| 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. | |||||||||||||||||
| 11 | 23:51 | S 10 | 10.00 | Fair | CLR | 61 | 48 | 63% | NA | NA | 30.03 | 1016.7 | |||||
| 11 | 22:51 | S 9 | 10.00 | Fair | CLR | 60 | 48 | 65% | NA | NA | 30.03 | 1016.9 | |||||
| 11 | 21:51 | S 9 | 10.00 | Fair | CLR | 63 | 48 | 58% | NA | NA | 30.04 | 1017.0 | |||||
| 11 | 20:51 | S 7 | 10.00 | Fair | CLR | 62 | 49 | 62% | NA | NA | 30.04 | 1017.0 | |||||
| 11 | 19:51 | S 7 | 10.00 | A Few Clouds | FEW100 | 62 | 49 | 62% | NA | NA | 30.04 | 1017.3 | |||||
| 11 | 18:51 | S 8 | 10.00 | A Few Clouds | FEW100 | 62 | 48 | 73 | 62 | 60% | NA | NA | 30.04 | 1017.2 | |||
| 11 | 17:51 | S 10 | 10.00 | Partly Cloudy | SCT100 | 68 | 50 | 53% | NA | NA | 30.05 | 1017.5 | |||||
| 11 | 16:51 | S 14 | 10.00 | Partly Cloudy | SCT110 SCT250 | 72 | 48 | 43% | NA | NA | 30.06 | 1017.6 | |||||
| 11 | 15:51 | S 17 | 10.00 | Mostly Cloudy | SCT100 SCT160 BKN250 | 73 | 48 | 41% | NA | NA | 30.07 | 1018.0 | |||||
| 11 | 14:51 | S 15 | 10.00 | Mostly Cloudy | SCT110 BKN160 BKN250 | 73 | 50 | 44% | NA | NA | 30.09 | 1018.7 | |||||
| 11 | 13:51 | S 14 | 10.00 | Mostly Cloudy | FEW110 SCT160 BKN250 | 72 | 51 | 48% | NA | NA | 30.11 | 1019.4 | |||||
| 11 | 12:51 | S 16 | 10.00 | Mostly Cloudy | FEW100 BKN160 BKN250 | 68 | 50 | 69 | 55 | 53% | NA | NA | 30.14 | 1020.3 | |||
| 11 | 11:51 | S 14 | 10.00 | Mostly Cloudy | FEW070 BKN100 BKN250 | 66 | 51 | 59% | NA | NA | 30.17 | 1021.6 | |||||
| 11 | 10:51 | S 13 | 10.00 | Overcast | BKN110 OVC250 | 66 | 51 | 59% | NA | NA | 30.19 | 1022.4 | |||||
| 11 | 09:51 | S 8 | 10.00 | Mostly Cloudy | FEW120 BKN140 BKN250 | 65 | 51 | 61% | NA | NA | 30.20 | 1022.5 | |||||
| 11 | 08:51 | S 8 | 10.00 | Mostly Cloudy | BKN130 BKN250 | 62 | 51 | 67% | NA | NA | 30.21 | 1023.1 | |||||
| 11 | 07:51 | S 9 | 10.00 | Mostly Cloudy | SCT130 BKN160 BKN250 | 58 | 50 | 75% | NA | NA | 30.21 | 1022.8 | |||||
| 11 | 06:51 | S 7 | 10.00 | Overcast | FEW120 BKN160 OVC250 | 56 | 50 | 62 | 54 | 81% | NA | NA | 30.21 | 1022.9 | |||
| 11 | 05:51 | S 8 | 10.00 | Overcast | BKN170 OVC250 | 56 | 50 | 81% | NA | NA | 30.21 | 1023.0 | |||||
| 11 | 04:51 | S 6 | 10.00 | Overcast | BKN170 OVC250 | 54 | 49 | 83% | NA | NA | 30.21 | 1022.9 | |||||
| 11 | 03:51 | S 6 | 10.00 | Mostly Cloudy | BKN120 BKN250 | 56 | 51 | 84% | NA | NA | 30.20 | 1022.6 | |||||
| 11 | 02:51 | S 7 | 10.00 | Overcast | OVC110 | 58 | 52 | 81% | NA | NA | 30.21 | 1022.8 | |||||
| 11 | 01:51 | S 9 | 10.00 | Light Rain | OVC100 | 61 | 49 | 65% | NA | NA | 30.22 | 1023.1 | 
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 Tuesday, October 11, 2016 …
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. | 
For Wednesday: Cold Front, Gusty Winds, possible Heavy Rainfall, possible Strong to Severe Storms. pic.twitter.com/5aeQOdxxhi— NWS Chicago (@NWSChicago) October 11, 2016
Light showers & sprinkles moving into north central IL early this morning. These will slowly fade in coverage as they move into northeast IL pic.twitter.com/aCDGczIDAC— NWS Chicago (@NWSChicago) October 11, 2016
Mild Tuesday & early Wednesday, then a wet Wednesday afternoon/evening & cooler. Then a re-warm-up for the weekend! pic.twitter.com/SQ9r0KZXOm— NWS Chicago (@NWSChicago) October 11, 2016
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
000
CDUS43 KLOT 120633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT WED OCT 12 2016
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 11 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         73    349 PM  87    1928  64      9       79
  MINIMUM         54    352 AM  27    1996  44     10       51
                                      1906
  AVERAGE         64                        54     10       65
PRECIPITATION (IN)
  YESTERDAY        T             1.47 1972   0.10  -0.10     0.00
  MONTH TO DATE    1.22                      1.10   0.12     0.06
  SINCE SEP 1      2.98                      4.31  -1.33     4.70
  SINCE JAN 1     29.96                     29.44   0.52    28.32
SNOWFALL (IN)
  YESTERDAY        0.0           T    1909   0.0    0.0      0.0
                                      1906
                                      1905
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0       T
  SNOW DEPTH       0
DEGREE DAYS
 HEATING
  YESTERDAY        1                        11    -10        0
  MONTH TO DATE   47                       106    -59       75
  SINCE SEP 1     70                       211   -141      112
  SINCE JUL 1     70                       224   -154      130
 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    9                        10     -1        0
  SINCE SEP 1    174                       102     72      164
  SINCE JAN 1   1139                       842    297      805
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    10.1
SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           300 AM
 LOWEST     41           300 PM
 AVERAGE    64
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        84      2008
                                             1960
                                             1956
 MINIMUM TEMPERATURE (F)   44        28      1988
                                             1987
SUNRISE AND SUNSET
OCTOBER 12 2016.......SUNRISE   701 AM CDT   SUNSET   614 PM CDT
OCTOBER 13 2016.......SUNRISE   702 AM CDT   SUNSET   612 PM CDT
-  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 ...



















