| 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. | |||||||||||||||||
| 05 | 23:51 | W 7 | 9.00 | Light Snow | FEW008 OVC080 | 12 | 6 | 12 | 10 | 77% | 1 | NA | 30.22 | 1024.7 | 0.15 | ||
| 05 | 22:51 | W 7 | 9.00 | Light Snow | FEW030 SCT060 OVC095 | 11 | 6 | 81% | 0 | NA | 30.21 | 1024.4 | 0.01 | ||||
| 05 | 21:51 | SW 7 | 3.00 | Light Snow Fog/Mist | OVC020 | 11 | 7 | 84% | 0 | NA | 30.21 | 1024.4 | 0.01 | ||||
| 05 | 20:51 | SW 6 | 1.25 | Light Snow Fog/Mist | OVC010 | 11 | 7 | 84% | 1 | NA | 30.20 | 1024.3 | 0.03 | 0.13 | |||
| 05 | 19:51 | SW 6 | 1.25 | Light Snow Fog/Mist | OVC010 | 11 | 7 | 84% | 1 | NA | 30.17 | 1023.4 | 0.05 | ||||
| 05 | 18:51 | S 8 | 0.75 | Light Snow Fog/Mist | VV007 | 11 | 7 | 84% | -1 | NA | 30.16 | 1023.1 | 0.05 | ||||
| 05 | 17:51 | S 7 | 1.25 | Light Snow Fog/Mist | OVC012 | 10 | 6 | 12 | 10 | 84% | -1 | NA | 30.16 | 1023.1 | 0.04 | 0.07 | |
| 05 | 16:51 | S 6 | 0.75 | Light Snow | VV012 | 10 | 5 | 80% | 0 | NA | 30.17 | 1023.4 | 0.02 | ||||
| 05 | 15:51 | SW 7 | 1.50 | Light Snow | OVC018 | 11 | 4 | 73% | 0 | NA | 30.18 | 1023.7 | 0.01 | ||||
| 05 | 14:51 | SW 9 | 10.00 | Overcast | BKN049 OVC060 | 12 | -2 | 53% | -0 | NA | 30.19 | 1024.0 | |||||
| 05 | 13:51 | SW 9 | 10.00 | Overcast | OVC060 | 11 | -4 | 51% | -2 | NA | 30.16 | 1022.8 | |||||
| 05 | 12:51 | SW 8 | 10.00 | Overcast | BKN075 OVC090 | 11 | -5 | 48% | -1 | NA | 30.22 | 1024.8 | |||||
| 05 | 11:51 | SW 8 | 10.00 | Overcast | SCT160 OVC250 | 11 | -4 | 12 | -3 | 51% | -1 | NA | 30.25 | 1026.0 | |||
| 05 | 10:51 | SW 7 | 10.00 | Mostly Cloudy | SCT150 BKN250 | 9 | -4 | 55% | -2 | NA | 30.26 | 1026.4 | |||||
| 05 | 09:51 | SW 6 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 5 | -4 | 66% | -6 | NA | 30.27 | 1026.5 | |||||
| 05 | 08:51 | W 5 | 10.00 | Overcast | SCT160 OVC250 | 2 | -7 | 65% | -8 | NA | 30.27 | 1026.6 | |||||
| 05 | 07:51 | SW 5 | 10.00 | Mostly Cloudy | BKN250 | -1 | -8 | 72% | -12 | NA | 30.28 | 1026.9 | |||||
| 05 | 06:51 | SW 5 | 10.00 | A Few Clouds | FEW250 | -2 | -9 | 72% | -13 | NA | 30.28 | 1027.1 | |||||
| 05 | 05:51 | W 6 | 10.00 | Fair | CLR | -2 | -10 | 5 | -2 | 68% | -14 | NA | 30.28 | 1027.0 | |||
| 05 | 04:51 | W 6 | 10.00 | A Few Clouds | FEW250 | -2 | -9 | 72% | -14 | NA | 30.24 | 1025.7 | |||||
| 05 | 03:51 | W 6 | 10.00 | A Few Clouds | FEW250 | -0 | -10 | 62% | -12 | NA | 30.23 | 1025.1 | |||||
| 05 | 02:51 | W 7 | 10.00 | Fair | CLR | 1 | -9 | 62% | -12 | NA | 30.24 | 1025.6 | |||||
| 05 | 01:51 | W 10 | 10.00 | Fair | CLR | 2 | -8 | 63% | -13 | NA | 30.25 | 1025.8 | |||||
| 05 | 00:51 | W 9 | 10.00 | Fair | CLR | 4 | -7 | 60% | -10 | NA | 30.24 | 1025.5 | 
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS
FORECAST:
Chicago Weather Forecast
Chicago Weather Radar
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. | 
Moderate to heavy snow occurring south of the I-80 corridor across IL/IN. Snow decreasing in intensity farther north. #ILWX #INWX pic.twitter.com/HaZ8swtbbI— NWS Chicago (@NWSChicago) February 6, 2018
— NWS Chicago (@NWSChicago) February 6, 2018
Multiple snow chances exist this week. Light accum snow for later Tue night, possibly into early Wed a.m.. Multiple snow chances Thu-Sat. pic.twitter.com/VDctIzs9Do— NWS Chicago (@NWSChicago) February 5, 2018
The snowy pattern that arrived with February continues. After snow ends later this evening, more snow -- though mainly light -- is expected later Tuesday night through the pre-dawn hours on Wednesday. This could result in slowed travel for the Wednesday a.m. commute. #ilwx #inwx pic.twitter.com/pE8eVhCRnF— NWS Chicago (@NWSChicago) February 5, 2018
