| 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. | |||||||||||||||||
| 04 | 22:51 | SW 7 | 10.00 | A Few Clouds | FEW250 | 61 | 53 | 75% | NA | NA | 29.99 | 1015.4 | |||||
| 04 | 21:51 | SW 6 | 10.00 | A Few Clouds | FEW250 | 62 | 52 | 70% | NA | NA | 29.99 | 1015.4 | |||||
| 04 | 20:51 | SW 3 | 10.00 | A Few Clouds | FEW080 FEW250 | 63 | 51 | 65% | NA | NA | 29.98 | 1015.0 | |||||
| 04 | 19:51 | W 6 | 10.00 | A Few Clouds | FEW080 FEW250 | 65 | 50 | 59% | NA | NA | 29.97 | 1014.7 | |||||
| 04 | 18:51 | NW 18 | 10.00 | Partly Cloudy | FEW065 SCT080 | 67 | 50 | 68 | 61 | 55% | NA | NA | 29.96 | 1014.4 | |||
| 04 | 17:51 | NW 20 | 10.00 | Mostly Cloudy | FEW047 SCT065 BKN080 | 67 | 49 | 53% | NA | NA | 29.95 | 1014.0 | |||||
| 04 | 16:51 | NW 14 G 21 | 10.00 | Overcast | FEW040 SCT048 OVC075 | 66 | 52 | 61% | NA | NA | 29.94 | 1013.6 | |||||
| 04 | 15:51 | NW 15 | 10.00 | Overcast | SCT028 BKN033 OVC050 | 64 | 52 | 65% | NA | NA | 29.93 | 1013.3 | |||||
| 04 | 14:51 | W 18 G 28 | 10.00 | Overcast | SCT022 BKN028 OVC034 | 63 | 52 | 68% | NA | NA | 29.92 | 1013.0 | |||||
| 04 | 13:51 | NW 18 G 29 | 10.00 | Overcast | BKN020 BKN030 OVC044 | 63 | 54 | 73% | NA | NA | 29.90 | 1012.3 | |||||
| 04 | 12:51 | W 17 | 10.00 | Overcast | OVC023 | 62 | 53 | 62 | 57 | 73% | NA | NA | 29.89 | 1012.0 | |||
| 04 | 11:51 | W 18 G 29 | 10.00 | Overcast | OVC021 | 61 | 52 | 72% | NA | NA | 29.88 | 1011.6 | |||||
| 04 | 10:51 | W 20 G 28 | 10.00 | Overcast | OVC021 | 61 | 52 | 72% | NA | NA | 29.86 | 1010.9 | |||||
| 04 | 09:51 | W 15 | 10.00 | Overcast | OVC020 | 59 | 50 | 72% | NA | NA | 29.85 | 1010.7 | |||||
| 04 | 08:51 | W 16 G 26 | 10.00 | Overcast | BKN020 OVC026 | 58 | 50 | 75% | NA | NA | 29.85 | 1010.4 | |||||
| 04 | 07:51 | W 17 G 25 | 10.00 | Mostly Cloudy | SCT023 BKN028 | 57 | 49 | 74% | NA | NA | 29.84 | 1010.1 | |||||
| 04 | 06:51 | W 14 G 23 | 10.00 | Mostly Cloudy | FEW022 BKN032 | 57 | 49 | 61 | 56 | 74% | NA | NA | 29.83 | 1010.0 | |||
| 04 | 05:51 | W 16 | 10.00 | Overcast | BKN028 OVC034 | 56 | 49 | 77% | NA | NA | 29.83 | 1010.0 | |||||
| 04 | 04:51 | W 14 G 28 | 10.00 | Mostly Cloudy | BKN027 | 58 | 48 | 70% | NA | NA | 29.83 | 1009.8 | |||||
| 04 | 03:51 | W 17 G 24 | 10.00 | Mostly Cloudy | BKN028 | 59 | 48 | 67% | NA | NA | 29.84 | 1010.1 | |||||
| 04 | 02:51 | W 12 | 10.00 | Overcast | OVC026 | 60 | 50 | 70% | NA | NA | 29.84 | 1010.1 | |||||
| 04 | 01:51 | W 17 G 24 | 10.00 | Mostly Cloudy | BKN024 | 60 | 52 | 75% | NA | NA | 29.84 | 1010.2 | |||||
| 04 | 00:51 | W 17 G 23 | 10.00 | Mostly Cloudy | BKN020 | 61 | 53 | 73 | 61 | 75% | NA | NA | 29.84 | 1009.9 | 0.22 |
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. |
Quite a cool summer night ahead with 49°-55° outlying to 56°-62° in heart of metro. Less windy on Sat, rain returns on Sun. #ilwx #inwx pic.twitter.com/LhKv9yq7G1— NWS Chicago (@NWSChicago) August 5, 2017
#Waterspout sighted by @ICWR observer Lorraine Matti over srn #LakeMichigan off of St. Joseph MI at 9:58am EDT. https://t.co/1ERomENgO3 pic.twitter.com/OeQU56NVF6— NWS Chicago (@NWSChicago) August 4, 2017
24 Hour Precipitation totals for Aug. 3. https://t.co/qeWFemFI9o pic.twitter.com/H1CX5oyazI— NWS Chicago (@NWSChicago) August 4, 2017
DANGEROUS conditions at NW IN #LakeMichigan beaches today. Stay out of the water! https://t.co/JYcKwNg0x9 pic.twitter.com/oUh0wRKi7K— NWS Chicago (@NWSChicago) August 4, 2017
A taste of fall today - Cool, cloudy, and breezy. Warmer Saturday. #inwx #ilwx #notreadyforfall pic.twitter.com/h9IQpBKPm1— NWS Chicago (@NWSChicago) August 4, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
372
CDUS43 KLOT 050640
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT SAT AUG 5 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 4 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 68 558 PM 100 1947 83 -15 91
MINIMUM 56 544 AM 53 1992 64 -8 70
1894
1880
AVERAGE 62 74 -12 81
PRECIPITATION (IN)
YESTERDAY T 3.47 1989 0.16 -0.16 0.02
MONTH TO DATE 1.80 0.65 1.15 0.02
SINCE JUN 1 12.92 7.80 5.12 9.10
SINCE JAN 1 31.03 20.88 10.15 22.74
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 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 0 3 0
MONTH TO DATE 3 0 3 0
SINCE JUN 1 6 52 -46 13
SINCE JUL 1 3 4 -1 0
COOLING
YESTERDAY 0 9 -9 16
MONTH TO DATE 32 36 -4 53
SINCE JUN 1 568 484 84 601
SINCE JAN 1 601 538 63 675
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 13.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1200 AM
LOWEST 52 500 PM
AVERAGE 65
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 102 1918
MINIMUM TEMPERATURE (F) 64 51 1994
SUNRISE AND SUNSET
AUGUST 5 2017........SUNRISE 550 AM CDT SUNSET 805 PM CDT
AUGUST 6 2017........SUNRISE 551 AM CDT SUNSET 804 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 ...
