| 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. | |||||||||||||||||
| 16 | 23:51 | S 13 | 7.00 | Partly Cloudy | FEW020 FEW025 SCT120 | 77 | 73 | 88% | NA | 78 | 29.81 | 1008.9 | |||||
| 16 | 22:51 | S 14 G 25 | 7.00 | Overcast | SCT027 BKN040 OVC110 | 78 | 73 | 85% | NA | 80 | 29.82 | 1009.4 | 0.01 | ||||
| 16 | 21:51 | S 12 | 7.00 | Overcast | SCT075 BKN090 OVC110 | 78 | 73 | 85% | NA | 80 | 29.85 | 1010.4 | 0.01 | ||||
| 16 | 20:51 | SE 9 | 8.00 | Light Rain | FEW040 BKN080 OVC100 | 78 | 73 | 85% | NA | 80 | 29.88 | 1011.2 | 0.01 | ||||
| 16 | 19:51 | SE 7 | 9.00 | Overcast | FEW075 OVC100 | 77 | 72 | 85% | NA | 78 | 29.87 | 1011.1 | |||||
| 16 | 18:51 | SE 8 | 10.00 | Overcast | FEW090 BKN110 BKN160 OVC250 | 77 | 71 | 88 | 74 | 82% | NA | 79 | 29.87 | 1011.1 | 0.11 | 0.15 | |
| 16 | 17:51 | S 12 | 4.00 | Heavy Rain Fog/Mist | FEW090 BKN110 OVC130 | 75 | 70 | 84% | NA | NA | 29.90 | 1012.2 | 0.04 | ||||
| 16 | 16:51 | S 18 G 26 | 6.00 | Light Rain | BKN048 BKN070 OVC110 | 83 | 69 | 63% | NA | 87 | 29.89 | 1011.6 | |||||
| 16 | 15:51 | E 16 | 10.00 | Mostly Cloudy | SCT046 BKN060 BKN070 BKN250 | 87 | 68 | 53% | NA | 90 | 29.88 | 1011.2 | |||||
| 16 | 14:51 | E 13 | 10.00 | Mostly Cloudy | SCT048 BKN060 BKN080 | 86 | 67 | 53% | NA | 89 | 29.91 | 1012.1 | |||||
| 16 | 13:51 | E 8 | 10.00 | Mostly Cloudy | BKN044 | 87 | 68 | 53% | NA | 90 | 29.94 | 1013.3 | |||||
| 16 | 12:51 | Vrbl 7 | 10.00 | Partly Cloudy | SCT047 | 86 | 66 | 87 | 69 | 51% | NA | 88 | 29.95 | 1013.8 | |||
| 16 | 11:51 | SE 6 | 10.00 | A Few Clouds | FEW040 | 84 | 67 | 57% | NA | 87 | 29.98 | 1014.7 | |||||
| 16 | 10:51 | SE 6 | 10.00 | A Few Clouds | FEW050 | 81 | 66 | 61% | NA | 83 | 29.99 | 1015.2 | |||||
| 16 | 09:51 | E 8 | 10.00 | Fair | CLR | 79 | 65 | 62% | NA | 81 | 29.99 | 1015.1 | |||||
| 16 | 08:51 | E 9 | 10.00 | Fair | CLR | 76 | 65 | 69% | NA | 78 | 30.00 | 1015.5 | |||||
| 16 | 07:51 | E 9 | 10.00 | A Few Clouds | FEW042 FEW250 | 73 | 66 | 79% | NA | NA | 30.01 | 1015.8 | |||||
| 16 | 06:51 | NE 6 | 10.00 | Partly Cloudy | FEW042 SCT250 | 69 | 64 | 69 | 67 | 84% | NA | NA | 30.01 | 1016.0 | |||
| 16 | 05:51 | N 5 | 10.00 | Partly Cloudy | SCT050 SCT070 | 67 | 62 | 84% | NA | NA | 30.01 | 1015.7 | |||||
| 16 | 04:51 | NE 5 | 10.00 | Mostly Cloudy | BKN048 | 68 | 62 | 81% | NA | NA | 29.99 | 1015.2 | |||||
| 16 | 03:51 | NE 6 | 10.00 | Partly Cloudy | FEW041 SCT250 | 68 | 62 | 81% | NA | NA | 29.99 | 1015.0 | |||||
| 16 | 02:51 | NE 5 | 10.00 | Partly Cloudy | FEW041 SCT250 | 68 | 62 | 81% | NA | NA | 29.98 | 1014.8 | |||||
| 16 | 01:51 | NE 6 | 10.00 | Mostly Cloudy | SCT041 BKN250 | 69 | 62 | 78% | NA | NA | 29.99 | 1015.1 | |||||
| 16 | 00:51 | NE 5 | 10.00 | Partly Cloudy | SCT250 | 69 | 62 | 73 | 69 | 78% | 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 & t-storms will affect western and northern burbs of Chicago late this evening, elsewhere mainly just isolated showers. pic.twitter.com/apRRvHsdwH— NWS Chicago (@NWSChicago) August 17, 2017
