| 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. | |||||||||||||||||
| 17 | 23:51 | NW 24 G 30 | 2.00 | Light Snow Fog/Mist and Breezy | OVC010 | 18 | 13 | 20 | 18 | 81% | 0 | NA | 29.91 | 1013.8 | 0.02 | 0.11 | |
| 17 | 22:51 | N 15 | 1.25 | Light Snow Fog/Mist | OVC018 | 20 | 15 | 81% | 6 | NA | 29.86 | 1012.1 | 0.02 | ||||
| 17 | 21:51 | NW 17 | 1.75 | Light Snow Fog/Mist | OVC024 | 20 | 17 | 89% | 5 | NA | 29.82 | 1010.9 | 0.03 | ||||
| 17 | 20:51 | NW 15 | 1.00 | Light Snow Fog/Mist | VV012 | 20 | 17 | 89% | 6 | NA | 29.81 | 1010.3 | 0.03 | 0.04 | |||
| 17 | 19:51 | NW 16 | 5.00 | Light Snow | OVC019 | 20 | 15 | 81% | 6 | NA | 29.80 | 1010.2 | 0.01 | ||||
| 17 | 18:51 | NW 14 | 6.00 | Light Snow | OVC021 | 19 | 14 | 81% | 5 | NA | 29.77 | 1008.9 | |||||
| 17 | 17:51 | NW 16 | 9.00 | Light Snow | SCT017 BKN025 OVC075 | 19 | 13 | 22 | 19 | 77% | 4 | NA | 29.76 | 1008.9 | |||
| 17 | 16:51 | W 10 | 10.00 | Overcast | OVC015 | 19 | 13 | 77% | 8 | NA | 29.81 | 1010.4 | |||||
| 17 | 15:51 | W 12 | 10.00 | Overcast | FEW014 SCT033 OVC045 | 19 | 13 | 77% | 6 | NA | 29.80 | 1010.0 | |||||
| 17 | 14:51 | NW 14 | 10.00 | Overcast | FEW014 BKN031 OVC045 | 19 | 14 | 81% | 5 | NA | 29.74 | 1008.0 | |||||
| 17 | 13:51 | W 9 | 7.00 | Light Snow | FEW015 SCT036 OVC060 | 20 | 15 | 81% | 10 | NA | 29.72 | 1007.3 | |||||
| 17 | 12:51 | W 10 | 4.00 | Light Freezing Drizzle Snow Fog/Mist | FEW013 BKN029 OVC034 | 21 | 17 | 85% | 10 | NA | 29.72 | 1007.3 | |||||
| 17 | 11:51 | W 8 | 7.00 | Overcast | SCT024 BKN042 OVC055 | 22 | 16 | 22 | 21 | 78% | 13 | NA | 29.72 | 1007.2 | |||
| 17 | 10:51 | N 5 | 7.00 | Overcast | FEW011 BKN040 OVC050 | 22 | 15 | 75% | 15 | NA | 29.70 | 1006.7 | |||||
| 17 | 09:51 | NW 9 | 6.00 | Overcast with Haze | FEW011 BKN035 OVC048 | 21 | 15 | 78% | 11 | NA | 29.72 | 1007.5 | |||||
| 17 | 08:51 | N 10 | 8.00 | Overcast | FEW009 OVC048 | 21 | 15 | 78% | 10 | NA | 29.70 | 1006.6 | |||||
| 17 | 07:51 | N 9 | 7.00 | Overcast | FEW009 OVC050 | 21 | 16 | 81% | 11 | NA | 29.68 | 1005.9 | |||||
| 17 | 06:51 | NW 9 | 7.00 | Overcast | FEW009 OVC046 | 21 | 17 | 85% | 11 | NA | 29.67 | 1005.5 | |||||
| 17 | 05:51 | N 7 | 6.00 | Fog/Mist | SCT009 OVC046 | 21 | 18 | 22 | 20 | 88% | 12 | NA | 29.65 | 1005.0 | |||
| 17 | 04:51 | N 6 | 6.00 | Fog/Mist | OVC010 | 22 | 19 | 89% | 14 | NA | 29.65 | 1005.1 | |||||
| 17 | 03:51 | N 5 | 5.00 | Fog/Mist | OVC010 | 22 | 19 | 89% | 15 | NA | 29.65 | 1005.0 | |||||
| 17 | 02:51 | NE 3 | 3.00 | Light Snow Fog/Mist | BKN013 OVC021 | 22 | 19 | 89% | NA | NA | 29.64 | 1004.8 | |||||
| 17 | 01:51 | Calm | 2.00 | Light Snow Fog/Mist | OVC011 | 21 | 19 | 92% | NA | NA | 29.66 | 1005.3 | |||||
| 17 | 00:51 | Calm | 2.00 | Light Freezing Drizzle Snow Fog/Mist | BKN007 OVC020 | 21 | 19 | 92% | NA | NA | 29.66 | 1005.3 |
Complete data after midnight (may be delayed 24-48 hours).