Areas of heavier snow developing this afternoon. Vis less than 1/2 mile and inch per hour rates likely in these areas. #ILWX #INWX pic.twitter.com/5qqDKd2tWA— NWS Chicago (@NWSChicago) February 5, 2018
Snow is quickly spreading across the area. Conditions will deteriorate shortly after the snow starts, with snow easily accumulating on roads & falling visibility. Leave yourself plenty of extra time to reach your destination during commute. Webcam is from #Rockford #ilwx #inwx pic.twitter.com/kjzQzep43N— NWS Chicago (@NWSChicago) February 5, 2018
Snowfall reports will be much appreciated through this evening. Here are the six basic steps for properly measuring snow. #ilwx #inwx pic.twitter.com/NUaYmSieT0— NWS Chicago (@NWSChicago) February 5, 2018
Don't let the sunny morning we had deceive you. Snow is moving into NW IL & spreading east quickly. It will begin in Rockford between 1-2 pm & in Chicago near or shortly after 3 pm. Plan ahead & allow much more extra travel time during the eve commute & be cautious. #ilwx #inwx pic.twitter.com/bhUYY9rZKC— NWS Chicago (@NWSChicago) February 5, 2018
Plan for MUCH longer travel times during PM commute today. Accumulating snow & very cold temps will make for a bad mix, as snow will easily stick on road surfaces. Details for commute time (~3-6pm CST) on graphic. Leave plenty of extra time to reach your destination! #ilwx #inwx pic.twitter.com/RASbSSYNmz— NWS Chicago (@NWSChicago) February 5, 2018
The coldest morning since mid January. Bundle up if spending prolonged time outdoors! Snow will arrive this afternoon. #ilwx #inwx pic.twitter.com/6J2GB56nxs— NWS Chicago (@NWSChicago) February 5, 2018
Snow will overspread nrn IL & NW IN early to mid afternoon and continue through late eve. Snow will be moderate to heavy at times with half pic.twitter.com/vEVLlEUf0D— NWS Chicago (@NWSChicago) February 5, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
087
CDUS43 KLOT 060636
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST TUE FEB 6 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 5 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         12   1159 PM  56    1946  32    -20       38
  MINIMUM         -3    656 AM -17    1979  18    -21       24
  AVERAGE          5                        25    -20       31
PRECIPITATION (IN)
  YESTERDAY        0.22          0.81 1909   0.05   0.17     0.00
  MONTH TO DATE    0.33                      0.25   0.08      T
  SINCE DEC 1      2.46                      4.23  -1.77     4.64
  SINCE JAN 1      1.87                      1.98  -0.11     2.87
SNOWFALL (IN)
  YESTERDAY        2.2           7.0  1907   0.4    1.8      0.0
  MONTH TO DATE    4.1                       1.8    2.3       T
  SINCE DEC 1     14.0                      20.8   -6.8     18.3
  SINCE JUL 1     14.1                      22.2   -8.1     18.3
  SNOW DEPTH       2
DEGREE DAYS
 HEATING
  YESTERDAY       60                        40     20       34
  MONTH TO DATE  232                       201     31      202
  SINCE DEC 1   2642                      2635      7     2550
  SINCE JUL 1   3685                      3891   -206     3379
 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.9
SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG
RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           600 PM
 LOWEST     50           100 PM
 AVERAGE    67
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        57      1882
 MINIMUM TEMPERATURE (F)   18       -14      1982
SUNRISE AND SUNSET
FEBRUARY  6 2018......SUNRISE   659 AM CST   SUNSET   513 PM CST
FEBRUARY  7 2018......SUNRISE   658 AM CST   SUNSET   514 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 ...





















 
