| 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. | |||||||||||||||||
| 02 | 23:51 | S 5 | 10.00 | Mostly Cloudy | BKN038 BKN045 | 61 | 57 | 87% | NA | NA | 29.94 | 1013.8 | |||||
| 02 | 22:51 | S 8 | 10.00 | Mostly Cloudy | BKN045 | 62 | 58 | 86% | NA | NA | 29.95 | 1013.8 | |||||
| 02 | 21:51 | S 7 | 10.00 | Overcast | OVC040 | 62 | 58 | 86% | NA | NA | 29.97 | 1014.7 | 0.25 | ||||
| 02 | 20:51 | E 5 | 10.00 | Light Rain | OVC039 | 62 | 57 | 84% | NA | NA | 29.99 | 1015.2 | 0.03 | ||||
| 02 | 19:51 | W 6 | 6.00 | Rain | OVC043 | 62 | 57 | 84% | NA | NA | 30.00 | 1015.8 | 0.22 | ||||
| 02 | 18:51 | W 8 | 10.00 | Overcast | BKN047 BKN090 OVC150 | 71 | 46 | 75 | 70 | 41% | NA | NA | 29.93 | 1013.5 | |||
| 02 | 17:51 | W 9 | 10.00 | Mostly Cloudy | SCT110 BKN150 | 72 | 45 | 38% | NA | NA | 29.93 | 1013.5 | |||||
| 02 | 16:51 | W 9 | 10.00 | Mostly Cloudy | SCT100 BKN150 | 74 | 44 | 34% | NA | NA | 29.95 | 1014.0 | |||||
| 02 | 15:51 | SW 8 | 10.00 | Mostly Cloudy | BKN120 BKN150 | 73 | 45 | 37% | NA | NA | 29.96 | 1014.5 | |||||
| 02 | 14:51 | W 6 | 10.00 | Mostly Cloudy | FEW100 BKN120 BKN150 | 72 | 45 | 38% | NA | NA | 29.97 | 1014.8 | |||||
| 02 | 13:51 | SW 7 | 10.00 | Mostly Cloudy | BKN150 BKN250 | 70 | 44 | 39% | NA | NA | 30.00 | 1015.7 | |||||
| 02 | 12:51 | S 5 | 10.00 | Partly Cloudy | FEW130 FEW180 SCT250 | 71 | 46 | 71 | 51 | 41% | NA | NA | 30.02 | 1016.4 | |||
| 02 | 11:51 | W 6 | 10.00 | Partly Cloudy | FEW180 SCT250 | 68 | 45 | 44% | NA | NA | 30.05 | 1017.5 | |||||
| 02 | 10:51 | N 5 | 10.00 | Partly Cloudy | FEW055 FEW170 SCT250 | 68 | 44 | 42% | NA | NA | 30.07 | 1017.9 | |||||
| 02 | 09:51 | NE 3 | 10.00 | Partly Cloudy | FEW050 FEW180 SCT250 | 65 | 44 | 47% | NA | NA | 30.08 | 1018.4 | |||||
| 02 | 08:51 | NW 7 | 10.00 | Partly Cloudy | FEW050 FEW180 SCT250 | 61 | 46 | 58% | NA | NA | 30.09 | 1018.7 | |||||
| 02 | 07:51 | Calm | 10.00 | Partly Cloudy | FEW050 FEW180 SCT250 | 57 | 49 | 74% | NA | NA | 30.07 | 1018.2 | |||||
| 02 | 06:51 | Calm | 10.00 | Partly Cloudy | FEW180 SCT250 | 51 | 48 | 57 | 50 | 89% | NA | NA | 30.07 | 1018.4 | |||
| 02 | 05:51 | W 3 | 10.00 | A Few Clouds | FEW250 | 50 | 46 | 86% | NA | NA | 30.07 | 1018.4 | |||||
| 02 | 04:51 | Calm | 10.00 | Fair | CLR | 52 | 45 | 77% | NA | NA | 30.07 | 1018.1 | |||||
| 02 | 03:51 | Calm | 10.00 | Fair | CLR | 53 | 46 | 77% | NA | NA | 30.07 | 1018.3 | |||||
| 02 | 02:51 | Calm | 10.00 | Fair | CLR | 53 | 46 | 77% | NA | NA | 30.07 | 1018.3 | |||||
| 02 | 01:51 | NW 3 | 10.00 | Fair | CLR | 56 | 47 | 72% | NA | NA | 30.09 | 1018.9 | |||||
| 02 | 00:51 | N 3 | 10.00 | Fair | CLR | 53 | 46 | 66 | 50 | 77% | NA | NA | 30.10 | 1019.2 |
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 over NE IL this evening. Milder tonight than last night. Warming trend thru Labor Day then much cooler Tues. pic.twitter.com/wocqZroW74— NWS Chicago (@NWSChicago) September 2, 2017
Grab a jacket (or coat) if you're heading out early this morning! Coldest morning since mid May, mainly in 40s w/Rochelle now 39F! #5AMTemps pic.twitter.com/VOrPsjiqOn— NWS Chicago (@NWSChicago) September 2, 2017
Chance of showers this afternoon. Very warm Labor Day with a chance of strong late PM storms. Much cooler by Tues. #ilwx #inwx pic.twitter.com/14lA94qsDq— NWS Chicago (@NWSChicago) September 2, 2017
Willis (Sears) Tower visible on #Chicago's radar tonight. Probably enhanced by some beam super-refraction #ILwx #CHIwx #AMS2017 @NWSChicago pic.twitter.com/KTpF8E4q2n— PSURadarMeteorology (@PSU_RadarMeteo) September 2, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
374
CDUS43 KLOT 030631
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN SEP 3 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 2 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 75 400 PM 101 1953 80 -5 74
MINIMUM 50 546 AM 44 1946 60 -10 62
AVERAGE 63 70 -7 68
PRECIPITATION (IN)
YESTERDAY 0.25 1.55 2010 0.12 0.13 0.00
MONTH TO DATE 0.25 0.24 0.01 T
SINCE SEP 1 0.25 0.24 0.01 T
SINCE JAN 1 31.99 25.37 6.62 26.98
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 2 1 1 0
MONTH TO DATE 7 2 5 0
SINCE SEP 1 7 2 5 0
SINCE JUL 1 12 15 -3 0
COOLING
YESTERDAY 0 6 -6 3
MONTH TO DATE 0 12 -12 6
SINCE SEP 1 0 12 -12 6
SINCE JAN 1 783 752 31 971
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1100 PM
LOWEST 35 300 PM
AVERAGE 63
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 1953
MINIMUM TEMPERATURE (F) 60 47 1974
SUNRISE AND SUNSET
SEPTEMBER 3 2017.....SUNRISE 620 AM CDT SUNSET 721 PM CDT
SEPTEMBER 4 2017.....SUNRISE 621 AM CDT SUNSET 720 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 ...