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS
SUMMARY:
Weather Underground Historical 24-Hour Weather Radar for Saturday, December 17, 2016 …
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. |
Small correction made to previous graphic regarding lake effect snow impacting ern Cook & then into Lake & Porter Indiana. #ilwx #inwx pic.twitter.com/lUtHNcdt93— NWS Chicago (@NWSChicago) December 18, 2016
Snow areawide into overnight. #LakeEffectSnow clipping ern Cook & then into NW IN. Blowing/drifting. #ilwx #inwx pic.twitter.com/gIEppYsBWO— NWS Chicago (@NWSChicago) December 18, 2016
I-39 at the Illinois River. Non-essential travel is discouraged in areas impacted by the winter storm. #ilwx pic.twitter.com/0IU4GOyvzW— IDOT (@IDOT_Illinois) December 18, 2016
Snow overspreading area this eve, w/blowing snow developing. Lake effect to enhance snow on lakeshore. #ilwx #inwx pic.twitter.com/U2XjEDTTD7— NWS Chicago (@NWSChicago) December 18, 2016
Snow & blowing snow tonight. Heavy #LakeEffectSnow Lake & Porter IN. Extreme cold Sunday through Monday AM. Be careful driving! #ilwx #inwx pic.twitter.com/jeOzYya42K— NWS Chicago (@NWSChicago) December 18, 2016
Snow will cont to spread across nrn IL thru the early evening hours. In heavier bands, vsby will be reduced. pic.twitter.com/Z0LWKdUrfY— NWS Chicago (@NWSChicago) December 17, 2016
Snow has started to move across north central IL and will overspread nrn IL and nw IN thru the aftn. pic.twitter.com/p2s7M93OtG— NWS Chicago (@NWSChicago) December 17, 2016
Starting to see some snow and sleet, as well as freezing rain and drizzle. Precip will continue into early aftn. pic.twitter.com/ItpfhRNZyG— NWS Chicago (@NWSChicago) December 17, 2016
Freezing rain & freezing drizzle into the early aftn across nrn IL & nw IN. Use caution when traveling today. pic.twitter.com/zVu41Cy4dz— NWS Chicago (@NWSChicago) December 17, 2016
Freezing drizzle & freezing rain likely thru midday area wide but more notable south of I-88 in N IL & NW IN. pic.twitter.com/jrqWmeKE3X— NWS Chicago (@NWSChicago) December 17, 2016
We see you arctic air! This animation is of forecast air masses this weekend. Wind Chill Advisory is in effect Sunday. Dress warm, be safe! pic.twitter.com/jS0368DZNZ— NWS Chicago (@NWSChicago) December 17, 2016
Snow/blowing snow tonight. Bitterly cold late tonight thru Monday AM, wind chills -30 possible. #ILWX #INWX pic.twitter.com/qwHRymxY0k— NWS Chicago (@NWSChicago) December 17, 2016
Patchy freezing drizzle is likely early this morning, especially along/south of the I-80 corridor. #ilwx #inwx pic.twitter.com/9GzsQGk2II— NWS Chicago (@NWSChicago) December 17, 2016
Another round of brutal cold is sweeping from the Rockies into the Plains and Midwest this weekend, latest forecast: https://t.co/go6qY3z6eQ pic.twitter.com/6rf0UiB77g— The Weather Channel (@weatherchannel) December 17, 2016
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
864
CDUS43 KLOT 180635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST SUN DEC 18 2016
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 17 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 22 1245 PM 60 1977 34 -12 35
MINIMUM 18 1159 PM -7 1951 20 -2 28
AVERAGE 20 27 -7 32
PRECIPITATION (IN)
YESTERDAY 0.12 1.28 1921 0.06 0.06 0.00
MONTH TO DATE 1.32 1.39 -0.07 1.75
SINCE DEC 1 1.32 1.39 -0.07 1.75
SINCE JAN 1 35.52 36.03 -0.51 36.73
SNOWFALL (IN)
YESTERDAY 1.7 4.6 1951 0.3 1.4 0.0
MONTH TO DATE 17.2 4.1 13.1 1.3
SINCE DEC 1 17.2 4.1 13.1 1.3
SINCE JUL 1 17.2 5.5 11.7 12.5
SNOW DEPTH 5
DEGREE DAYS
HEATING
YESTERDAY 45 38 7 33
MONTH TO DATE 704 602 102 389
SINCE DEC 1 704 602 102 389
SINCE JUL 1 1533 1858 -325 1362
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 NW (320)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LT FREEZING RAIN
SNOW
LIGHT SNOW
SLEET
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 500 AM
LOWEST 73 400 PM
AVERAGE 83
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 62 1877
MINIMUM TEMPERATURE (F) 20 -11 1983
SUNRISE AND SUNSET
DECEMBER 18 2016......SUNRISE 715 AM CST SUNSET 422 PM CST
DECEMBER 19 2016......SUNRISE 715 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 ...