Other than a very small chance of rain Thursday, dry conditions are expected with fairly typical temperatures for August. pic.twitter.com/g0YbORHYu6— NWS Chicago (@NWSChicago) August 17, 2017
Scattered t-storms likely over north central Illinois through mid evening. Cloud to ground lighting & heavy downpours w/any t-storm pic.twitter.com/HTbH4hQfT5— NWS Chicago (@NWSChicago) August 17, 2017
Rain w/embedded t-storms should last an hour to hour & a half early this evening over far northern & NE IL & adjacent areas of NW IN. pic.twitter.com/vW1qwLJv7e— NWS Chicago (@NWSChicago) August 16, 2017
Scattered showers & t-storms will affect western and northern burbs of Chicago late this evening, elsewhere mainly just isolated showers. pic.twitter.com/apRRvHsdwH— NWS Chicago (@NWSChicago) August 17, 2017
Other than a very small chance of rain Thursday, dry conditions are expected with fairly typical temperatures for August. pic.twitter.com/g0YbORHYu6— NWS Chicago (@NWSChicago) August 17, 2017
Scattered t-storms likely over north central Illinois through mid evening. Cloud to ground lighting & heavy downpours w/any t-storm pic.twitter.com/HTbH4hQfT5— NWS Chicago (@NWSChicago) August 17, 2017
Rain w/embedded t-storms should last an hour to hour & a half early this evening over far northern & NE IL & adjacent areas of NW IN. pic.twitter.com/vW1qwLJv7e— NWS Chicago (@NWSChicago) August 16, 2017
Countdown to 8/21 #eclipse2017! Temps can drop 20° during a total eclipse. Local animals might think it's nighttime! https://t.co/qrnhP1UQhD pic.twitter.com/wiqHuZ8XFs— NWS Chicago (@NWSChicago) August 16, 2017
T-storm chances increase tonight, with heavy rain possible. Eclipse forecast is for partly cloudy skies and very warm temps. #ilwx #inwx pic.twitter.com/ZZN0yKYQpD— NWS Chicago (@NWSChicago) August 16, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
514
CDUS43 KLOT 170653
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
153 AM CDT THU AUG 17 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 16 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 88 MM 98 1988 82 6 88
1983
MINIMUM 67 MM 48 2004 63 4 71
AVERAGE 78 73 5 80
PRECIPITATION (IN)
YESTERDAY 0.17 3.79 1968 0.17 0.00 0.02
MONTH TO DATE 2.00 2.64 -0.64 1.00
SINCE JUN 1 13.12 9.79 3.33 10.08
SINCE JAN 1 31.23 22.87 8.36 23.72
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 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE JUN 1 6 52 -46 13
SINCE JUL 1 3 4 -1 0
COOLING
YESTERDAY 13 8 5 15
MONTH TO DATE 114 135 -21 204
SINCE JUN 1 650 583 67 752
SINCE JAN 1 683 637 46 826
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 1100 PM
LOWEST 51 1200 PM
AVERAGE 70
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 98 1988
1947
MINIMUM TEMPERATURE (F) 63 48 1976
SUNRISE AND SUNSET
AUGUST 17 2017........SUNRISE 602 AM CDT SUNSET 749 PM CDT
AUGUST 18 2017........SUNRISE 603 AM CDT SUNSET 747 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 ...
