| 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. | |||||||||||||||||
| 17 | 23:51 | W 12 | 10.00 | A Few Clouds | FEW015 | 27 | 22 | 33 | 27 | 81% | 16 | NA | 30.13 | 1020.9 | |||
| 17 | 22:51 | W 7 | 10.00 | A Few Clouds | FEW016 | 27 | 22 | 81% | 19 | NA | 30.11 | 1020.4 | |||||
| 17 | 21:51 | W 10 | 10.00 | Mostly Cloudy | BKN016 | 29 | 23 | 78% | 20 | NA | 30.10 | 1020.1 | |||||
| 17 | 20:51 | NW 15 G 20 | 9.00 | Overcast | OVC014 | 30 | 25 | 82% | 19 | NA | 30.08 | 1019.3 | |||||
| 17 | 19:51 | W 17 G 23 | 8.00 | Overcast | OVC015 | 31 | 26 | 82% | 20 | NA | 30.04 | 1018.2 | |||||
| 17 | 18:51 | W 13 | 7.00 | Overcast | FEW008 BKN012 OVC030 | 33 | 29 | 85% | 24 | NA | 30.00 | 1016.9 | |||||
| 17 | 17:51 | SW 6 | 3.00 | Light Snow Fog/Mist | SCT007 BKN014 OVC035 | 32 | 30 | 35 | 32 | 92% | 26 | NA | 29.96 | 1015.3 | 0.01 | 0.11 | |
| 17 | 15:51 | S 3 | 0.25 | Snow Fog | VV007 | 32 | 31 | 96% | NA | NA | 29.92 | 1014.2 | 0.03 | ||||
| 17 | 14:51 | SW 8 | 8.00 | Light Snow | BKN022 OVC060 | 35 | 26 | 70% | 28 | NA | 29.91 | 1013.9 | |||||
| 17 | 13:51 | S 9 | 10.00 | Overcast | BKN070 BKN090 OVC190 | 35 | 26 | 70% | 28 | NA | 29.92 | 1013.9 | |||||
| 17 | 12:51 | SW 13 | 10.00 | Overcast | SCT090 OVC190 | 34 | 24 | 67% | 25 | NA | 29.96 | 1015.3 | |||||
| 17 | 11:51 | SW 13 | 10.00 | Overcast | BKN085 OVC190 | 32 | 23 | 32 | 18 | 69% | 22 | NA | 29.99 | 1016.6 | |||
| 17 | 10:51 | SW 15 | 10.00 | Overcast | FEW100 OVC190 | 31 | 22 | 69% | 20 | NA | 30.04 | 1018.0 | |||||
| 17 | 09:51 | S 7 | 10.00 | Overcast | BKN130 OVC190 | 26 | 17 | 69% | 18 | NA | 30.05 | 1018.6 | |||||
| 17 | 08:51 | S 7 | 10.00 | Overcast | SCT130 OVC190 | 23 | 12 | 63% | 15 | NA | 30.08 | 1019.5 | |||||
| 17 | 07:51 | S 9 | 10.00 | Overcast | OVC190 | 21 | 9 | 59% | 11 | NA | 30.09 | 1019.9 | |||||
| 17 | 06:51 | S 3 | 10.00 | Overcast | BKN160 OVC190 | 19 | 9 | 65% | NA | NA | 30.11 | 1020.7 | |||||
| 17 | 05:51 | S 8 | 10.00 | Overcast | BKN220 OVC300 | 18 | 10 | 20 | 17 | 71% | 8 | NA | 30.13 | 1021.2 | |||
| 17 | 04:51 | S 6 | 10.00 | Mostly Cloudy | BKN220 | 18 | 9 | 68% | 10 | NA | 30.15 | 1021.9 | |||||
| 17 | 03:51 | S 6 | 10.00 | Partly Cloudy | SCT250 | 17 | 9 | 70% | 8 | NA | 30.15 | 1021.9 | |||||
| 17 | 02:51 | SW 6 | 10.00 | Partly Cloudy | SCT250 | 17 | 9 | 70% | 8 | NA | 30.18 | 1023.0 | |||||
| 17 | 01:51 | SW 5 | 10.00 | A Few Clouds | FEW250 | 18 | 9 | 68% | 11 | NA | 30.22 | 1024.4 |
Complete data after midnight (may be delayed 24-48 hours).
