Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cst) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Temperature (ºC) | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | Pressure | Precipitation (cm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | Min. | ||||||||||||||||
| 25 | 21:51 | NW 26 G 39 | 9.66 | Light Snow | FEW030 OVC041 | -13.9 | -19.4 | 63% | -23 | 76.61 | 1022.7 | ||||||
| 25 | 20:51 | NW 19 G 33 | 16.09 | Light Snow | FEW033 OVC040 | -12.8 | -18.3 | 64% | -20 | 76.56 | 1022.2 | ||||||
| 25 | 19:51 | NW 24 G 35 | 16.09 | Overcast | OVC035 | -12.8 | -17.8 | 66% | -22 | 76.53 | 1021.6 | ||||||
| 25 | 18:51 | NW 19 G 35 | 16.09 | Overcast | FEW026 OVC034 | -12.2 | -17.8 | 63% | -20 | 76.5 | 1021.4 | ||||||
| 25 | 17:51 | NW 22 | 16.09 | Overcast | OVC033 | -12.2 | -17.2 | -10 | -12.2 | 67% | -20 | 76.48 | 1021.1 | 0.03 | |||
| 25 | 16:51 | NW 30 G 41 | 14.48 | Light Snow | OVC031 | -11.7 | -16.7 | 67% | -21 | 76.43 | 1020.5 | ||||||
| 25 | 15:51 | N 28 | 8.05 | Light Snow | OVC031 | -10.6 | -15 | 70% | -19 | 76.4 | 1020.0 | ||||||
| 25 | 14:51 | NW 22 G 35 | 11.27 | Light Snow | FEW020 OVC032 | -10 | -14.4 | 71% | -18 | 76.38 | 1019.6 | 0.03 | |||||
| 25 | 13:51 | N 22 | 1.21 | Light Snow | BKN020 OVC034 | -10.6 | -14.4 | 74% | -18 | 76.33 | 1019.1 | ||||||
| 25 | 12:51 | N 22 | 2.01 | Light Snow | OVC027 | -10.6 | -13.9 | 77% | -18 | 76.33 | 1019.1 | 0.03 | |||||
| 25 | 11:51 | N 22 | 2.01 | Light Snow | OVC028 | -10.6 | -13.3 | -10.6 | -13.9 | 81% | -18 | 76.4 | 1020.2 | 0.13 | |||
| 25 | 10:51 | N 22 | 1.21 | Light Snow | VV015 | -10.6 | -13.3 | 81% | -18 | 76.45 | 1020.8 | ||||||
| 25 | 09:51 | N 22 | 1.61 | Light Snow Fog/Mist | VV012 | -11.1 | -13.3 | 84% | -19 | 76.43 | 1020.3 | 0.03 | |||||
| 25 | 08:51 | N 17 | 1.61 | Light Snow Fog/Mist | VV014 | -12.2 | -14.4 | 84% | -19 | 76.53 | 1021.9 | 0.05 | 0.1 | ||||
| 25 | 07:51 | N 17 | 1.61 | Light Snow | VV015 | -12.8 | -15.6 | 80% | -20 | 76.56 | 1022.3 | 0.03 | |||||
| 25 | 06:51 | N 15 | 1.61 | Light Snow | VV013 | -13.3 | -16.1 | 80% | -20 | 76.63 | 1023.1 | 0.03 | |||||
| 25 | 05:51 | N 19 | 2.41 | Light Snow | OVC016 | -13.9 | -16.7 | -13.9 | -15 | 80% | -22 | 76.63 | 1023.4 | 0.03 | 0.1 | ||
| 25 | 04:51 | N 15 | 4.83 | Light Snow | OVC027 | -14.4 | -17.2 | 80% | -22 | 76.73 | 1024.7 | ||||||
