| 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. | |||||||||||||||||
| 12 | 23:51 | N 7 | 10.00 | Overcast | OVC250 | 13 | 3 | 21 | 4 | 64% | 3 | NA | 30.73 | 1041.7 | |||
| 12 | 22:51 | Calm | 10.00 | Mostly Cloudy | BKN250 | 13 | 3 | 64% | NA | NA | 30.75 | 1042.4 | |||||
| 12 | 21:51 | N 7 | 10.00 | Overcast | OVC250 | 15 | 5 | 64% | 5 | NA | 30.74 | 1042.5 | |||||
| 12 | 20:51 | Calm | 10.00 | Overcast | OVC250 | 13 | 5 | 70% | NA | NA | 30.75 | 1042.6 | |||||
| 12 | 19:51 | N 3 | 10.00 | Overcast | OVC250 | 14 | 4 | 64% | NA | NA | 30.76 | 1043.0 | |||||
| 12 | 18:51 | N 6 | 10.00 | Overcast | OVC250 | 20 | 6 | 55% | 12 | NA | 30.75 | 1042.5 | |||||
| 12 | 17:51 | NE 7 | 10.00 | Overcast | OVC250 | 21 | 4 | 27 | 20 | 47% | 12 | NA | 30.74 | 1042.4 | |||
| 12 | 16:51 | E 8 | 10.00 | Overcast | OVC250 | 22 | 5 | 48% | 13 | NA | 30.73 | 1041.9 | |||||
| 12 | 15:51 | NE 7 | 10.00 | Overcast | BKN230 OVC250 | 24 | 5 | 44% | 16 | NA | 30.71 | 1041.4 | |||||
| 12 | 14:51 | N 6 | 10.00 | Mostly Cloudy | BKN250 | 27 | 2 | 34% | 20 | NA | 30.71 | 1041.1 | |||||
| 12 | 13:51 | N 7 | 10.00 | Partly Cloudy | SCT250 | 25 | 1 | 35% | 17 | NA | 30.70 | 1041.0 | |||||
| 12 | 12:51 | N 8 | 10.00 | A Few Clouds | FEW250 | 24 | 2 | 38% | 15 | NA | 30.70 | 1040.9 | |||||
| 12 | 11:51 | N 7 | 10.00 | A Few Clouds | FEW250 | 22 | 3 | 24 | 6 | 44% | 13 | NA | 30.70 | 1040.9 | |||
| 12 | 10:51 | N 6 | 10.00 | A Few Clouds | FEW250 | 22 | 3 | 44% | 14 | NA | 30.70 | 1041.0 | |||||
| 12 | 09:51 | N 8 | 10.00 | A Few Clouds | FEW250 | 17 | 3 | 54% | 7 | NA | 30.69 | 1040.5 | |||||
| 12 | 08:51 | N 7 | 10.00 | A Few Clouds | FEW250 | 14 | 2 | 58% | 4 | NA | 30.66 | 1039.6 | |||||
| 12 | 07:51 | N 9 | 10.00 | A Few Clouds | FEW250 | 12 | 1 | 61% | -0 | NA | 30.63 | 1038.6 | |||||
| 12 | 06:51 | N 10 | 10.00 | Fair | CLR | 10 | 1 | 67% | -4 | NA | 30.59 | 1037.4 | |||||
| 12 | 05:51 | NW 9 | 10.00 | Fair | CLR | 5 | -1 | 12 | 4 | 76% | -9 | NA | 30.57 | 1036.5 | |||
| 12 | 04:51 | NW 6 | 10.00 | Fair | CLR | 7 | -1 | 70% | -4 | NA | 30.53 | 1035.2 | |||||
| 12 | 03:51 | NW 5 | 10.00 | Fair | CLR | 6 | -1 | 73% | -3 | NA | 30.49 | 1033.8 | |||||
| 12 | 02:51 | NW 3 | 10.00 | Fair | CLR | 8 | -0 | 69% | NA | NA | 30.46 | 1032.7 | |||||
| 12 | 01:51 | NW 8 | 10.00 | Fair | CLR | 9 | 1 | 70% | -3 | NA | 30.44 | 1032.0 | |||||
| 12 | 00:51 | NW 7 | 10.00 | Fair | CLR | 11 | 2 | 67% | 0 | NA | 30.40 | 1030.6 |
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. |
A warming trend is expected through mid-week as temps reach the 40s across much of NE Illinois and NW Indiana for Wed. and Thu. Increasing moisture over a melting snow pack will also lead to foggy conditions across the area Wed. night into Thu. pic.twitter.com/4nLMvOBvDd— NWS Chicago (@NWSChicago) February 12, 2018
Here is a look at snowfall totals over the 9-day period from 2/3-2/11. Totals from select volunteer observers are listed for each county across the NWS Chicago forecast area. pic.twitter.com/uFdYVV9q0p— NWS Chicago (@NWSChicago) February 12, 2018
Snowfall reports for Feb 10 and Feb 11 final totals. https://t.co/qeWFemFI9o pic.twitter.com/zrZy8vY7Ov— NWS Chicago (@NWSChicago) February 12, 2018
One final look back on the frequent snowfall period of February 3-11. This is a radar loop of those nine days, all of them with accumulating snow in Chicago. For a full recap including maps, numbers, photos, and more see: https://t.co/G44GkMoRCN #ilwx #inwx pic.twitter.com/vpM3CnYn3c— NWS Chicago (@NWSChicago) February 12, 2018
After 9 days in a row, we can finally say there will be no snowfall today! Chilly start though with temps at or below 0°, so bundle accordingly. Quiet til later Wed when fog potential arrives into Thu a.m. Chance of rain Wed & Wed Night then chance of snow Thu night. #ilwx #inwx pic.twitter.com/HcM73cl4CZ— NWS Chicago (@NWSChicago) February 12, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST TUE FEB 13 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 12 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 27 258 PM 62 1984 34 -7 47
1882
MINIMUM 4 913 PM -17 1899 19 -15 31
AVERAGE 16 27 -11 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.13 1884 0.06 -0.06 T
MONTH TO DATE 1.62 0.65 0.97 0.47
SINCE DEC 1 3.75 4.63 -0.88 5.11
SINCE JAN 1 3.16 2.38 0.78 3.34
SNOWFALL (IN)
YESTERDAY 0.0 7.9 1894 0.3 -0.3 0.0
MONTH TO DATE 18.3 4.2 14.1 T
SINCE DEC 1 28.2 23.2 5.0 18.3
SINCE JUL 1 28.3 24.6 3.7 18.3
SNOW DEPTH 12
DEGREE DAYS
HEATING
YESTERDAY 49 38 11 26
MONTH TO DATE 573 475 98 422
SINCE DEC 1 2983 2909 74 2770
SINCE JUL 1 4026 4165 -139 3599
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 600 AM
LOWEST 33 300 PM
AVERAGE 58
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 35 63 1938
MINIMUM TEMPERATURE (F) 19 -18 1905
SUNRISE AND SUNSET
FEBRUARY 13 2018......SUNRISE 650 AM CST SUNSET 522 PM CST
FEBRUARY 14 2018......SUNRISE 649 AM CST SUNSET 523 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 ...
