| 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. | |||||||||||||||||
| 18 | 23:51 | W 7 | 10.00 | Fair | CLR | -7 | -15 | -2 | -7 | 68% | -22 | NA | 30.69 | 1041.3 | |||
| 18 | 22:51 | W 6 | 10.00 | Fair | CLR | -7 | -14 | 71% | -20 | NA | 30.69 | 1041.1 | |||||
| 18 | 21:51 | W 8 | 10.00 | Fair | CLR | -5 | -14 | 64% | -20 | NA | 30.67 | 1040.6 | |||||
| 18 | 20:51 | W 7 | 10.00 | Fair | CLR | -5 | -14 | 64% | -19 | NA | 30.67 | 1040.4 | |||||
| 18 | 19:51 | W 13 | 10.00 | A Few Clouds | FEW020 | -3 | -14 | 58% | -22 | NA | 30.66 | 1040.1 | |||||
| 18 | 18:51 | W 10 | 10.00 | A Few Clouds | FEW020 | -3 | -12 | 65% | -20 | NA | 30.65 | 1039.8 | |||||
| 18 | 17:51 | W 7 | 10.00 | A Few Clouds | FEW020 | -2 | -11 | 8 | -2 | 65% | -15 | NA | 30.63 | 1038.8 | |||
| 18 | 16:51 | W 13 | 10.00 | A Few Clouds | FEW020 | 1 | -9 | 62% | -17 | NA | 30.60 | 1037.7 | |||||
| 18 | 15:51 | W 12 | 10.00 | A Few Clouds | FEW020 | 3 | -8 | 60% | -14 | NA | 30.55 | 1035.9 | |||||
| 18 | 14:51 | W 12 | 10.00 | A Few Clouds | FEW020 | 5 | -8 | 54% | -11 | NA | 30.51 | 1034.9 | |||||
| 18 | 13:51 | W 10 | 10.00 | A Few Clouds | FEW020 | 6 | -6 | 57% | -8 | NA | 30.49 | 1033.8 | |||||
| 18 | 12:51 | W 10 | 10.00 | A Few Clouds | FEW020 | 7 | -4 | 60% | -7 | NA | 30.47 | 1033.3 | |||||
| 18 | 11:51 | W 12 | 10.00 | A Few Clouds | FEW020 | 7 | -3 | 9 | 4 | 63% | -9 | NA | 30.46 | 1032.8 | |||
| 18 | 10:51 | NW 13 | 10.00 | A Few Clouds | FEW020 | 6 | -3 | 66% | -11 | NA | 30.45 | 1032.4 | |||||
| 18 | 09:51 | NW 13 | 10.00 | A Few Clouds | FEW035 FEW080 | 5 | -3 | 69% | -12 | NA | 30.42 | 1031.5 | |||||
| 18 | 08:51 | NW 14 | 10.00 | A Few Clouds | FEW035 FEW080 | 5 | -3 | 69% | -12 | NA | 30.38 | 1030.1 | |||||
| 18 | 07:51 | NW 15 | 10.00 | A Few Clouds | FEW035 FEW080 | 4 | -2 | 76% | -14 | NA | 30.32 | 1028.0 | |||||
| 18 | 06:51 | NW 15 | 10.00 | Partly Cloudy | FEW035 SCT080 | 5 | -1 | 76% | -13 | NA | 30.26 | 1026.1 | |||||
| 18 | 05:51 | NW 16 | 10.00 | Overcast | FEW035 SCT070 OVC090 | 9 | 3 | 18 | 9 | 77% | -8 | NA | 30.20 | 1023.9 | 0.03 | ||
| 18 | 04:51 | NW 18 | 3.00 | Light Snow Fog/Mist | SCT029 OVC080 | 11 | 5 | 77% | -7 | NA | 30.14 | 1021.7 | |||||
| 18 | 03:51 | NW 18 | 1.25 | Light Snow Fog/Mist | OVC035 | 14 | 9 | 80% | -3 | NA | 30.09 | 1020.2 | 0.01 | ||||
| 18 | 02:51 | NW 22 | 1.00 | Light Snow Fog/Mist and Breezy | OVC024 | 14 | 9 | 80% | -4 | NA | 30.06 | 1019.0 | 0.01 | 0.02 | |||
| 18 | 01:51 | NW 16 | 1.50 | Light Snow Fog/Mist | OVC029 | 16 | 12 | 84% | 1 | NA | 30.00 | 1017.1 | |||||
| 18 | 00:51 | NW 20 G 29 | 1.00 | Light Snow Fog/Mist | BKN017 OVC043 | 17 | 12 | 80% | 0 | NA | 29.94 | 1014.8 | 0.01 |
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS
SUMMARY:
Weather Underground Historical 24-Hour Weather Radar for Sunday, December 18, 2016 …
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. |
9pm temps & wind chills, plus a few NWS Chicago fans who were prepared & bundled up for the cold! pic.twitter.com/7KRXCh4RvV
— NWS Chicago (@NWSChicago) December 19, 2016
Tonight's bitterly cold temperatures will be followed by a moderating trend & more typical Dec temps this week! pic.twitter.com/EwuBUddHr6
— NWS Chicago (@NWSChicago) December 19, 2016
Temps today (blue line) barely rose from early morning lows today & have already begun to drop! Cold night ahead! pic.twitter.com/BzKe60XXMN
— NWS Chicago (@NWSChicago) December 18, 2016
Snowfall totals from Friday night through Sunday Morning.https://t.co/qeWFemFI9o pic.twitter.com/MpcZ2oyY2K
— NWS Chicago (@NWSChicago) December 18, 2016
Winds with low temps will make it feel even colder through Monday a.m. If you must be outside, dress in layers. pic.twitter.com/k2WyUK7QfQ
— NWS Chicago (@NWSChicago) December 18, 2016
