| 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. | |||||||||||||||||
| 11 | 23:51 | NW 16 G 24 | 7.00 | Light Snow | BKN018 BKN040 OVC050 | 25 | 21 | 29 | 25 | 85% | 12 | NA | 30.01 | 1017.2 | 0.04 | ||
| 11 | 22:51 | NW 16 | 4.00 | Light Snow Fog/Mist | BKN012 OVC017 | 25 | 22 | 88% | 12 | NA | 29.96 | 1015.4 | |||||
| 11 | 21:51 | NW 15 | 2.00 | Light Snow Fog/Mist | BKN010 OVC018 | 26 | 24 | 92% | 14 | NA | 29.93 | 1014.4 | |||||
| 11 | 20:51 | N 22 G 31 | 1.75 | Light Snow Blowing Snow Fog/Mist and Breezy | FEW008 BKN011 OVC017 | 29 | 27 | 92% | 15 | NA | 29.88 | 1012.5 | 0.01 | 0.04 | |||
| 11 | 19:51 | N 25 G 37 | 0.25 | Heavy Snow Blowing Snow Freezing Fog and Breezy | VV004 | 29 | 27 | 92% | 15 | NA | 29.85 | 1011.6 | 0.02 | ||||
| 11 | 18:51 | N 28 G 38 | 1.00 | Light Snow Fog/Mist and Windy | VV009 | 29 | 27 | 92% | 14 | NA | 29.86 | 1011.9 | 0.01 | ||||
| 11 | 17:51 | N 22 G 33 | 1.00 | Light Snow Fog/Mist and Breezy | VV008 | 29 | 28 | 32 | 29 | 96% | 15 | NA | 29.87 | 1012.3 | 0.02 | 0.02 | |
| 11 | 16:51 | N 21 G 30 | 1.50 | Light Snow Fog/Mist and Breezy | BKN009 OVC017 | 30 | 28 | 92% | 17 | NA | 29.88 | 1012.3 | |||||
| 11 | 15:51 | N 22 G 33 | 1.00 | Light Snow Fog/Mist and Breezy | VV010 | 31 | 29 | 92% | 18 | NA | 29.82 | 1010.6 | |||||
| 11 | 14:51 | N 23 G 35 | 1.50 | Light Snow Fog/Mist and Breezy | FEW007 BKN011 OVC017 | 31 | 30 | 96% | 18 | NA | 29.82 | 1010.3 | |||||
| 11 | 13:51 | N 24 G 36 | 1.00 | Light Snow Fog/Mist and Breezy | OVC011 | 31 | 30 | 96% | 18 | NA | 29.84 | 1011.1 | |||||
| 11 | 12:51 | N 28 G 39 | 1.00 | Light Snow Fog/Mist and Windy | VV010 | 31 | 30 | 96% | 17 | NA | 29.84 | 1011.1 | |||||
| 11 | 11:51 | N 28 G 37 | 2.00 | Light Snow Fog/Mist and Windy | OVC011 | 32 | 30 | 34 | 31 | 92% | 18 | NA | 29.85 | 1011.4 | |||
| 11 | 10:51 | N 28 G 38 | 1.00 | Light Snow Fog/Mist and Windy | VV009 | 32 | 30 | 92% | 18 | NA | 29.89 | 1012.7 | |||||
| 11 | 09:51 | NE 35 G 43 | 3.00 | Light Snow Rain Fog/Mist and Windy | OVC012 | 32 | 30 | 92% | 17 | NA | 29.84 | 1011.1 | |||||
| 11 | 08:51 | N 33 G 47 | 1.50 | Light Snow Fog/Mist and Windy | OVC013 | 32 | 30 | 92% | 17 | NA | 29.87 | 1012.2 | |||||
| 11 | 07:51 | N 30 G 49 | 3.00 | Light Snow Fog/Mist and Windy | BKN013 OVC018 | 32 | 30 | 92% | 18 | NA | 29.87 | 1012.1 | |||||
| 11 | 06:51 | N 30 G 52 | 5.00 | Light Drizzle Fog/Mist and Windy | OVC009 | 32 | 30 | 92% | 18 | NA | 29.85 | 1011.5 | |||||
| 11 | 05:51 | N 33 G 45 | 5.00 | Light Drizzle Fog/Mist and Windy | OVC007 | 34 | 32 | 37 | 34 | 92% | 20 | NA | 29.80 | 1009.6 | 0.32 | ||
| 11 | 04:51 | N 31 G 48 | 8.00 | Light Rain and Windy | OVC006 | 36 | 34 | 93% | 23 | NA | 29.80 | 1009.6 | 0.01 | ||||
| 11 | 03:51 | N 22 G 32 | 8.00 | Light Rain and Breezy | OVC008 | 37 | 35 | 93% | 26 | NA | 29.81 | 1010.0 | 0.01 | ||||
| 11 | 02:51 | N 25 G 36 | 6.00 | Light Rain Fog/Mist and Breezy | OVC009 | 37 | 36 | 96% | 25 | NA | 29.83 | 1010.6 | 0.08 | 0.30 | |||
| 11 | 01:51 | N 25 G 35 | 5.00 | Light Rain Fog/Mist and Breezy | OVC008 | 37 | 35 | 93% | 25 | NA | 29.83 | 1010.6 | 0.09 | ||||
