| 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. | |||||||||||||||||
| 29 | 23:51 | Vrbl 7 | 10.00 | Mostly Cloudy | FEW040 BKN130 BKN250 | 71 | 67 | 87% | NA | NA | 29.95 | 1013.6 | |||||
| 29 | 22:51 | N 7 | 10.00 | Mostly Cloudy | FEW016 SCT040 BKN130 BKN250 | 70 | 67 | 90% | NA | NA | 29.95 | 1013.8 | |||||
| 29 | 21:51 | N 9 | 10.00 | Mostly Cloudy | SCT031 BKN120 BKN250 | 71 | 67 | 87% | NA | NA | 29.95 | 1013.8 | |||||
| 29 | 20:47 | E 8 | 10.00 | Overcast | FEW012 BKN020 OVC110 | 71 | 67 | 87% | NA | NA | 29.95 | 1013.6 | |||||
| 29 | 19:51 | N 10 | 10.00 | Overcast | FEW020 FEW100 SCT150 BKN190 OVC250 | 72 | 67 | 84% | NA | NA | 29.93 | 1013.0 | |||||
| 29 | 18:51 | NE 10 | 10.00 | Mostly Cloudy | FEW019 BKN027 BKN070 | 73 | 68 | 79 | 72 | 84% | NA | NA | 29.93 | 1013.1 | 0.11 | ||
| 29 | 17:51 | NE 12 | 10.00 | Overcast | SCT013 BKN020 OVC027 | 73 | 69 | 87% | NA | NA | 29.93 | 1013.2 | |||||
| 29 | 16:51 | NE 13 | 9.00 | Light Rain | SCT009 BKN023 OVC100 | 73 | 70 | 90% | NA | NA | 29.93 | 1013.0 | 0.06 | ||||
| 29 | 15:51 | NE 8 | 4.00 | Light Rain Fog/Mist | OVC017 | 72 | 69 | 91% | NA | NA | 29.93 | 1013.1 | 0.05 | 0.05 | |||
| 29 | 14:51 | NE 12 | 10.00 | Thunderstorm Light Rain | BKN017 BKN043CB OVC055 | 74 | 68 | 82% | NA | NA | 29.94 | 1013.4 | |||||
| 29 | 13:51 | NE 13 | 10.00 | Mostly Cloudy | FEW020 SCT035 BKN200 BKN250 | 76 | 68 | 77% | NA | 77 | 29.89 | 1011.7 | |||||
| 29 | 12:51 | NE 12 | 10.00 | Mostly Cloudy | SCT023 SCT035CB BKN080 BKN250 | 79 | 68 | 81 | 71 | 69% | NA | 81 | 29.92 | 1012.7 | |||
| 29 | 11:51 | NE 10 | 10.00 | Mostly Cloudy | SCT021 SCT060 BKN240 | 80 | 69 | 69% | NA | 83 | 29.93 | 1013.1 | |||||
| 29 | 10:51 | NE 8 | 10.00 | Overcast | BKN021 BKN050 OVC250 | 79 | 70 | 74% | NA | 82 | 29.94 | 1013.4 | |||||
| 29 | 09:51 | E 5 | 10.00 | Mostly Cloudy | SCT016 SCT060 BKN080 BKN250 | 78 | 69 | 74% | NA | 80 | 29.92 | 1012.9 | |||||
| 29 | 08:51 | NE 7 | 10.00 | Mostly Cloudy | BKN014 BKN060 BKN250 | 77 | 69 | 77% | NA | 79 | 29.93 | 1013.2 | |||||
| 29 | 07:51 | NE 6 | 10.00 | Mostly Cloudy | FEW015 FEW050 BKN250 | 74 | 69 | 85% | NA | NA | 29.93 | 1012.9 | |||||
| 29 | 06:51 | N 6 | 10.00 | Mostly Cloudy | FEW015 FEW049 BKN250 | 71 | 68 | 71 | 70 | 90% | NA | NA | 29.92 | 1012.8 | |||
| 29 | 05:51 | N 7 | 9.00 | Mostly Cloudy | FEW014 SCT070 BKN250 | 70 | 68 | 93% | NA | NA | 29.91 | 1012.5 | |||||
| 29 | 04:51 | N 3 | 10.00 | Mostly Cloudy | BKN047 | 70 | 68 | 93% | NA | NA | 29.91 | 1012.4 | |||||
| 29 | 03:51 | N 8 | 7.00 | Overcast | OVC004 | 70 | 68 | 93% | NA | NA | 29.91 | 1012.3 | |||||
| 29 | 02:51 | NE 7 | 6.00 | Fog/Mist | OVC004 | 70 | 68 | 93% | NA | NA | 29.91 | 1012.5 | 
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 Friday, July 29, 2016 …
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. | 
Showers & t-storms continue to bring torrential rains to nrn IL & nw IN. Storms will continue thru evening. pic.twitter.com/2TBjYa24nx
— NWS Chicago (@NWSChicago) July 29, 2016
Showers & t-storms thru Sat evening. High swim risk on Lake Michigan with high waves and currents. pic.twitter.com/yqJgb6qxE7
— NWS Chicago (@NWSChicago) July 29, 2016
Isolated areas of heavy and flash flooding, with amounts of 2-4 inches. Use caution traveling in these areas. pic.twitter.com/K2so4kTwDa
— NWS Chicago (@NWSChicago) July 29, 2016
Slow moving thunderstorms yesterday produced torrential rainfall in some areas. pic.twitter.com/ts4j3NmR5m
— NWS Chicago (@NWSChicago) July 29, 2016
Scattered showers and thunderstorms and dangerous swimming conditions expected today. pic.twitter.com/cMJmc9V88q
— NWS Chicago (@NWSChicago) July 29, 2016
Areas of fog, some dense, early this morning in gray shade. Use low beams, reduce speed, & give extra distance. pic.twitter.com/X9Wnh08okL
— NWS Chicago (@NWSChicago) July 29, 2016
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
000
CDUS43 KLOT 300644
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
142 AM CDT SAT JUL 30 2016
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 29 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         81   1136 AM  99    1913  84     -3       88
  MINIMUM         70   1029 PM  50    1984  64      6       70
  AVERAGE         76                        74      2       79
PRECIPITATION (IN)
  YESTERDAY        0.11          1.58 1989   0.13  -0.02      T
  MONTH TO DATE    6.23                      3.41   2.82     2.85
  SINCE JUN 1      9.08                      6.86   2.22     9.97
  SINCE JAN 1     22.72                     19.94   2.78    21.46
SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0       T
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0
DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0       13
  SINCE JUN 1     13                        48    -35       52
  SINCE JUL 1      0                         0      0       13
 COOLING
  YESTERDAY       11                         9      2       14
  MONTH TO DATE  316                       260     56      222
  SINCE JUN 1    532                       425    107      340
  SINCE JAN 1    606                       479    127      393
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     8.4
SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG
RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM
 LOWEST     69          1100 AM
 AVERAGE    83
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       102      1916
 MINIMUM TEMPERATURE (F)   64        50      1984
SUNRISE AND SUNSET
JULY 30 2016..........SUNRISE   544 AM CDT   SUNSET   812 PM CDT
JULY 31 2016..........SUNRISE   545 AM CDT   SUNSET   811 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 ...



















