| 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 3 | 10.00 | Fair | CLR | 31 | 18 | 59% | NA | NA | 30.03 | 1017.5 | |||||
| 17 | 22:51 | W 3 | 10.00 | Fair | CLR | 32 | 17 | 54% | NA | NA | 30.02 | 1017.1 | |||||
| 17 | 21:51 | NW 3 | 10.00 | Fair | CLR | 34 | 16 | 48% | NA | NA | 30.02 | 1017.2 | |||||
| 17 | 20:51 | N 5 | 10.00 | Fair | CLR | 33 | 16 | 49% | 28 | NA | 30.01 | 1017.0 | |||||
| 17 | 19:51 | N 6 | 10.00 | Fair | CLR | 38 | 16 | 41% | 33 | NA | 30.00 | 1016.4 | |||||
| 17 | 18:51 | NE 8 | 10.00 | Fair | CLR | 41 | 14 | 46 | 41 | 33% | 36 | NA | 29.98 | 1015.7 | |||
| 17 | 17:51 | NE 12 | 10.00 | A Few Clouds | FEW150 | 44 | 15 | 31% | 38 | NA | 29.95 | 1014.7 | |||||
| 17 | 16:51 | NE 13 | 10.00 | A Few Clouds | FEW150 FEW250 | 45 | 15 | 30% | 39 | NA | 29.94 | 1014.4 | |||||
| 17 | 15:51 | NE 12 | 10.00 | A Few Clouds | FEW150 FEW250 | 45 | 19 | 35% | 39 | NA | 29.94 | 1014.3 | |||||
| 17 | 14:51 | NE 15 | 10.00 | A Few Clouds | FEW150 FEW250 | 45 | 16 | 31% | 38 | NA | 29.94 | 1014.4 | |||||
| 17 | 13:51 | NE 16 | 10.00 | Partly Cloudy | FEW080 SCT130 SCT240 | 44 | 17 | 34% | 37 | NA | 29.94 | 1014.5 | |||||
| 17 | 12:51 | E 15 | 10.00 | Mostly Cloudy | FEW080 BKN130 BKN250 | 44 | 18 | 44 | 35 | 35% | 37 | NA | 29.95 | 1014.7 | |||
| 17 | 11:51 | NE 18 | 10.00 | Mostly Cloudy | FEW065 BKN080 BKN120 | 42 | 18 | 38% | 34 | NA | 29.94 | 1014.3 | |||||
| 17 | 10:51 | E 12 | 10.00 | Mostly Cloudy | FEW045 BKN070 BKN120 | 40 | 21 | 47% | 33 | NA | 29.93 | 1014.1 | |||||
| 17 | 09:51 | E 13 | 10.00 | Overcast | FEW045 SCT065 BKN100 OVC240 | 38 | 21 | 51% | 30 | NA | 29.92 | 1013.9 | |||||
| 17 | 08:51 | E 12 | 10.00 | Overcast | BKN060 OVC100 | 36 | 22 | 57% | 28 | NA | 29.92 | 1013.9 | |||||
| 17 | 07:51 | E 13 | 10.00 | Overcast | SCT050 OVC070 | 35 | 25 | 67% | 26 | NA | 29.91 | 1013.6 | |||||
| 17 | 06:51 | E 12 | 10.00 | Overcast | BKN037 BKN060 OVC095 | 35 | 25 | 35 | 33 | 67% | 27 | NA | 29.91 | 1013.6 | |||
| 17 | 05:51 | E 12 | 10.00 | Overcast | BKN060 BKN080 OVC120 | 35 | 24 | 64% | 27 | NA | 29.91 | 1013.3 | |||||
| 17 | 04:51 | E 8 | 10.00 | Overcast | BKN075 OVC100 | 35 | 24 | 64% | 28 | NA | 29.90 | 1013.2 | |||||
| 17 | 03:51 | E 10 | 10.00 | Overcast | BKN070 OVC100 | 34 | 24 | 67% | 26 | NA | 29.93 | 1014.2 | |||||
| 17 | 02:51 | E 10 | 10.00 | Overcast | BKN075 OVC120 | 34 | 25 | 70% | 26 | NA | 29.95 | 1014.9 | |||||
| 17 | 01:51 | E 12 | 10.00 | Overcast | FEW090 BKN120 OVC200 | 34 | 26 | 73% | 25 | NA | 29.99 | 1016.1 | |||||
| 17 | 00:51 | NE 10 | 10.00 | Mostly Cloudy | SCT090 SCT130 BKN200 | 33 | 26 | 33 | 32 | 75% | 25 | NA | 30.01 | 1016.7 |
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. |