| 11 | 00:51 | N 20 G 26 | 4.00 | Rain Fog/Mist | OVC007 | 37 | 36 | 96% | 27 | NA | 29.83 | 1010.5 | 0.13 |
Hourly data not available at this time; climate data for this date available below ...
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. |
Light snow or occasionally some freezing drizzle will continue for a few more hours this evening. Many roads are slick as a result, so be sure to use caution if out traveling tonight. You can check road conditions across Illinois at https://t.co/g8ZF4AQF0s. pic.twitter.com/qqyj5u7GhP
— NWS Chicago (@NWSChicago) January 12, 2020
Moderate to heavy precipitation is moving northeast & expected to bring a period of moderate to heavy snowfall to parts of the area. For areas near and east of I-55 some sleet or freezing rain may occur initially before changing over to all snow. See the graphic for more details. pic.twitter.com/tgWLm5Xc8O
— NWS Chicago (@NWSChicago) January 11, 2020
*Period of Moderate Snow This Evening*
— NWS Chicago (@NWSChicago) January 11, 2020
Timing: 5-11 pm across NE Illinois into NW Indiana.
Snowfall rates of 1"/hr may be possible under the stronger snow bands. This combined with 35-45+ mph winds will result in hazardous conditions. #ILwx #INwx pic.twitter.com/eKscQW0TOG
*Period of Moderate Snow This Evening*
— NWS Chicago (@NWSChicago) January 11, 2020
Timing: 5-11 pm across NE Illinois into NW Indiana.
Snowfall rates of 1"/hr may be possible under the stronger snow bands. This combined with 35-45+ mph winds will result in hazardous conditions. #ILwx #INwx pic.twitter.com/eKscQW0TOG
Significant lakeshore flooding and erosion near Lake Michigan will continue through this evening. Flood impacts have already been reported. pic.twitter.com/22o8J3kv9J
— NWS Chicago (@NWSChicago) January 11, 2020
Minor to moderate river flooding imminent on several area rivers. Latest river observations and forecasts: https://t.co/aIHHTTvteZ pic.twitter.com/F74NyHOICF
— NWS Chicago (@NWSChicago) January 11, 2020
Significant Lakeshore Flooding and erosion is ongoing! Expect 14-18ft waves, occasionally 23ft, with a storm surge of 2 ft along the Illinois lakeshore. Waves and strong NW winds will continue through this evening. Be sure to stay away from flood-prone areas along the lake. #ILwx https://t.co/O5ZeVgyU9v
— NWS Chicago (@NWSChicago) January 11, 2020
https://t.co/u61rlmAn9W pic.twitter.com/25WhEzZYi9
— NWS Chicago (@NWSChicago) January 11, 2020
The trends for a few hour period of heavy snowfall this evening with strong winds continue to increase. This highlights expectations of timing for the Chicago metro area. Plan for impacted travel during the evening due to the period of heavy snow and reduced visibility. #ILwx pic.twitter.com/aDGkLCC2qF
— NWS Chicago (@NWSChicago) January 11, 2020
Here are expected trends through 1 PM. Along & north of pink line, temperatures are at or below freezing, with reports of icing & even some accidents. In this area, freezing drizzle, ice pellets, and even some light snow will occur. Use caution & allow extra time! #ILwx #INwx pic.twitter.com/Ec9k3YB8Bb
— NWS Chicago (@NWSChicago) January 11, 2020
Road conditions as of 8:30 a.m.
