| 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. | |||||||||||||||||
| 20 | 23:51 | S 9 | 10.00 | Overcast | FEW100 OVC250 | 80 | 67 | 64% | NA | 82 | 29.92 | 1012.5 | |||||
| 20 | 22:51 | SW 9 | 10.00 | Mostly Cloudy | BKN250 | 81 | 66 | 61% | NA | 83 | 29.93 | 1012.7 | |||||
| 20 | 21:51 | SW 7 | 10.00 | Partly Cloudy | SCT250 | 82 | 66 | 58% | NA | 84 | 29.90 | 1011.8 | |||||
| 20 | 20:51 | S 12 | 10.00 | Partly Cloudy | FEW055 SCT250 | 83 | 66 | 57% | NA | 85 | 29.86 | 1010.6 | |||||
| 20 | 19:51 | S 10 | 10.00 | Partly Cloudy | FEW055 SCT250 | 84 | 66 | 55% | NA | 86 | 29.85 | 1010.4 | |||||
| 20 | 18:51 | S 13 | 10.00 | A Few Clouds | FEW055 FEW250 | 87 | 66 | 92 | 87 | 50% | NA | 89 | 29.84 | 1009.9 | |||
| 20 | 17:51 | S 23 G 26 | 10.00 | Fair and Breezy | CLR | 90 | 65 | 44% | NA | 92 | 29.85 | 1010.2 | |||||
| 20 | 16:51 | S 20 | 10.00 | A Few Clouds | FEW050 | 91 | 66 | 44% | NA | 94 | 29.84 | 1009.9 | |||||
| 20 | 15:51 | S 21 G 26 | 10.00 | A Few Clouds and Breezy | FEW047 | 92 | 67 | 44% | NA | 96 | 29.85 | 1010.1 | |||||
| 20 | 14:51 | S 17 | 10.00 | Partly Cloudy | FEW047 FEW100 SCT250 | 91 | 67 | 45% | NA | 94 | 29.86 | 1010.7 | |||||
| 20 | 13:51 | S 14 G 21 | 10.00 | Partly Cloudy | FEW048 FEW100 SCT250 | 91 | 67 | 45% | NA | 94 | 29.89 | 1011.4 | |||||
| 20 | 12:51 | SW 10 G 21 | 10.00 | A Few Clouds | FEW048 FEW100 | 89 | 67 | 89 | 66 | 48% | NA | 92 | 29.90 | 1012.0 | |||
| 20 | 11:51 | S 12 | 10.00 | Mostly Cloudy | SCT100 BKN250 | 87 | 66 | 50% | NA | 89 | 29.91 | 1012.1 | |||||
| 20 | 10:51 | S 10 | 10.00 | A Few Clouds | FEW250 | 83 | 67 | 59% | NA | 86 | 29.89 | 1011.8 | |||||
| 20 | 09:51 | S 10 | 10.00 | A Few Clouds | FEW250 | 78 | 66 | 67% | NA | 80 | 29.90 | 1012.0 | |||||
| 20 | 08:51 | SE 12 | 10.00 | A Few Clouds | FEW070 FEW250 | 73 | 65 | 76% | NA | NA | 29.91 | 1012.3 | |||||
| 20 | 07:51 | SE 9 | 8.00 | A Few Clouds | FEW070 | 69 | 65 | 87% | NA | NA | 29.91 | 1012.6 | |||||
| 20 | 06:51 | SE 7 | 6.00 | Fog/Mist | FEW070 | 66 | 63 | 66 | 62 | 90% | NA | NA | 29.92 | 1012.8 | |||
| 20 | 05:51 | SE 7 | 4.00 | Fog/Mist | FEW065 | 64 | 62 | 93% | NA | NA | 29.92 | 1012.7 | |||||
| 20 | 04:51 | SE 5 | 4.00 | Fog/Mist | FEW070 | 64 | 62 | 93% | NA | NA | 29.92 | 1012.8 | |||||
| 20 | 03:51 | SE 3 | 4.00 | Fog/Mist | CLR | 64 | 62 | 93% | NA | NA | 29.91 | 1012.6 | |||||
| 20 | 02:51 | SE 5 | 6.00 | Fog/Mist | CLR | 63 | 61 | 93% | NA | NA | 29.90 | 1012.0 | |||||
| 20 | 01:51 | SE 5 | 6.00 | Fog/Mist | CLR | 63 | 61 | 93% | NA | NA | 29.90 | 1012.2 | |||||
| 20 | 00:51 | SE 5 | 8.00 | Fair | CLR | 64 | 61 | 71 | 64 | 90% | NA | NA | 29.92 | 1012.7 |
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. |
Dense Fog Advisory continues for Lake (IN), Porter, Jasper, Lake (IL), & McHenry counties til 900 AM CDT. Patchy fog elsewhere. Use caution. pic.twitter.com/tmqsOc9U8u— NWS Chicago (@NWSChicago) September 20, 2017
Very warm & humid conditions develop today. T-storm chances increase late afternoon & evening. A few could be severe near I-39 corridor. pic.twitter.com/K6STu2P57g— NWS Chicago (@NWSChicago) September 20, 2017
Dense fog across NW IN & far NE IL may result in hazardous travel conditions. A dense fog advisory continues until 9AM CDT. pic.twitter.com/s3IXP3JGA1— NWS Chicago (@NWSChicago) September 20, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
726
CDUS43 KLOT 210635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU SEP 21 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 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 92R 329 PM 91 1931 73 19 83
1895
MINIMUM 62 227 AM 36 1991 52 10 66
AVERAGE 77 63 14 75
PRECIPITATION (IN)
YESTERDAY 0.00 1.33 2001 0.11 -0.11 T
MONTH TO DATE 0.32 2.18 -1.86 0.59
SINCE SEP 1 0.32 2.18 -1.86 0.59
SINCE JAN 1 32.06 27.31 4.75 27.57
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 4 -4 0
MONTH TO DATE 29 44 -15 1
SINCE SEP 1 29 44 -15 1
SINCE JUL 1 34 57 -23 1
COOLING
YESTERDAY 12 2 10 10
MONTH TO DATE 76 78 -2 133
SINCE SEP 1 76 78 -2 133
SINCE JAN 1 859 818 41 1098
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 10.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 44 100 PM
AVERAGE 69
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 1970
MINIMUM TEMPERATURE (F) 52 39 1991
1983
1889
SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE 638 AM CDT SUNSET 650 PM CDT
SEPTEMBER 22 2017.....SUNRISE 639 AM CDT SUNSET 648 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 ...
