| 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 | W 6 | 10.00 | Overcast | BKN010 OVC017 | 70 | 67 | 90% | NA | NA | 29.64 | 1003.3 | |||||
| 20 | 22:51 | W 10 | 7.00 | Light Rain | BKN013 OVC017 | 70 | 67 | 90% | NA | NA | 29.63 | 1003.1 | 0.06 | ||||
| 20 | 21:51 | W 9 | 10.00 | Overcast | OVC016 | 71 | 66 | 84% | NA | NA | 29.65 | 1003.5 | |||||
| 20 | 20:51 | W 13 G 21 | 6.00 | Fog/Mist | BKN012 OVC017 | 70 | 66 | 87% | NA | NA | 29.64 | 1003.3 | |||||
| 20 | 19:51 | W 12 | 10.00 | Mostly Cloudy | FEW020 SCT037 BKN090 BKN250 | 72 | 65 | 79% | NA | NA | 29.65 | 1003.5 | |||||
| 20 | 18:51 | W 17 G 24 | 10.00 | Mostly Cloudy | FEW018 BKN025 BKN042 BKN250 | 73 | 65 | 76 | 71 | 76% | NA | NA | 29.65 | 1003.6 | 0.07 | ||
| 20 | 17:51 | W 8 | 10.00 | Mostly Cloudy | FEW028 BKN041 BKN050 | 74 | 66 | 76% | NA | NA | 29.65 | 1003.5 | |||||
| 20 | 16:51 | W 13 G 21 | 10.00 | Light Rain | SCT021 SCT027 BKN035 | 74 | 66 | 76% | NA | NA | 29.65 | 1003.4 | |||||
| 20 | 15:51 | W 9 | 10.00 | Overcast | SCT017 SCT025 OVC032 | 73 | 67 | 81% | NA | NA | 29.64 | 1003.3 | 0.01 | 0.07 | |||
| 20 | 14:51 | W 13 G 21 | 5.00 | Rain | BKN013 OVC033 | 72 | 67 | 84% | NA | NA | 29.63 | 1002.8 | 0.04 | ||||
| 20 | 13:51 | SW 7 G 17 | 6.00 | Rain Fog/Mist | FEW012 BKN018 OVC027 | 71 | 67 | 87% | NA | NA | 29.63 | 1002.8 | 0.02 | ||||
| 20 | 12:51 | SW 18 G 24 | 10.00 | Overcast | FEW023 BKN039 OVC065 | 76 | 64 | 78 | 70 | 67% | NA | 78 | 29.64 | 1003.1 | 0.02 | ||
| 20 | 11:51 | SW 8 | 10.00 | Mostly Cloudy | FEW019 BKN055 BKN130 BKN250 | 76 | 65 | 69% | NA | 78 | 29.65 | 1003.4 | |||||
| 20 | 10:51 | SW 10 | 10.00 | Overcast | FEW036 SCT046 OVC065 | 71 | 66 | 84% | NA | NA | 29.66 | 1003.8 | 0.02 | ||||
| 20 | 09:51 | SW 12 G 23 | 10.00 | Overcast | FEW027 BKN049TCU OVC065 | 77 | 63 | 62% | NA | 79 | 29.65 | 1003.5 | |||||
| 20 | 08:51 | SW 12 | 10.00 | Mostly Cloudy | BKN020 | 75 | 65 | 71% | NA | NA | 29.67 | 1004.1 | |||||
| 20 | 07:51 | S 14 G 21 | 10.00 | Mostly Cloudy | BKN019 | 74 | 65 | 74% | NA | NA | 29.67 | 1004.3 | |||||
| 20 | 06:51 | SW 16 G 23 | 10.00 | A Few Clouds | FEW045 FEW250 | 73 | 63 | 78 | 73 | 71% | NA | NA | 29.67 | 1004.2 | |||
| 20 | 05:51 | S 10 | 10.00 | Partly Cloudy | FEW042 FEW070 SCT150 SCT250 | 74 | 62 | 67% | NA | NA | 29.68 | 1004.5 | |||||
| 20 | 04:51 | S 14 | 10.00 | Mostly Cloudy | FEW070 SCT100 BKN250 | 75 | 63 | 66% | NA | NA | 29.68 | 1004.4 | |||||
| 20 | 03:51 | S 15 G 22 | 10.00 | Partly Cloudy | FEW070 SCT100 SCT250 | 75 | 64 | 69% | NA | NA | 29.70 | 1005.1 | |||||
| 20 | 02:51 | S 10 G 22 | 10.00 | Mostly Cloudy | SCT060 SCT150 BKN250 | 76 | 63 | 64% | NA | 78 | 29.71 | 1005.5 | |||||
| 20 | 01:51 | S 16 G 24 | 10.00 | Mostly Cloudy | SCT033 BKN060 BKN150 BKN250 | 78 | 63 | 60% | NA | 80 | 29.72 | 1005.7 | |||||
| 20 | 00:51 | S 18 G 25 | 10.00 | Overcast | SCT040 BKN060 BKN150 OVC250 | 78 | 63 | 82 | 77 | 60% | NA | 80 | 29.74 | 1006.4 | 0.02 | 0.03 |
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. |
