| 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. | |||||||||||||||||
| 28 | 23:51 | SE 5 | 10.00 | Mostly Cloudy | BKN250 | 65 | 54 | 68% | NA | NA | 30.05 | 1017.3 | |||||
| 28 | 22:51 | E 6 | 10.00 | Mostly Cloudy | BKN250 | 67 | 54 | 63% | NA | NA | 30.06 | 1017.4 | |||||
| 28 | 21:51 | E 7 | 10.00 | Mostly Cloudy | BKN250 | 69 | 54 | 59% | NA | NA | 30.08 | 1018.2 | |||||
| 28 | 20:51 | E 8 | 10.00 | Mostly Cloudy | BKN250 | 71 | 53 | 53% | NA | NA | 30.08 | 1018.2 | |||||
| 28 | 19:51 | E 10 | 10.00 | Mostly Cloudy | BKN250 | 75 | 53 | 46% | NA | NA | 30.09 | 1018.5 | |||||
| 28 | 18:51 | E 10 | 10.00 | Partly Cloudy | SCT250 | 79 | 52 | 82 | 79 | 39% | NA | 79 | 30.10 | 1018.9 | |||
| 28 | 17:51 | E 15 | 10.00 | Mostly Cloudy | FEW055 BKN250 | 80 | 52 | 38% | NA | 80 | 30.10 | 1019.0 | |||||
| 28 | 16:51 | SE 10 | 10.00 | Mostly Cloudy | FEW055 BKN250 | 81 | 54 | 39% | NA | 81 | 30.12 | 1019.7 | |||||
| 28 | 15:51 | SE 8 | 10.00 | Mostly Cloudy | SCT060 BKN250 | 81 | 55 | 41% | NA | 81 | 30.13 | 1020.0 | |||||
| 28 | 14:51 | E 12 | 10.00 | Partly Cloudy | FEW055 SCT250 | 82 | 54 | 38% | NA | 81 | 30.14 | 1020.4 | |||||
| 28 | 13:51 | E 13 G 20 | 10.00 | Partly Cloudy | FEW055 SCT250 | 82 | 56 | 41% | NA | 82 | 30.16 | 1020.8 | |||||
| 28 | 12:51 | SE 10 G 18 | 10.00 | Mostly Cloudy | FEW055 BKN250 | 81 | 56 | 81 | 61 | 42% | NA | 81 | 30.17 | 1021.4 | |||
| 28 | 11:51 | SE 9 | 10.00 | Mostly Cloudy | FEW055 BKN250 | 79 | 54 | 42% | NA | 79 | 30.19 | 1021.9 | |||||
| 28 | 10:51 | SE 6 | 10.00 | Mostly Cloudy | BKN250 | 78 | 52 | 40% | NA | 79 | 30.20 | 1022.2 | |||||
| 28 | 09:51 | S 5 | 10.00 | Partly Cloudy | SCT250 | 75 | 57 | 54% | NA | NA | 30.21 | 1022.6 | |||||
| 28 | 08:51 | Calm | 10.00 | A Few Clouds | FEW250 | 71 | 56 | 59% | NA | NA | 30.20 | 1022.5 | |||||
| 28 | 07:51 | Calm | 10.00 | A Few Clouds | FEW250 | 66 | 56 | 70% | NA | NA | 30.20 | 1022.3 | |||||
| 28 | 06:51 | SW 6 | 10.00 | A Few Clouds | FEW250 | 61 | 55 | 61 | 54 | 81% | NA | NA | 30.19 | 1022.2 | |||
| 28 | 05:51 | Calm | 10.00 | A Few Clouds | FEW250 | 57 | 54 | 90% | NA | NA | 30.18 | 1021.7 | |||||
| 28 | 04:51 | Calm | 10.00 | A Few Clouds | FEW250 | 55 | 53 | 93% | NA | NA | 30.16 | 1021.0 | |||||
| 28 | 03:51 | Calm | 10.00 | A Few Clouds | FEW250 | 57 | 54 | 90% | NA | NA | 30.16 | 1021.0 | |||||
| 28 | 02:51 | SW 3 | 10.00 | A Few Clouds | FEW250 | 59 | 55 | 87% | NA | NA | 30.16 | 1021.1 | 
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: Developing
Weather Underground Historical 24-Hour Weather Radar for Thursday, May 28, 2015 …
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. | 
Warm Fri. a chance of periodic showers & storms. An isolated strong to severe storm is possible. Cooler weekend. pic.twitter.com/93fDdXoLw9
— NWS Chicago (@NWSChicago) May 28, 2015
Spectacular rainbow over #Chicago taken by Art Cunningham on the near North Side after Tuesday's storms! #ilwx pic.twitter.com/H8GURIVlHF
— NWS Chicago (@NWSChicago) May 28, 2015
Warm and sunny today, rain and thundersotrms Friday, then cooler air returns for the weekend. #ilwx #inwx pic.twitter.com/dqGVYkZNCz
— NWS Chicago (@NWSChicago) May 28, 2015
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
000
CDUS43 KLOT 290634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI MAY 29 2015
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 28 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         82    413 PM  95    2012  74      8       71
  MINIMUM         54    353 AM  33    1992  52      2       56
  AVERAGE         68                        63      5       64
PRECIPITATION (IN)
  YESTERDAY        0.00          1.76 1908   0.12  -0.12     0.03
  MONTH TO DATE    4.05                      3.32   0.73     4.98
  SINCE MAR 1      8.02                      9.20  -1.18     9.53
  SINCE JAN 1     10.88                     12.72  -1.84    14.83
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 MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0
DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        1
  MONTH TO DATE  164                       213    -49      195
  SINCE MAR 1   1534                      1546    -12     1708
  SINCE JUL 1   6714                      6280    434     7123
 COOLING
  YESTERDAY        3                         2      1        0
  MONTH TO DATE   46                        36     10       53
  SINCE MAR 1     46                        46      0       54
  SINCE JAN 1     46                        46      0       54
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     6.1
SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           400 AM
 LOWEST     36           500 PM
 AVERAGE    65
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      1942
 MINIMUM TEMPERATURE (F)   52        37      1984
                                             1965
SUNRISE AND SUNSET
MAY 29 2015...........SUNRISE   520 AM CDT   SUNSET   818 PM CDT
MAY 30 2015...........SUNRISE   520 AM CDT   SUNSET   819 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® with Temperature/Wind Data || Google: 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 ...



















