| 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. | |||||||||||||||||
| 03 | 23:51 | SW 9 | 10.00 | Fair | CLR | 70 | 54 | 57% | NA | NA | 29.91 | 1012.5 | |||||
| 03 | 22:51 | SW 8 | 10.00 | Fair | CLR | 71 | 55 | 57% | NA | NA | 29.94 | 1013.3 | |||||
| 03 | 21:51 | SW 6 | 10.00 | Fair | CLR | 71 | 55 | 57% | NA | NA | 29.95 | 1014.0 | |||||
| 03 | 20:51 | SW 7 | 10.00 | A Few Clouds | FEW250 | 73 | 54 | 51% | NA | NA | 29.96 | 1014.1 | |||||
| 03 | 19:51 | SW 7 | 10.00 | Mostly Cloudy | BKN250 | 75 | 53 | 46% | NA | NA | 29.95 | 1013.9 | |||||
| 03 | 18:51 | W 7 | 10.00 | Mostly Cloudy | BKN250 | 78 | 51 | 84 | 78 | 39% | NA | 79 | 29.96 | 1014.1 | |||
| 03 | 17:51 | W 10 | 10.00 | Mostly Cloudy | BKN250 | 80 | 52 | 38% | NA | 80 | 29.97 | 1014.4 | |||||
| 03 | 16:51 | W 9 | 10.00 | Mostly Cloudy | FEW075 BKN250 | 81 | 49 | 33% | NA | 80 | 29.97 | 1014.5 | |||||
| 03 | 15:51 | W 10 | 10.00 | Mostly Cloudy | FEW075 BKN250 | 83 | 49 | 31% | NA | 81 | 29.98 | 1014.7 | |||||
| 03 | 14:51 | NW 10 | 10.00 | Partly Cloudy | FEW070 SCT250 | 83 | 49 | 31% | NA | 81 | 29.99 | 1015.0 | |||||
| 03 | 13:51 | NW 6 G 20 | 10.00 | Partly Cloudy | FEW060 SCT250 | 81 | 50 | 34% | NA | 80 | 29.99 | 1015.3 | |||||
| 03 | 12:51 | NW 15 G 23 | 10.00 | Partly Cloudy | FEW055 SCT250 | 80 | 53 | 80 | 59 | 39% | NA | 80 | 30.00 | 1015.7 | |||
| 03 | 11:51 | W 8 | 10.00 | Partly Cloudy | FEW050 SCT250 | 78 | 58 | 50% | NA | 79 | 30.01 | 1016.0 | |||||
| 03 | 10:51 | Vrbl 5 | 10.00 | A Few Clouds | FEW250 | 76 | 56 | 50% | NA | 78 | 30.01 | 1015.9 | |||||
| 03 | 09:51 | NW 8 | 10.00 | A Few Clouds | FEW250 | 73 | 57 | 57% | NA | NA | 30.01 | 1016.0 | |||||
| 03 | 08:51 | NW 5 | 10.00 | A Few Clouds | FEW250 | 68 | 58 | 70% | NA | NA | 30.00 | 1015.7 | |||||
| 03 | 07:51 | NW 6 | 10.00 | A Few Clouds | FEW250 | 63 | 58 | 84% | NA | NA | 30.00 | 1015.6 | |||||
| 03 | 06:51 | W 3 | 9.00 | A Few Clouds | FEW250 | 59 | 56 | 60 | 57 | 90% | NA | NA | 29.99 | 1015.3 | |||
| 03 | 05:51 | W 5 | 10.00 | Fair | CLR | 58 | 55 | 90% | NA | NA | 29.97 | 1014.6 | |||||
| 03 | 04:51 | W 8 | 10.00 | Fair | CLR | 58 | 55 | 90% | NA | NA | 29.95 | 1014.1 | |||||
| 03 | 03:51 | W 3 | 8.00 | Fair | CLR | 58 | 55 | 90% | NA | NA | 29.94 | 1013.8 | |||||
| 03 | 02:51 | W 5 | 8.00 | Fair | CLR | 58 | 55 | 90% | NA | NA | 29.94 | 1013.7 | |||||
| 03 | 01:51 | SW 5 | 9.00 | A Few Clouds | FEW045 FEW250 | 58 | 56 | 93% | NA | NA | 29.94 | 1013.7 | |||||
| 03 | 00:51 | SW 3 | 9.00 | Mostly Cloudy | SCT036 SCT045 BKN250 | 60 | 57 | 71 | 60 | 90% | NA | NA | 29.94 | 1013.7 | 0.25 |
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. |
Similar to last Thu, a smoky sky may be seen over northern IL & northwest IN on Mon given upstream wildfire smoke. May even smell the smoke. pic.twitter.com/FSxNNjjbJU
— NWS Chicago (@NWSChicago) September 4, 2017
A cold front will move across Mon afternoon. Ahead of the front: warm & breezy. Along the front: scattered storms. Behind: Cooler & breezy pic.twitter.com/gGk0p86QW2
— NWS Chicago (@NWSChicago) September 3, 2017
Warm today and Mon. Chance of strong storms south Mon PM and Eve. Much Cooler by Tues. #ilwx #inwx pic.twitter.com/pYrIEJUmr3
— NWS Chicago (@NWSChicago) September 3, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
415
CDUS43 KLOT 040631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT MON SEP 4 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 3 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 320 PM 97 1953 79 5 76
MINIMUM 57 536 AM 47 1974 60 -3 56
AVERAGE 71 69 2 66
PRECIPITATION (IN)
YESTERDAY 0.00 1.92 1961 0.11 -0.11 0.00
MONTH TO DATE 0.25 0.35 -0.10 T
SINCE SEP 1 0.25 0.35 -0.10 T
SINCE JAN 1 31.99 25.48 6.51 26.98
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 SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 7 3 4 0
SINCE SEP 1 7 3 4 0
SINCE JUL 1 12 16 -4 0
COOLING
YESTERDAY 6 5 1 1
MONTH TO DATE 6 17 -11 7
SINCE SEP 1 6 17 -11 7
SINCE JAN 1 789 757 32 972
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 31 200 PM
AVERAGE 62
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 1983
1960
1954
MINIMUM TEMPERATURE (F) 59 45 1997
1982
SUNRISE AND SUNSET
SEPTEMBER 4 2017.....SUNRISE 621 AM CDT SUNSET 720 PM CDT
SEPTEMBER 5 2017.....SUNRISE 622 AM CDT SUNSET 718 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 ...
