| 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. | |||||||||||||||||
| 20 | 23:51 | S 6 | 10.00 | Thunderstorm in Vicinity | FEW040 SCT090 BKN110 | 78 | 69 | 74% | NA | 80 | 30.04 | 1016.8 | |||||
| 20 | 22:51 | E 6 | 10.00 | Mostly Cloudy | FEW040 SCT090 BKN100 BKN150 | 77 | 69 | 77% | NA | 79 | 30.03 | 1016.3 | |||||
| 20 | 21:51 | Calm | 10.00 | Overcast | FEW090 BKN100 OVC120 | 80 | 70 | 71% | NA | 83 | 30.03 | 1016.3 | |||||
| 20 | 20:51 | S 10 | 10.00 | Overcast | FEW095 BKN110 OVC150 | 80 | 70 | 71% | NA | 83 | 30.03 | 1016.2 | |||||
| 20 | 19:51 | S 10 | 10.00 | Overcast | BKN120 OVC150 | 81 | 70 | 69% | NA | 84 | 30.02 | 1016.1 | |||||
| 20 | 18:51 | S 8 | 10.00 | Light Rain | FEW075 BKN110 OVC150 | 82 | 68 | 90 | 81 | 63% | NA | 85 | 30.01 | 1015.8 | |||
| 20 | 17:51 | S 6 | 10.00 | Overcast | FEW070 OVC150 | 83 | 68 | 61% | NA | 86 | 30.00 | 1015.3 | |||||
| 20 | 16:51 | SW 8 | 10.00 | Overcast | FEW045 BKN150 OVC200 | 84 | 67 | 57% | NA | 87 | 30.00 | 1015.4 | |||||
| 20 | 15:51 | SW 9 | 10.00 | Overcast | FEW050 SCT150 OVC200 | 86 | 66 | 51% | NA | 88 | 30.00 | 1015.4 | |||||
| 20 | 14:51 | W 8 | 10.00 | Mostly Cloudy | SCT050 BKN150 BKN250 | 88 | 62 | 42% | NA | 88 | 30.00 | 1015.5 | |||||
| 20 | 13:51 | W 9 | 10.00 | Mostly Cloudy | SCT048 SCT090 BKN250 | 87 | 65 | 48% | NA | 89 | 30.00 | 1015.5 | |||||
| 20 | 12:51 | SW 8 | 10.00 | Mostly Cloudy | FEW048 SCT110 BKN250 | 86 | 64 | 86 | 65 | 48% | NA | 87 | 30.02 | 1015.9 | |||
| 20 | 11:51 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW048 FEW080 BKN250 | 84 | 64 | 51% | NA | 85 | 30.03 | 1016.4 | |||||
| 20 | 10:51 | S 6 | 10.00 | Mostly Cloudy | FEW040 FEW080 BKN250 | 82 | 64 | 55% | NA | 84 | 30.05 | 1016.9 | |||||
| 20 | 09:51 | Vrbl 6 | 10.00 | Mostly Cloudy | FEW080 BKN250 | 78 | 63 | 60% | NA | 80 | 30.05 | 1017.2 | |||||
| 20 | 08:51 | S 6 | 10.00 | Mostly Cloudy | BKN250 | 74 | 61 | 64% | NA | NA | 30.04 | 1016.8 | |||||
| 20 | 07:51 | S 3 | 8.00 | Mostly Cloudy | FEW100 BKN250 | 71 | 61 | 71% | NA | NA | 30.03 | 1016.3 | |||||
| 20 | 06:51 | S 3 | 8.00 | Mostly Cloudy | BKN250 | 65 | 58 | 69 | 63 | 78% | NA | NA | 30.03 | 1016.5 | |||
| 20 | 05:51 | S 3 | 10.00 | A Few Clouds | FEW250 | 65 | 57 | 76% | NA | NA | 30.02 | 1016.2 | |||||
| 20 | 04:51 | S 3 | 10.00 | Fair | CLR | 64 | 57 | 78% | NA | NA | 30.01 | 1015.8 | |||||
| 20 | 03:51 | Calm | 9.00 | Fair | CLR | 64 | 57 | 78% | NA | NA | 30.00 | 1015.3 | |||||
| 20 | 02:51 | S 3 | 10.00 | Fair | CLR | 66 | 56 | 70% | NA | NA | 30.00 | 1015.5 | |||||
| 20 | 01:51 | Calm | 10.00 | Fair | CLR | 67 | 56 | 68% | NA | NA | 30.00 | 1015.6 | |||||
| 20 | 00:51 | Calm | 10.00 | Fair | CLR | 68 | 56 | 80 | 67 | 65% | NA | NA | 30.00 | 1015.4 |
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 storms will develop & track east-northeast in nrn IL & nw IN. A short break in storms after 1 am, w/ chances returning after dawn. pic.twitter.com/es6sAuCQ23— NWS Chicago (@NWSChicago) August 21, 2017
Clouds may spoil our view of Monday's solar eclipse. Hope for breaks in the clouds mid-day in nrn IL and nw IN! #ILWX #INWX #eclipse2017 pic.twitter.com/4uGb1HxEBI— NWS Chicago (@NWSChicago) August 20, 2017
Mostly cloudy with a few periods of showers and storms through Monday. Unfortunately, clouds likely for the solar eclipse. #ILWX #INWX pic.twitter.com/FjOxAJzhx4— NWS Chicago (@NWSChicago) August 20, 2017
Partly sunny with isolated showers today. Stronger storms, heavy rain, damaging winds psbl Monday night. pic.twitter.com/u74QKiuJ0r— NWS Chicago (@NWSChicago) August 20, 2017
Monday's cloud cover forecast with total eclipse path. Clouds are likely for nrn IL & nw IN, though may be breaks or thinning. #eclipse2017 pic.twitter.com/n1OjPpLvNM— NWS Chicago (@NWSChicago) August 20, 2017
Warmer & more humid Sun & Mon. Strong storms, heavy rain, damaging wind possible Monday night. #ILWX#INWX pic.twitter.com/WbDYabX666— NWS Chicago (@NWSChicago) August 20, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
752
CDUS43 KLOT 210635
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON AUG 21 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 20 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 90 145 PM 98 1947 82 8 80
MINIMUM 63 504 AM 47 1950 63 0 63
AVERAGE 77 72 5 72
PRECIPITATION (IN)
YESTERDAY 0.03 1.47 1951 0.16 -0.13 0.47
MONTH TO DATE 2.05 3.30 -1.25 2.34
SINCE JUN 1 13.17 10.45 2.72 11.42
SINCE JAN 1 31.28 23.53 7.75 25.06
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 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 12 7 5 7
MONTH TO DATE 158 166 -8 248
SINCE JUN 1 694 614 80 796
SINCE JAN 1 727 668 59 870
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 300 AM
LOWEST 43 200 PM
AVERAGE 61
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 99 1955
MINIMUM TEMPERATURE (F) 63 46 1950
SUNRISE AND SUNSET
AUGUST 21 2017........SUNRISE 606 AM CDT SUNSET 742 PM CDT
AUGUST 22 2017........SUNRISE 607 AM CDT SUNSET 741 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 ...
