 4
DEGREE DAYS
HEATING
YESTERDAY 51 38 13 21
MONTH TO DATE 659 564 95 356
SINCE DEC 1 659 564 95 356
SINCE JUL 1 1488 1820 -332 1329
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1157 843 314 806
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LT FREEZING RAIN
SNOW
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 700 PM
LOWEST 56 200 PM
AVERAGE 74
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 60 1977
MINIMUM TEMPERATURE (F) 20 -7 1951
SUNRISE AND SUNSET
DECEMBER 17 2016......SUNRISE 714 AM CST SUNSET 422 PM CST
DECEMBER 18 2016......SUNRISE 715 AM CST SUNSET 422 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
+ + + +
HOMETOWN WEATHER: Arlington Heights Weather Forecast -- Arlingtoncardinal.com/weather
LIVE RADAR | STORM TRACKS | CLOUDS INFRARED SAT | CLOUDS VISIBLE SAT (during daylight)
WunderMap® US Temperature/Wind Data || WunderMap®: O'Hare Temps | NE Illinois Temps
Full Screen Motion Weather Radar (Wunderground.com) Midwest Cloud Cover and Arlington Heights Weather Forecast | SWPC Aurora Forecast
SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...
