| 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. | |||||||||||||||||
| 19 | 23:51 | NE 6 | 9.00 | Mostly Cloudy | BKN006 | 68 | 65 | 90% | NA | NA | 29.98 | 1014.9 | |||||
| 19 | 22:51 | NE 9 | 8.00 | Mostly Cloudy | BKN006 | 68 | 65 | 90% | NA | NA | 29.99 | 1015.1 | |||||
| 19 | 21:51 | NE 10 | 8.00 | Mostly Cloudy | BKN007 | 67 | 65 | 93% | NA | NA | 30.00 | 1015.6 | |||||
| 19 | 20:51 | NE 8 | 10.00 | Partly Cloudy | FEW012 SCT170 SCT200 | 67 | 64 | 91% | NA | NA | 30.00 | 1015.4 | |||||
| 19 | 19:51 | E 6 | 10.00 | Partly Cloudy | FEW040 FEW110 SCT150 SCT250 | 67 | 63 | 87% | NA | NA | 29.98 | 1015.0 | |||||
| 19 | 18:51 | E 10 | 9.00 | Mostly Cloudy | FEW042 SCT110 BKN140 BKN250 | 66 | 63 | 75 | 66 | 90% | NA | NA | 29.97 | 1014.7 | 0.01 | 0.21 | |
| 19 | 17:51 | NE 12 | 4.00 | Light Rain Fog/Mist | SCT025 BKN048 OVC080 | 66 | 63 | 90% | NA | NA | 30.04 | 1017.0 | 0.20 | ||||
| 19 | 16:51 | N 13 | 10.00 | Mostly Cloudy | BKN070 BKN250 | 70 | 61 | 73% | NA | NA | 30.03 | 1016.6 | |||||
| 19 | 15:51 | NE 10 | 10.00 | Mostly Cloudy | FEW020 BKN085 BKN200 BKN250 | 71 | 61 | 71% | NA | NA | 30.02 | 1016.2 | |||||
| 19 | 14:51 | NE 14 | 10.00 | Overcast | FEW020 BKN200 OVC250 | 71 | 61 | 71% | NA | NA | 30.03 | 1016.7 | |||||
| 19 | 13:51 | NE 12 | 10.00 | Mostly Cloudy | FEW018 BKN210 BKN250 | 73 | 62 | 69% | NA | NA | 30.04 | 1017.0 | |||||
| 19 | 12:51 | NE 12 | 10.00 | Mostly Cloudy | FEW018 FEW032 SCT230 BKN250 | 74 | 62 | 76 | 68 | 67% | NA | NA | 30.03 | 1016.7 | |||
| 19 | 11:51 | NE 10 | 10.00 | Mostly Cloudy | FEW018 BKN250 | 75 | 61 | 62% | NA | NA | 30.04 | 1016.8 | |||||
| 19 | 10:51 | E 6 | 10.00 | Mostly Cloudy | FEW015 BKN250 | 74 | 62 | 67% | NA | NA | 30.04 | 1016.9 | |||||
| 19 | 09:51 | E 6 | 10.00 | Partly Cloudy | FEW014 SCT250 | 71 | 62 | 73% | NA | NA | 30.04 | 1017.0 | |||||
| 19 | 08:51 | E 8 | 10.00 | Mostly Cloudy | SCT013 BKN250 | 70 | 62 | 76% | NA | NA | 30.03 | 1016.7 | |||||
| 19 | 07:51 | E 8 | 10.00 | Overcast | OVC013 | 68 | 62 | 81% | NA | NA | 30.04 | 1016.9 | |||||
| 19 | 06:51 | E 8 | 10.00 | Overcast | OVC013 | 68 | 61 | 68 | 66 | 78% | NA | NA | 30.03 | 1016.6 | |||
| 19 | 05:51 | NE 10 | 10.00 | Overcast | OVC014 | 68 | 62 | 81% | NA | NA | 30.02 | 1016.2 | |||||
| 19 | 04:51 | NE 10 | 10.00 | Overcast | OVC013 | 67 | 62 | 84% | NA | NA | 30.01 | 1015.9 | |||||
| 19 | 03:51 | NE 9 | 10.00 | Mostly Cloudy | BKN013 | 66 | 62 | 87% | NA | NA | 30.00 | 1015.7 | |||||
| 19 | 02:51 | NE 9 | 10.00 | Partly Cloudy | SCT012 | 66 | 62 | 87% | NA | NA | 30.00 | 1015.7 | |||||
| 19 | 01:51 | NE 10 | 10.00 | A Few Clouds | FEW013 | 66 | 62 | 87% | NA | NA | 30.01 | 1015.7 | |||||
| 19 | 00:51 | N 8 | 10.00 | A Few Clouds | FEW013 FEW250 | 67 | 63 | 72 | 67 | 87% | NA | NA | 30.00 | 1015.5 |
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. |
Scattered showers & storms are developing south of I-80. Severe storms are not expected at this time, but the storms south of I-80 may produce lightning and gusts up to 40 MPH. Mainly showers are expected north of I-80. pic.twitter.com/R5PjxOASkW— NWS Chicago (@NWSChicago) September 19, 2018