| 25 | 03:51 | N 15 | 8.05 | Light Snow | BKN029 OVC038 | -15 | -17.8 | 79% | -22 | 76.78 | 1025.4 | ||||||
| 25 | 02:51 | N 17 | 8.05 | Light Snow | OVC033 | -15 | -18.3 | 76% | -23 | 76.86 | 1026.4 | 0.08 | |||||
| 25 | 01:51 | N 11 | 4.02 | Light Snow | OVC031 | -15 | -18.3 | 76% | -21 | 76.96 | 1027.8 | 0.03 | |||||
| 25 | 00:51 | N 15 | 2.82 | Light Snow | OVC019 | -15 | -17.8 | 79% | -22 | 77.04 | 1028.7 | 0.05 | |||||
| 24 | 23:51 | N 13 | 3.22 | Light Snow | OVC019 | -15 | -18.3 | -14.4 | -15 | 76% | -22 | 77.11 | 1029.9 | 0.03 | 0.1 | ||
| 24 | 22:51 | N 13 | 4.02 | Light Snow | OVC030 | -15 | -17.8 | 79% | -22 | 77.17 | 1030.6 | ||||||
| 24 | 21:51 | N 15 | 3.22 | Light Snow | OVC022 | -15 | -18.3 | 76% | -22 | 77.24 | 1031.7 | 0.03 | |||||
| 24 | 20:51 | N 13 | 4.83 | Light Snow | OVC039 | -15 | -18.3 | 76% | -22 | 77.32 | 1032.8 | 0.03 | 0.05 | ||||
| 24 | 19:51 | N 9 | 4.02 | Light Snow | OVC031 | -15 | -18.3 | 76% | -20 | 77.37 | 1033.5 | ||||||
| 24 | 18:51 | N 9 | 6.44 | Light Snow | OVC037 | -15 | -18.9 | 72% | -20 | 77.42 | 1034.3 | 0.03 | |||||
| 24 | 17:51 | N 7 | 4.83 | Light Snow | OVC039 | -15 | -19.4 | -14.4 | -16.7 | 69% | -20 | 77.52 | 1035.3 | ||||
| 24 | 16:51 | Calm | 9.66 | Light Snow | OVC047 | -15 | -22.2 | 54% | 77.55 | 1035.7 | |||||||
| 24 | 15:51 | Calm | 8.05 | Light Snow | BKN048 OVC060 | -15 | -23.9 | 47% | 77.55 | 1035.7 | |||||||
| 24 | 14:51 | E 6 | 14.48 | Light Snow | BKN040 OVC048 | -14.4 | -25.6 | 38% | 77.6 | 1036.5 | |||||||
| 24 | 13:51 | Calm | 16.09 | Overcast | BKN070 BKN100 BKN170 OVC250 | -15 | -27.2 | 35% | 77.65 | 1037.0 | |||||||
| 24 | 12:51 | NW 6 | 16.09 | Overcast | FEW009 SCT075 SCT120 BKN170 OVC250 | -15.6 | -27.2 | 36% | 77.7 | 1037.9 | |||||||
| 24 | 11:51 | Calm | 16.09 | Overcast | SCT090 BKN180 OVC250 | -16.7 | -27.8 | -16.7 | -23.3 | 38% | 77.8 | 1039.4 | |||||
| 24 | 10:51 | NW 11 | 16.09 | Overcast | BKN090 BKN160 OVC250 | -18.3 | -27.8 | 43% | -25 | 77.9 | 1040.6 | ||||||
| 24 | 08:51 | Vrbl 6 | 16.09 | Overcast | BKN100 BKN170 OVC250 | -21.7 | -28.9 | 52% | 77.95 | 1041.5 | |||||||
| 24 | 07:51 | NW 11 | 16.09 | Overcast | BKN100 BKN170 OVC250 | -22.8 | -30 | 52% | -30 | 78 | 1042.1 | ||||||
| 24 | 06:51 | NW 15 | 16.09 | Mostly Cloudy | FEW170 BKN250 | -23.3 | -30.6 | 51% | -32 | 78 | 1042.2 | ||||||
| 24 | 05:51 | NW 17 | 16.09 | Mostly Cloudy | FEW190 BKN250 | -23.3 | -31.1 | -22.2 | -23.3 | 49% | -33 | 78.03 | 1042.5 | ||||
