| 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. | |||||||||||||||||
| 18 | 23:51 | S 9 | 10.00 | Partly Cloudy | FEW220 SCT250 | 35 | 27 | 37 | 35 | 72% | 28 | NA | 29.97 | 1015.5 | |||
| 18 | 22:51 | S 7 | 10.00 | A Few Clouds | FEW250 | 36 | 28 | 73% | 30 | NA | 29.99 | 1016.2 | |||||
| 18 | 21:51 | S 7 | 10.00 | A Few Clouds | FEW250 | 35 | 28 | 76% | 29 | NA | 30.01 | 1017.0 | |||||
| 18 | 20:51 | S 7 | 10.00 | A Few Clouds | FEW250 | 36 | 29 | 76% | 30 | NA | 30.02 | 1017.2 | |||||
| 18 | 19:51 | S 10 | 10.00 | Fair | CLR | 36 | 29 | 76% | 29 | NA | 30.03 | 1017.5 | |||||
| 18 | 18:51 | S 12 | 10.00 | A Few Clouds | FEW250 | 37 | 30 | 76% | 29 | NA | 30.05 | 1018.3 | |||||
| 18 | 17:51 | S 10 | 10.00 | Partly Cloudy | SCT250 | 37 | 30 | 42 | 37 | 76% | 30 | NA | 30.07 | 1019.0 | |||
| 18 | 16:51 | S 8 | 10.00 | A Few Clouds | FEW250 | 38 | 28 | 68% | 32 | NA | 30.09 | 1019.5 | |||||
| 18 | 15:51 | S 9 | 10.00 | A Few Clouds | FEW250 | 41 | 27 | 57% | 35 | NA | 30.09 | 1019.5 | |||||
| 18 | 14:51 | S 10 | 10.00 | A Few Clouds | FEW250 | 42 | 28 | 58% | 36 | NA | 30.10 | 1019.9 | |||||
| 18 | 13:51 | S 12 | 10.00 | A Few Clouds | FEW250 | 42 | 27 | 55% | 35 | NA | 30.09 | 1019.7 | |||||
| 18 | 12:51 | S 10 | 10.00 | A Few Clouds | FEW250 | 42 | 27 | 55% | 36 | NA | 30.13 | 1021.0 | |||||
| 18 | 11:51 | S 10 | 10.00 | Partly Cloudy | SCT250 | 40 | 26 | 40 | 25 | 58% | 34 | NA | 30.16 | 1021.8 | |||
| 18 | 10:51 | S 12 | 10.00 | Mostly Cloudy | BKN250 | 37 | 27 | 67% | 29 | NA | 30.20 | 1023.4 | |||||
| 18 | 09:51 | S 10 | 10.00 | Mostly Cloudy | BKN250 | 35 | 28 | 76% | 27 | NA | 30.24 | 1024.6 | |||||
| 18 | 08:51 | S 9 | 10.00 | Mostly Cloudy | BKN250 | 31 | 26 | 82% | 23 | NA | 30.23 | 1024.4 | |||||
| 18 | 07:51 | S 5 | 10.00 | Mostly Cloudy | FEW150 BKN250 | 27 | 22 | 81% | 21 | NA | 30.22 | 1024.1 | |||||
| 18 | 06:51 | S 3 | 10.00 | A Few Clouds | FEW150 FEW250 | 27 | 21 | 78% | NA | NA | 30.22 | 1024.2 | |||||
| 18 | 05:51 | Calm | 10.00 | A Few Clouds | FEW250 | 25 | 21 | 31 | 25 | 85% | NA | NA | 30.22 | 1024.0 | |||
| 18 | 04:51 | Calm | 10.00 | Fair | CLR | 25 | 21 | 85% | NA | NA | 30.22 | 1024.1 | |||||
| 18 | 03:51 | Calm | 10.00 | Fair | CLR | 27 | 21 | 78% | NA | NA | 30.21 | 1023.8 | |||||
| 18 | 02:51 | Calm | 10.00 | Fair | CLR | 28 | 21 | 75% | NA | NA | 30.22 | 1024.2 | |||||
| 18 | 01:51 | Calm | 10.00 | Fair | CLR | 28 | 21 | 75% | NA | NA | 30.23 | 1024.2 | |||||
| 18 | 00:51 | Calm | 10.00 | Fair | CLR | 28 | 20 | 72% | NA | NA | 30.21 | 1023.5 |
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. |
Quiet weather will continue across the area through Wed before precip begins to move into the region Wed night. Only pockets of light rain or drizzle are expected overnight Wed night. There is some chance for precip continuing on Thu, pic.twitter.com/5vHoSuyrDV