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. |
Heavy rainfall possible early next week, with localized flooding a risk. Widespread rainfall 1"+ with localized totals 2-4" possible. pic.twitter.com/p2bL6Jp2NV— NWS Chicago (@NWSChicago) February 18, 2018
Warm up coming this weekend, followed by rain (and possibly a lot of it) early next week! #ILWX #INWX pic.twitter.com/Tu6mGniutD— NWS Chicago (@NWSChicago) February 18, 2018
Impressive burst of #snow making it impossible for the St. Stanislaus Kostka School @WeatherBug camera to see the #Chicago skyline from its perch along the Kennedy Exp at Division. @NWSChicago #ilwx pic.twitter.com/O6UzotaCAT— Mike Janssen (@MikeJanssenWX) February 17, 2018
Moderate to heavy snow likely late this afternoon. Snowfall rates >1"/hour at times & visibilities down to just 1000 ft in heaviest snow. pic.twitter.com/CgOQ8Hz0lY— NWS Chicago (@NWSChicago) February 17, 2018
Snow overspreading the area will pack quite a punch over a ~2-3 hour period, with moderate to heavy rates for ~1-2 hrs dropping visibility as low as 1/2-1/4 mi at times. Snow should be intense enough to stick on roads, especially those less traveled & untreated. #ilwx #inwx pic.twitter.com/vnrldtX3UD— NWS Chicago (@NWSChicago) February 17, 2018
~2-3 hr period of snow will affect area this aftn. Brief burst of higher rates lasting up to ~1 hr psbl, dropping visibility < 1 mi. at times. Generally a coating to < 1" on colder/grassy surfaces. Slick spots psbl on some roads. Rain may mix in along/S of Kankakee R. #ilwx #inwx pic.twitter.com/XBOYI0HJaH— NWS Chicago (@NWSChicago) February 17, 2018
Showers & t-storms will bring heavy rain Mon-Tue night. Expect area-wide precipitation of an inch with localized 2 to 4 inches psbl. Heaviest rainfall favored over far nrn IL Mon & over east-central IL and NW IN Tue. Rises on streams & rivers may result in flooding. pic.twitter.com/8MTdelMVXQ— NWS Chicago (@NWSChicago) February 17, 2018
Light snow accums under an inch across nrn IL/IN & wintry mix for areas near/south of the Illinois & Kankakee River Valleys. Spring-like pattern develops Sun into Mon as region undergoes warming trend. Showers & T-Storms Mon & Tue. pic.twitter.com/jQSIWfubzk— NWS Chicago (@NWSChicago) February 17, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SUN FEB 18 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 17 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 35 301 PM 67 2017 36 -1 67
MINIMUM 17 444 AM -11 1903 21 -4 27
AVERAGE 26 28 -2 47
PRECIPITATION (IN)
YESTERDAY 0.11 1.10 2008 0.06 0.05 0.00
MONTH TO DATE 1.73 0.97 0.76 0.47
SINCE DEC 1 3.86 4.95 -1.09 5.11
SINCE JAN 1 3.27 2.70 0.57 3.34
SNOWFALL (IN)
YESTERDAY 2.0 8.5 1893 0.4 1.6 0.0
MONTH TO DATE 20.3 5.9 14.4 T
SINCE DEC 1 30.2 24.9 5.3 18.3
SINCE JUL 1 30.3 26.3 4.0 18.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 39 37 2 18
MONTH TO DATE 745 662 83 557
SINCE DEC 1 3155 3096 59 2905
SINCE JUL 1 4198 4352 -154 3734
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 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 400 PM
LOWEST 57 800 AM
AVERAGE 75
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 70 2017
MINIMUM TEMPERATURE (F) 21 -14 1936
SUNRISE AND SUNSET
FEBRUARY 18 2018......SUNRISE 643 AM CST SUNSET 528 PM CST
FEBRUARY 19 2018......SUNRISE 642 AM CST SUNSET 530 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
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SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...