Saturday night snowfall totals. Another December weekend with snow in the books! #ThreeForThree https://t.co/lgyYz13n6W pic.twitter.com/wuxCypRl65
— NWS Chicago (@NWSChicago) December 18, 2016
We are not the only ones feeling the cold. At 6 am:
— NWS Chicago (@NWSChicago) December 18, 2016
Dallas: 18°
Denver: 0°
St. Louis 0°
Kansas City -8°
Minneapolis -17°
Bismarck -25° pic.twitter.com/huaZ5byaBB
Bitterly cold temps & wind chills thru Monday morning. #ILWX #INWX pic.twitter.com/JHtgNSzpyf
— NWS Chicago (@NWSChicago) December 18, 2016
Winds with low temps will make it feel even colder through Monday a.m. If you must be outside, dress in layers. pic.twitter.com/k2WyUK7QfQ
— NWS Chicago (@NWSChicago) December 18, 2016
Saturday night snowfall totals. Another December weekend with snow in the books! #ThreeForThree https://t.co/lgyYz13n6W pic.twitter.com/wuxCypRl65
— NWS Chicago (@NWSChicago) December 18, 2016
We are not the only ones feeling the cold. At 6 am:
— NWS Chicago (@NWSChicago) December 18, 2016
Dallas: 18°
Denver: 0°
St. Louis 0°
Kansas City -8°
Minneapolis -17°
Bismarck -25° pic.twitter.com/huaZ5byaBB
Bitterly cold temps & wind chills thru Monday morning. #ILWX #INWX pic.twitter.com/JHtgNSzpyf
— NWS Chicago (@NWSChicago) December 18, 2016
Snow ending from west to east early this a.m. Shallow areas of blowing snow, especially in open locations continues pic.twitter.com/lA4FByvZdH
— NWS Chicago (@NWSChicago) December 18, 2016
Radar showing snow band with embedded vortices into NW IN. Wind gust measured at 48 mph at near the shore. Whiteout conditions observed. pic.twitter.com/WPsdPtzo4t
— NWS Chicago (@NWSChicago) December 18, 2016
Heavy lake effect snow with near white out conditions over portions of NW IN through early this morning. #ilwx #inwx pic.twitter.com/LP76ELFKvV
— NWS Chicago (@NWSChicago) December 18, 2016
The week ahead will feature rebounding temperatures for many that have been shivering for days: https://t.co/svXqaKeJgC pic.twitter.com/9enY5uHsxU
— The Weather Channel (@weatherchannel) December 18, 2016
Great morning for tailgate outside Soldier Field at 12F @ChicagoBears @packers pic.twitter.com/cDGHrZQZsg
— Jim Cantore (@JimCantore) December 18, 2016
The bitter cold arctic air mass has set dozens of record lows in the Plains this weekend: https://t.co/S2O3DvIvzI pic.twitter.com/gspeUc77Zo
— The Weather Channel (@weatherchannel) December 18, 2016
Get ready for a brutally cold start to the work week. Here's a look at just some of the places that could see record lows tomorrow! pic.twitter.com/8K199cGBJd
— AMHQ (@AMHQ) December 18, 2016
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
037
CDUS43 KLOT 190640
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1240 AM CST MON DEC 19 2016
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 18 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 18 1214 AM 62 1877 34 -16 32
MINIMUM -7 1159 PM -11 1983 20 -27 24
AVERAGE 6 27 -21 28
PRECIPITATION (IN)
YESTERDAY 0.03 1.41 2002 0.06 -0.03 T
MONTH TO DATE 1.35 1.45 -0.10 1.75
SINCE DEC 1 1.35 1.45 -0.10 1.75
SINCE JAN 1 35.55 36.09 -0.54 36.73
SNOWFALL (IN)
YESTERDAY 0.5 6.7 1929 0.2 0.3 0.2
MONTH TO DATE 17.7 4.3 13.4 1.5
SINCE DEC 1 17.7 4.3 13.4 1.5
SINCE JUL 1 17.7 5.7 12.0 12.7
SNOW DEPTH 6
DEGREE DAYS
HEATING
YESTERDAY 59 38 21 37
MONTH TO DATE 763 640 123 426
SINCE DEC 1 763 640 123 426
SINCE JUL 1 1592 1896 -304 1399
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 28 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 200 AM
LOWEST 56 800 PM
AVERAGE 72
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 64 1877
MINIMUM TEMPERATURE (F) 20 -14 1983
SUNRISE AND SUNSET
DECEMBER 19 2016......SUNRISE 715 AM CST SUNSET 423 PM CST
DECEMBER 20 2016......SUNRISE 716 AM CST SUNSET 423 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 ...