— IDOT (@IDOT_Illinois) January 11, 2020
Check current road conditions: https://t.co/gB7JR5c0VB
View emergency closures: https://t.co/T6wLI9ma2q pic.twitter.com/rLop1WxrjA
Winds are already gusting to 40-50 mph across the Chicago metro. This will continue through today & this eve. Gust to 55 mph near the lake. The winds in the metro are high enough to cause spotty damage & add to impacts of any freezing drizzle today & the snow tonight. #ILwx #INwx pic.twitter.com/l6NKFjZI97
— NWS Chicago (@NWSChicago) January 11, 2020
Preliminary rainfall reports from this morning:
— NWS Chicago (@NWSChicago) January 11, 2020
Valparaiso IN: 2.80"
Kankakee Airport IL: 2.65"
DeMotte IN: 2.63"
Peotone, IL: 2.34"
Pontiac Airport, IL: 1.86"
Oak Forecast, IL: 1.77"
Joliet, IL: 1.51"
Chicago O'Hare: 1.14"
Localized ponding on roads today.#ILwx #INwx
Significant lakeshore flooding & immediate lakeside erosion WILL OCCUR today & this eve. The 14-18 ft waves along the northeast IL shore, including the Chicago shore, will be the highest in at least 2-3 years. Heed closure signs & stay away from the immediate shore. #ILwx #INwx pic.twitter.com/tkm3dxH8Pz
— NWS Chicago (@NWSChicago) January 11, 2020
A <6hr period of moderate to briefly heavy snow is possible this evening, with a focus generally from 5-11 pm across northeast IL into northwest IN. The combination of this snow with strong N to NE winds will produce a period of hazardous conditions with reduced visibility. pic.twitter.com/U2nB42RkAO
— NWS Chicago (@NWSChicago) January 11, 2020
Expected trends thru ~3am CST: WINDY. Moderate-heavy downpours along/SE of Peru to #Chicago line may cause flooding. From NW to parts of far nrn IL, inc. #Rockford & far NW CHI burbs, freezing rain, psbl mix w/sleet. Power outages psbl. Use caution when driving! #ilwx #inwx pic.twitter.com/yPshg4NsEF
— NWS Chicago (@NWSChicago) January 11, 2020
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1254 AM CST SUN JAN 12 2020
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 11 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 37 426 AM 61 1880 31 6 30
MINIMUM 25 1159 PM -11 1977 16 9 17
1888
1887
AVERAGE 31 24 7 24
PRECIPITATION (IN)
YESTERDAY 0.37 0.64 1918 0.06 0.31 0.00
MONTH TO DATE 1.26 0.68 0.58 0.46
SINCE DEC 1 2.81 2.93 -0.12 3.78
SINCE JAN 1 1.26 0.68 0.58 0.46
SNOWFALL (IN)
YESTERDAY 2.1 5.9 2011 0.3 1.8 0.0
1918
MONTH TO DATE 2.6 3.6 -1.0 0.2
SINCE DEC 1 4.6 11.8 -7.2 1.6
SINCE JUL 1 12.9 13.2 -0.3 14.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 34 41 -7 41
MONTH TO DATE 338 451 -113 364
SINCE DEC 1 1293 1606 -313 1345
SINCE JUL 1 2646 2862 -216 2708
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 39 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 25.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
HEAVY SNOW
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
BLOWING SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 PM
LOWEST 88 1100 PM
AVERAGE 94
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 62 2005
1890
MINIMUM TEMPERATURE (F) 16 -14 1918
SUNRISE AND SUNSET
JANUARY 12 2020.......SUNRISE 718 AM CST SUNSET 441 PM CST
JANUARY 13 2020.......SUNRISE 718 AM CST SUNSET 443 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
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SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...
