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 16 | 10.00 | Overcast | OVC250 | 67 | 48 | 51% | NA | NA | 30.05 | 1017.2 | |||||
20 | 22:51 | S 13 | 10.00 | Overcast | OVC250 | 66 | 48 | 52% | NA | NA | 30.05 | 1017.4 | |||||
20 | 21:51 | S 12 | 10.00 | Overcast | OVC250 | 65 | 48 | 54% | NA | NA | 30.05 | 1017.3 | |||||
20 | 20:51 | S 12 | 10.00 | Overcast | OVC250 | 66 | 49 | 54% | NA | NA | 30.04 | 1017.1 | |||||
20 | 19:51 | S 12 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 67 | 49 | 53% | NA | NA | 30.04 | 1017.2 | |||||
20 | 18:51 | S 9 | 10.00 | Mostly Cloudy | FEW200 BKN250 | 70 | 50 | 78 | 70 | 49% | NA | NA | 30.04 | 1017.2 | |||
20 | 17:51 | S 12 | 10.00 | Overcast | OVC250 | 72 | 50 | 46% | NA | NA | 30.04 | 1017.2 | |||||
20 | 16:51 | S 9 | 10.00 | Overcast | OVC250 | 75 | 51 | 43% | NA | NA | 30.04 | 1017.2 | |||||
20 | 15:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 78 | 50 | 37% | NA | 79 | 30.06 | 1017.5 | |||||
20 | 14:51 | SW 16 G 22 | 10.00 | Mostly Cloudy | BKN250 | 78 | 49 | 36% | NA | 78 | 30.07 | 1018.0 | |||||
20 | 13:51 | S 14 | 10.00 | Mostly Cloudy | BKN250 | 77 | 51 | 40% | NA | 78 | 30.09 | 1018.7 | |||||
20 | 12:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 74 | 52 | 74 | 51 | 46% | NA | NA | 30.12 | 1019.7 | |||
20 | 11:51 | SW 10 | 10.00 | Partly Cloudy | SCT250 | 72 | 52 | 50% | NA | NA | 30.14 | 1020.6 | |||||
20 | 10:51 | SW 8 | 10.00 | A Few Clouds | FEW250 | 69 | 51 | 53% | NA | NA | 30.16 | 1021.1 | |||||
20 | 09:51 | SW 9 | 10.00 | Partly Cloudy | SCT250 | 65 | 50 | 59% | NA | NA | 30.17 | 1021.5 | |||||
20 | 08:51 | S 6 | 10.00 | A Few Clouds | FEW250 | 62 | 50 | 65% | NA | NA | 30.17 | 1021.6 | |||||
20 | 07:51 | S 3 | 10.00 | A Few Clouds | FEW250 | 54 | 48 | 80% | NA | NA | 30.16 | 1021.5 | |||||
20 | 06:51 | S 3 | 10.00 | A Few Clouds | FEW250 | 53 | 47 | 55 | 51 | 80% | NA | NA | 30.16 | 1021.2 | |||
20 | 05:51 | Calm | 10.00 | Fair | CLR | 51 | 46 | 83% | NA | NA | 30.16 | 1021.2 | |||||
20 | 04:51 | S 3 | 10.00 | A Few Clouds | FEW250 | 51 | 44 | 77% | NA | NA | 30.15 | 1021.0 | |||||
20 | 03:51 | Calm | 10.00 | A Few Clouds | FEW250 | 53 | 43 | 69% | NA | NA | 30.14 | 1020.6 | |||||
20 | 02:51 | S 5 | 10.00 | A Few Clouds | FEW250 | 52 | 40 | 64% | NA | NA | 30.14 | 1020.6 | |||||
20 | 01:51 | S 6 | 10.00 | A Few Clouds | FEW250 | 52 | 39 | 61% | NA | NA | 30.14 | 1020.6 | |||||
20 | 00:51 | S 5 | 10.00 | A Few Clouds | FEW250 | 53 | 39 | 58 | 53 | 59% | NA | NA | 30.14 | 1020.7 |
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. |
Just prior to 3pm, #Chicago Midway hit 80°. Based on upcoming forecast, this is likely the last 80° reading of 2017 for Chicago area. #ilwx pic.twitter.com/1R9gn9lWVF— NWS Chicago (@NWSChicago) October 20, 2017
Warm weather for late October will continue through Sat. Then two cold fronts will bring in showers and a cold air burst behind each front. pic.twitter.com/Lw7YJ7EIQY— NWS Chicago (@NWSChicago) October 20, 2017
Attached video contains a more detailed explanation of the #winter 2017-18 outlook released by @NWSCPC. https://t.co/1PXkYW8Aov #ilwx #inwx pic.twitter.com/BGWyQXEB6M— NWS Chicago (@NWSChicago) October 20, 2017
Unseasonably warm Fri & Sat. Breezy Sat. Cold front Sunday with periods of rain. Much cooler by middle of next week. #ILWX #INWX pic.twitter.com/6sslSh1fDm— NWS Chicago (@NWSChicago) October 20, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
000
CDUS43 KLOT 210633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT OCT 21 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 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 78 305 PM 86 1953 61 17 56
MINIMUM 51 627 AM 24 1930 42 9 45
1895
AVERAGE 65 51 14 51
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1916 0.10 -0.10 0.00
MONTH TO DATE 6.73 2.00 4.73 1.67
SINCE SEP 1 7.05 5.21 1.84 3.43
SINCE JAN 1 38.79 30.34 8.45 30.41
SNOWFALL (IN)
YESTERDAY 0.0 3.0 1952 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 T 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 14 -14 14
MONTH TO DATE 58 221 -163 107
SINCE SEP 1 95 326 -231 130
SINCE JUL 1 100 339 -239 130
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 25 10 15 24
SINCE SEP 1 204 102 102 189
SINCE JAN 1 987 842 145 1154
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 500 AM
LOWEST 35 200 PM
AVERAGE 59
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 87 1953
MINIMUM TEMPERATURE (F) 41 26 1952
SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE 711 AM CDT SUNSET 600 PM CDT
OCTOBER 22 2017.......SUNRISE 713 AM CDT SUNSET 559 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 ...