Other than a slight chance of rain south on Monday, dry conditions are expected through the middle of next week. After a mild day Sunday, cooler weather returns through at least Wednesday. pic.twitter.com/1Sv54xFb1Q— NWS Chicago (@NWSChicago) March 17, 2018
Clouds giving way to sun this afternoon in downtown #Chicago, staying chilly in 30s. Highs inland in 40s. #HappyStPatricksDay! #ilwx #inwx pic.twitter.com/TWoqaVNCEl— NWS Chicago (@NWSChicago) March 17, 2018
Mix of light sleet, freezing rain, & snow will fade by 8-9 a.m. in the highlighted area. Slick spots on some roads, lots, & sidewalks exist early this a.m. Allow extra travel time. Scattered showers then possible for rest of the morning but warming above freezing. #ilwx #inwx pic.twitter.com/hgWwibSMZJ— NWS Chicago (@NWSChicago) March 17, 2018
Wintry mix ends this AM. Slick spots possible. Warming into the 40s except upper 30s near Lk. Mich. Mild Sunday away from lake. Cooler after pic.twitter.com/bgaccSj788— NWS Chicago (@NWSChicago) March 17, 2018
Mix of sleet, freezing rain, & light snow is occurring across the area. As seen on this loop, the precipitation is stalling & should not move much through daybreak while easing in intensity. Patchy slick conditions exist on some roads & elevated surfaces. Use caution. #ilwx #inwx pic.twitter.com/lRmaRZizsG— NWS Chicago (@NWSChicago) March 17, 2018
Good morning and happy #StPatricksDay2018 frozen precipitation on tree branches in Plattville IL @NWSChicago #ilwx pic.twitter.com/h4uMk2rRQD— Kennedy Rodriguez (@krodz63) March 17, 2018
— Bob - NILStormChaser (@nilwxreports) March 17, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SUN MAR 18 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 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 46 347 PM 82 2012 47 -1 50
MINIMUM 30 1159 PM -1 1900 30 0 36
AVERAGE 38 38 0 43
PRECIPITATION (IN)
YESTERDAY T 1.42 1965 0.08 -0.08 0.03
MONTH TO DATE 1.21 1.30 -0.09 0.88
SINCE MAR 1 1.21 1.30 -0.09 0.88
SINCE JAN 1 7.39 4.82 2.57 5.27
SNOWFALL (IN)
YESTERDAY T 4.1 1984 0.2 -0.2 T
MONTH TO DATE 2.6 3.8 -1.2 7.8
SINCE MAR 1 2.6 3.8 -1.2 7.8
SINCE JUL 1 32.9 33.3 -0.4 26.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 27 0 22
MONTH TO DATE 508 504 4 493
SINCE MAR 1 508 504 4 493
SINCE JUL 1 4966 5238 -272 4418
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
SLEET
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 1200 AM
LOWEST 31 200 PM
AVERAGE 53
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 81 2012
MINIMUM TEMPERATURE (F) 30 3 1923
SUNRISE AND SUNSET
MARCH 18 2018.........SUNRISE 658 AM CDT SUNSET 702 PM CDT
MARCH 19 2018.........SUNRISE 657 AM CDT SUNSET 703 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 ...