Likely the last surge of heat of 2018 on Thursday ahead of a strong cold front. Fall temps arrive Friday PM just in time for official start of Autumn 8:54pm CDT Sat. Chance for some t-storms Thu. AM & again late Thu. night into Fri. AM with front, dry this weekend. #ilwx #inwx pic.twitter.com/hB6vqDiEHj— NWS Chicago (@NWSChicago) September 19, 2018
Looking more closely at Thursday's forecast, the highest chance for t-storms during AM (pre-dawn thru ~10am CDT) will be across far northern IL. Near record heat psbl during aftn. 9/20 record highs may be threatened at #Chicago & #Rockford. Likely last 90s of 2018! #ilwx #inwx pic.twitter.com/eZUKpgAjiL— NWS Chicago (@NWSChicago) September 19, 2018
Effective today, NWS Chicago has transferred #LakeMichigan open waters forecast responsibility to @NWSMKX, closing decades of open lake forecasts issued by our office. IL & IN nearshore (w/in 5 mi of shore) forecasts continue. https://t.co/iUspssXUaAhttps://t.co/2AAZesIbv3 pic.twitter.com/IMabcXlMwv— NWS Chicago (@NWSChicago) September 19, 2018
Mild north & very warm south today, similar to Tues. Chance for a few aftn showers & t-storms across nrn IL. After chance for additional showers & t-storms into AM, temps will soar into the upper 80s to 90s Thu aftn. 9/20 record highs for #Chicago & #Rockford psbl. #ilwx #inwx pic.twitter.com/1Zr3VCntvX— NWS Chicago (@NWSChicago) September 19, 2018
Scattered storms become more numerous tonight as warm front returns north. Dry and cooler this weekend. pic.twitter.com/ZmuikcJUCC— NWS Chicago (@NWSChicago) September 19, 2018
Refreshing pattern change will bring relief from the heat and humidity in the central and eastern U.S. next week: https://t.co/nZMDzh7kQD pic.twitter.com/nUKaJLAzUp— The Weather Channel (@weatherchannel) September 19, 2018
More heavy rain and #severe storms are expected to move through the Midwest and Northeast into late week: https://t.co/weCZCtQrVn pic.twitter.com/xcshedegO3— The Weather Channel (@weatherchannel) September 19, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT THU SEP 20 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 19 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 76 1105 AM 93 1955 74 2 79
MINIMUM 66 636 PM 40 1991 53 13 64
AVERAGE 71 63 8 72
PRECIPITATION (IN)
YESTERDAY 0.21 1.72 2001 0.11 0.10 0.07
MONTH TO DATE 3.25 2.07 1.18 0.32
SINCE SEP 1 3.25 2.07 1.18 0.32
SINCE JAN 1 37.48 27.20 10.28 32.06
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 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 1 40 -39 29
SINCE SEP 1 1 40 -39 29
SINCE JUL 1 1 53 -52 34
COOLING
YESTERDAY 6 2 4 7
MONTH TO DATE 153 76 77 64
SINCE SEP 1 153 76 77 64
SINCE JAN 1 1230 816 414 847
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 PM
LOWEST 60 1100 AM
AVERAGE 77
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 2017
MINIMUM TEMPERATURE (F) 52 36 1991
SUNRISE AND SUNSET
SEPTEMBER 20 2018.....SUNRISE 637 AM CDT SUNSET 652 PM CDT
SEPTEMBER 21 2018.....SUNRISE 638 AM CDT SUNSET 651 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 ...