Saturday will be a breezy day for Lake Michigan nearshores & beaches of IL & IN. This will bring hazards for small craft as well as beach goers due to a heightened rip current risk.— NWS Chicago (@NWSChicago) July 21, 2018
Marine Forecast: https://t.co/iXaDnGofig
Beach Forecast: https://t.co/XGo5hSnFkh #ILwx #INwx pic.twitter.com/iRDVpPG9Dj
An ominous Fri afternoon sky from the Wilmette buoy offshore a few miles from NE IL. This form of sky will be common into the weekend, indicative of showers & some gusty, along with building waves.— NWS Chicago (@NWSChicago) July 20, 2018
Marine Forecast: https://t.co/6KB48ytTVi
Beach Forecast: https://t.co/XGo5hSnFkh pic.twitter.com/OfJdTZVPQT
Periodic heavy showers will continue this eve, mainly north and east of a Rockford-to-Kankakee line. This includes the Chicago area. Brief heavy rain will be seen under these, which along with wind gusts over 20 mph will sharply reduce visibility. Allow extra time & use caution. pic.twitter.com/SMyr0se5sC— NWS Chicago (@NWSChicago) July 20, 2018
Periodic showers and a few t-storms this weekend. Temperatures will be below normal, only reaching into the 70s. pic.twitter.com/PcfYWvv748— NWS Chicago (@NWSChicago) July 20, 2018
Climate Prediction Center slightly favoring above average temperatures Aug-Oct. #ilwx #inwx pic.twitter.com/iHPELkvSG0— NWS Chicago (@NWSChicago) July 20, 2018
Periodic showers & storms through the weekend. Some may produce very heavy rainfall, localized flooding and strong wind gusts. Well below no pic.twitter.com/nPV65Ac9cs— NWS Chicago (@NWSChicago) July 20, 2018
3:40 p.m. ET: We've got strong to severe storms swinging eastward through Indiana, Ohio, Kentucky and Michigan. Be on guard through the afternoon for dangerous weather in the Ohio Valley and later into the Tennessee Valley. pic.twitter.com/oKwI73PUAo— The Weather Channel (@weatherchannel) July 20, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SAT JUL 21 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 20 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 856 AM 101 1980 84 -6 88
MINIMUM 70 1159 PM 53 1970 64 6 69
AVERAGE 74 74 0 79
PRECIPITATION (IN)
YESTERDAY 0.15 3.03 1978 0.12 0.03 1.77
MONTH TO DATE 0.79 2.23 -1.44 5.35
SINCE JUN 1 8.42 5.68 2.74 8.79
SINCE JAN 1 27.27 18.76 8.51 26.90
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE JUN 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 10 48 -38 3
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 9 9 0 14
MONTH TO DATE 261 179 82 193
SINCE JUN 1 476 344 132 423
SINCE JAN 1 625 398 227 456
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 800 PM
LOWEST 58 100 AM
AVERAGE 74
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 103 1901
MINIMUM TEMPERATURE (F) 64 51 1970
SUNRISE AND SUNSET
JULY 21 2018..........SUNRISE 535 AM CDT SUNSET 821 PM CDT
JULY 22 2018..........SUNRISE 535 AM CDT SUNSET 820 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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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 ...