— NWS Chicago (@NWSChicago) December 18, 2018
Mild temps & fair weather continue today & Wed, though cloud cover increases Wed. Precip chances return Wed night & continue thru Fri. pic.twitter.com/7efgBMuX4E
— NWS Chicago (@NWSChicago) December 18, 2018
2018 'Virtually Certain' to Be Earth's Fourth-Warmest Year, NOAA says: https://t.co/L1jTIscTrL pic.twitter.com/qmz5EwXaJN
— The Weather Channel (@weatherchannel) December 18, 2018
Despite a cold November, U.S. warm records are outpacing cold records by more than 27,000 in 2018: https://t.co/HMtvtUs88h pic.twitter.com/mEsVx608yD
— The Weather Channel (@weatherchannel) December 18, 2018
The #PolarVortex might weaken soon, and that could unleash a much colder January: https://t.co/23Uy8OIghk pic.twitter.com/jKMYCh3rhO
— The Weather Channel (@weatherchannel) December 18, 2018
Winter begins Friday, but December is expected to end relatively mild in parts of the central, eastern U.S.: https://t.co/ExJlf0bbaq pic.twitter.com/h49gWKF0N3
— The Weather Channel (@weatherchannel) December 18, 2018
Our #Christmas travel forecast now has a first look at Christmas Eve, which looks interesting if you're headed West. https://t.co/c6ycRByAqD pic.twitter.com/TLBc7K0Mn7
— The Weather Channel (@weatherchannel) December 18, 2018
Leaving early for the #Christmas holiday Thursday or Friday? A storm system may trigger flight delays in the East. https://t.co/c6ycRBQbib pic.twitter.com/ujn94jN1io
— The Weather Channel (@weatherchannel) December 18, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST WED DEC 19 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 18 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 42 331 PM 62 1877 34 8 46
MINIMUM 25 552 AM -11 1983 20 5 39
AVERAGE 34 27 7 43
PRECIPITATION (IN)
YESTERDAY 0.00 1.41 2002 0.06 -0.06 0.01
MONTH TO DATE 1.52 1.45 0.07 0.29
SINCE DEC 1 1.52 1.45 0.07 0.29
SINCE JAN 1 47.43 36.09 11.34 42.80
SNOWFALL (IN)
YESTERDAY 0.0 6.7 1929 0.2 -0.2 0.0
MONTH TO DATE 0.3 4.3 -4.0 2.0
SINCE DEC 1 0.3 4.3 -4.0 2.0
SINCE JUL 1 13.0 5.7 7.3 2.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 31 38 -7 22
MONTH TO DATE 596 640 -44 561
SINCE DEC 1 596 640 -44 561
SINCE JUL 1 1959 1896 63 1604
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1290 843 447 991
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 500 AM
LOWEST 53 100 PM
AVERAGE 71
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 64 1877
MINIMUM TEMPERATURE (F) 20 -14 1983
SUNRISE AND SUNSET
DECEMBER 19 2018......SUNRISE 715 AM CST SUNSET 422 PM CST
DECEMBER 20 2018......SUNRISE 716 AM CST SUNSET 423 PM CST
- 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 ...
