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 | SW 5 | 10.00 | Fair | CLR | 62 | 51 | 67% | NA | NA | 30.02 | 1016.3 | |||||
20 | 22:51 | W 5 | 10.00 | Fair | CLR | 63 | 51 | 65% | NA | NA | 30.00 | 1015.6 | |||||
20 | 21:51 | W 5 | 10.00 | Fair | CLR | 64 | 50 | 60% | NA | NA | 29.98 | 1015.0 | |||||
20 | 20:51 | W 6 | 10.00 | A Few Clouds | FEW065 | 66 | 50 | 56% | NA | NA | 29.97 | 1014.6 | |||||
20 | 19:51 | W 8 | 10.00 | A Few Clouds | FEW065 | 69 | 49 | 49% | NA | NA | 29.95 | 1014.2 | |||||
20 | 18:51 | W 16 G 22 | 10.00 | A Few Clouds | FEW065 | 72 | 48 | 74 | 67 | 43% | NA | NA | 29.94 | 1013.5 | |||
20 | 17:51 | W 17 G 25 | 10.00 | Partly Cloudy | SCT060 | 73 | 49 | 43% | NA | NA | 29.92 | 1013.1 | |||||
20 | 16:51 | W 21 G 30 | 10.00 | Mostly Cloudy and Breezy | BKN060 | 73 | 48 | 41% | NA | NA | 29.91 | 1012.4 | |||||
20 | 15:51 | W 18 G 31 | 10.00 | Mostly Cloudy | BKN055 | 73 | 49 | 43% | NA | NA | 29.89 | 1011.9 | |||||
20 | 14:51 | W 20 G 32 | 10.00 | Mostly Cloudy | BKN055 | 72 | 49 | 44% | NA | NA | 29.88 | 1011.6 | |||||
20 | 13:51 | W 16 G 32 | 10.00 | Mostly Cloudy | BKN049 | 70 | 49 | 47% | NA | NA | 29.89 | 1011.7 | |||||
20 | 12:51 | W 18 G 28 | 10.00 | Mostly Cloudy | BKN042 | 68 | 51 | 69 | 59 | 55% | NA | NA | 29.87 | 1011.3 | |||
20 | 11:51 | W 18 G 28 | 10.00 | Mostly Cloudy | BKN033 | 65 | 50 | 59% | NA | NA | 29.86 | 1011.1 | |||||
20 | 10:51 | W 20 G 26 | 10.00 | Mostly Cloudy | BKN030 BKN036 | 63 | 50 | 63% | NA | NA | 29.86 | 1010.8 | |||||
20 | 09:51 | W 16 G 26 | 10.00 | Mostly Cloudy | BKN024 BKN036 | 63 | 52 | 68% | NA | NA | 29.83 | 1009.9 | |||||
20 | 08:51 | W 14 G 24 | 10.00 | Mostly Cloudy | BKN019 | 60 | 53 | 78% | NA | NA | 29.81 | 1009.3 | |||||
20 | 07:51 | W 15 G 25 | 10.00 | Overcast | OVC017 | 59 | 54 | 83% | NA | NA | 29.80 | 1008.8 | |||||
20 | 06:51 | SW 14 | 10.00 | Mostly Cloudy | BKN017 | 59 | 54 | 63 | 59 | 83% | NA | NA | 29.78 | 1008.1 | |||
20 | 05:51 | W 17 G 22 | 10.00 | Overcast | BKN018 OVC025 | 60 | 55 | 84% | NA | NA | 29.75 | 1007.2 | |||||
20 | 04:51 | SW 12 | 10.00 | Mostly Cloudy | BKN021 | 61 | 55 | 81% | NA | NA | 29.73 | 1006.5 |
Complete data after midnight (may be delayed 24-48 hours).
Working on this section ...
21 | 03:51 | S 3 | 10.00 | A Few Clouds | FEW070 | 57 | 52 | 83% | NA | NA | 30.05 | 1017.4 | |||||
21 | 02:51 | W 7 | 10.00 | Fair | CLR | 58 | 52 | 81% | NA | NA | 30.05 | 1017.3 | |||||
21 | 01:51 | SW 5 | 10.00 | Fair | CLR | 59 | 52 | 78% | NA | NA | 30.05 | 1017.2 | |||||
21 | 00:51 | SW 6 | 10.00 | Fair | CLR | 61 | 52 | 72 | 60 | 72% | NA | NA | 30.04 | 1016.8 |
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, August 20, 2015 …
Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. |
We added a Facebook photo album to the review of Tuesday's thunderstorm event: https://t.co/bV5FOMEYfa Review at http://t.co/ECqZo7fLzp
— NWS Chicago (@NWSChicago) August 21, 2015
Cool start to Fri., but splendid late Aug. wx will return Fri. afternoon & Sat. Chance for showers Sun. #ilwx #inwx pic.twitter.com/AX87eXHkrF
— NWS Chicago (@NWSChicago) August 21, 2015
Beach conditions will be much improved on Friday, w/lighter SW winds & temps around 80. Beach forecast at http://t.co/kfOOXXfsLy
#ilwx #inwx
— NWS Chicago (@NWSChicago) August 20, 2015
Want to swim at a Porter Co beach late this afternoon? We recommend against it. Dangerous conditions thru late eve. pic.twitter.com/49r8rBoQ06
— NWS Chicago (@NWSChicago) August 20, 2015
Another photo of very low wall cloud, possible funnel, of supercell that tracked over Grundy Co. on Tues. #ilwx https://t.co/02uMXLKaHa
— NWS Chicago (@NWSChicago) August 20, 2015
Another photo of very low wall cloud, possible funnel, of supercell that tracked over Grundy Co. on Tues. #ilwx https://t.co/02uMXLKaHa
— NWS Chicago (@NWSChicago) August 20, 2015
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
000
CDUS43 KLOT 210633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI AUG 21 2015
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 20 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 74 450 PM 98 1947 82 -8 86
MINIMUM 59 712 AM 47 1950 63 -4 66
AVERAGE 67 72 -5 76
PRECIPITATION (IN)
YESTERDAY 0.00 1.47 1951 0.16 -0.16 0.00
MONTH TO DATE 1.42 3.30 -1.88 3.92
SINCE JUN 1 11.39 10.45 0.94 13.87
SINCE JAN 1 22.88 23.53 -0.65 28.70
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 T 0.0 0.0 0.0
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 0
SINCE JUN 1 52 52 0 17
SINCE JUL 1 13 4 9 5
COOLING
YESTERDAY 2 7 -5 11
MONTH TO DATE 194 166 28 144
SINCE JUN 1 558 614 -56 521
SINCE JAN 1 611 668 -57 582
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 13.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 400 AM
LOWEST 41 300 PM
AVERAGE 63
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 1955
MINIMUM TEMPERATURE (F) 63 46 1950
SUNRISE AND SUNSET
AUGUST 21 2015........SUNRISE 606 AM CDT SUNSET 743 PM CDT
AUGUST 22 2015........SUNRISE 607 AM CDT SUNSET 742 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 ...