| 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. | |||||||||||||||||
| 26 | 23:51 | NW 10 | 10.00 | Partly Cloudy | SCT110 | 73 | 63 | 71% | NA | NA | 29.98 | 1014.5 | |||||
| 26 | 22:51 | NW 9 | 10.00 | Mostly Cloudy | BKN110 | 75 | 63 | 66% | NA | NA | 29.97 | 1014.3 | |||||
| 26 | 21:51 | NW 13 G 21 | 10.00 | A Few Clouds | FEW090 FEW160 | 76 | 64 | 67% | NA | 78 | 29.96 | 1014.0 | |||||
| 26 | 20:51 | NW 15 | 10.00 | Mostly Cloudy | FEW100 BKN160 | 78 | 66 | 67% | NA | 80 | 29.95 | 1013.7 | |||||
| 26 | 19:51 | W 9 | 10.00 | Mostly Cloudy | FEW075 SCT100 BKN160 | 80 | 64 | 58% | NA | 82 | 29.93 | 1013.0 | |||||
| 26 | 18:51 | W 17 | 10.00 | Mostly Cloudy | SCT075 BKN100 BKN250 | 82 | 63 | 92 | 82 | 53% | NA | 83 | 29.91 | 1012.4 | |||
| 26 | 17:51 | W 12 | 10.00 | Mostly Cloudy | SCT085 SCT160 BKN250 | 88 | 58 | 36% | NA | 87 | 29.89 | 1011.6 | |||||
| 26 | 16:51 | W 12 G 20 | 10.00 | Mostly Cloudy | SCT075 SCT180 BKN250 | 90 | 58 | 34% | NA | 89 | 29.89 | 1011.5 | |||||
| 26 | 15:51 | SW 20 | 10.00 | Mostly Cloudy | SCT075 SCT170 BKN250 | 89 | 58 | 35% | NA | 88 | 29.89 | 1011.6 | |||||
| 26 | 14:51 | SW 18 | 10.00 | Mostly Cloudy | SCT070 BKN200 BKN250 | 90 | 59 | 35% | NA | 89 | 29.90 | 1012.0 | |||||
| 26 | 13:51 | SW 16 | 10.00 | Mostly Cloudy | BKN070 BKN200 BKN250 | 91 | 59 | 34% | NA | 90 | 29.91 | 1012.3 | |||||
| 26 | 12:51 | SW 12 G 21 | 10.00 | Partly Cloudy | FEW070 FEW200 SCT250 | 89 | 61 | 91 | 72 | 39% | NA | 89 | 29.93 | 1012.9 | |||
| 26 | 11:51 | SW 13 | 10.00 | A Few Clouds | FEW070 FEW200 FEW240 | 88 | 62 | 42% | NA | 88 | 29.94 | 1013.2 | |||||
| 26 | 10:51 | S 7 | 10.00 | Partly Cloudy | FEW070 FEW200 SCT240 | 86 | 63 | 46% | NA | 87 | 29.95 | 1013.6 | |||||
| 26 | 09:51 | S 7 | 10.00 | Mostly Cloudy | FEW070 SCT200 BKN240 | 82 | 63 | 53% | NA | 83 | 29.95 | 1013.6 | |||||
| 26 | 08:51 | S 6 | 10.00 | Mostly Cloudy | FEW065 BKN240 | 78 | 62 | 58% | NA | 80 | 29.95 | 1013.7 | |||||
| 26 | 07:51 | S 3 | 10.00 | Mostly Cloudy | BKN250 | 72 | 61 | 68% | NA | NA | 29.95 | 1013.6 | |||||
| 26 | 06:51 | SW 5 | 10.00 | Mostly Cloudy | BKN250 | 73 | 60 | 74 | 70 | 64% | NA | NA | 29.95 | 1013.5 | |||
| 26 | 05:51 | SW 5 | 10.00 | Partly Cloudy | SCT250 | 72 | 59 | 64% | NA | NA | 29.93 | 1012.9 | |||||
| 26 | 04:51 | Calm | 10.00 | Fair | CLR | 71 | 57 | 61% | NA | NA | 29.92 | 1012.6 | |||||
| 26 | 03:51 | Calm | 10.00 | Fair | CLR | 72 | 57 | 59% | NA | NA | 29.92 | 1012.6 | |||||
| 26 | 02:51 | S 3 | 10.00 | A Few Clouds | FEW100 | 71 | 57 | 61% | NA | NA | 29.93 | 1012.8 | |||||
| 26 | 01:51 | S 5 | 10.00 | A Few Clouds | FEW100 | 73 | 57 | 57% | NA | NA | 29.93 | 1012.9 | |||||
| 26 | 00:51 | S 5 | 10.00 | Mostly Cloudy | BKN100 | 74 | 58 | 85 | 73 | 57% | NA | NA | 29.93 | 1012.9 |
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. |
Long stretch of record setting heat ends this evening as cold front sweeps across region. A shower or two psbl, though most areas stay dry. pic.twitter.com/UmM14MFm7o
— NWS Chicago (@NWSChicago) September 26, 2017
Another day of above normal temperatures today, followed by cooler weather to end the work week. pic.twitter.com/Y3xSXiVtkg
— NWS Chicago (@NWSChicago) September 26, 2017
Rundown of the unprecedented heat wave, inc. #Chicago & #Rockford overviews, historical context etc. https://t.co/Kc6jZXtteV #ilwx #inwx pic.twitter.com/n41BPTznqd
— NWS Chicago (@NWSChicago) September 27, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
000
CDUS43 KLOT 270647
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT WED SEP 27 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 26 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 138 PM 90 1998 71 21 69
MINIMUM 70 532 AM 35 1928 50 20 56
AVERAGE 81 60 21 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.71 1933 0.11 -0.11 T
MONTH TO DATE 0.32 2.83 -2.51 1.15
SINCE SEP 1 0.32 2.83 -2.51 1.15
SINCE JAN 1 32.06 27.96 4.10 28.13
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 6 -6 2
MONTH TO DATE 29 77 -48 3
SINCE SEP 1 29 77 -48 3
SINCE JUL 1 34 90 -56 3
COOLING
YESTERDAY 16 1 15 0
MONTH TO DATE 179 88 91 165
SINCE SEP 1 179 88 91 165
SINCE JAN 1 962 828 134 1130
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 900 PM
LOWEST 34 100 PM
AVERAGE 52
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1971
MINIMUM TEMPERATURE (F) 49 31 1942
SUNRISE AND SUNSET
SEPTEMBER 27 2017.....SUNRISE 645 AM CDT SUNSET 640 PM CDT
SEPTEMBER 28 2017.....SUNRISE 646 AM CDT SUNSET 638 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 ...