| 24 | 04:51 | NW 13 | 16.09 | Partly Cloudy | FEW120 SCT250 | -23.3 | -30.6 | 51% | -32 | 78 | 1042.2 | ||||||
| 24 | 03:51 | NW 15 | 16.09 | Partly Cloudy | FEW120 SCT250 | -22.8 | -30.6 | 49% | -32 | 78.03 | 1042.3 | ||||||
| 24 | 02:51 | N 13 | 16.09 | Mostly Cloudy | SCT140 BKN250 | -22.2 | -30.6 | 47% | -30 | 78.08 | 1043.1 | ||||||
| 24 | 01:51 | N 13 | 16.09 | Mostly Cloudy | SCT140 BKN250 | -22.8 | -31.1 | 47% | -31 | 78.11 | 1043.3 | ||||||
| 24 | 00:51 | N 15 | 16.09 | Partly Cloudy | SCT250 | -22.2 | -31.1 | 44% | -31 | 78.08 | 1043.1 | ||||||
| 23 | 23:51 | NW 17 | 16.09 | Partly Cloudy | SCT250 | -22.2 | -31.7 | -22.2 | -22.8 | 42% | -32 | 78.08 | 1043.1 | ||||
| 23 | 22:51 | NW 17 | 16.09 | Partly Cloudy | SCT250 | -22.2 | -31.7 | 42% | -32 | 78.08 | 1043.3 | ||||||
| 23 | 21:51 | NW 20 | 16.09 | A Few Clouds | FEW250 | -22.8 | -31.7 | 44% | -33 | 78.08 | 1043.2 | ||||||
| 23 | 20:51 | NW 19 | 16.09 | A Few Clouds | FEW250 | -22.8 | -32.2 | 42% | -33 | 78.08 | 1043.3 | ||||||
| 23 | 19:51 | NW 13 | 16.09 | Partly Cloudy | SCT250 | -22.8 | -32.2 | 42% | -31 | 78.08 | 1043.3 | ||||||
| 23 | 18:51 | NW 17 | 16.09 | Partly Cloudy | SCT250 | -22.8 | -32.2 | 42% | -32 | 78.05 | 1043.1 | ||||||
| 23 | 17:51 | W 15 | 16.09 | A Few Clouds | FEW250 | -22.2 | -32.2 | -20 | -22.2 | 40% | -31 | 78.05 | 1042.9 | ||||
| 23 | 16:51 | NW 20 | 16.09 | Partly Cloudy | SCT250 | -21.7 | -32.8 | 36% | -32 | 78 | 1042.0 | ||||||
| 23 | 15:51 | NW 19 | 16.09 | Partly Cloudy | SCT250 | -20.6 | -32.2 | 35% | -30 | 77.98 | 1041.7 | ||||||
| 23 | 14:51 | NW 20 | 16.09 | A Few Clouds | FEW250 | -20.6 | -32.2 | 35% | -31 | 77.93 | 1041.0 | ||||||
| 23 | 13:51 | NW 19 G 35 | 16.09 | A Few Clouds | FEW026 FEW250 | -20.6 | -32.2 | 35% | -30 | 77.93 | 1040.8 | ||||||
| 23 | 12:51 | NW 24 G 33 | 16.09 | A Few Clouds | FEW024 FEW250 | -20.6 | -32.2 | 35% | -31 | 77.95 | 1041.2 | ||||||
| 23 | 11:51 | NW 22 | 16.09 | A Few Clouds | FEW024 FEW250 | -21.1 | -32.8 | -21.1 | -23.9 | 34% | -32 | 77.98 | 1041.7 | ||||
| 23 | 10:51 | NW 17 | 16.09 | Partly Cloudy | FEW024 SCT250 | -22.2 | -33.3 | 36% | -32 | 77.98 | 1041.7 | ||||||
| 23 | 09:51 | NW 20 | 16.09 | Partly Cloudy | FEW024 SCT250 | -23.3 | -32.8 | 41% | -34 | 77.93 | 1040.8 | ||||||
| 23 | 08:51 | NW 19 | 16.09 | Partly Cloudy | FEW022 SCT250 | -23.9 | -33.3 | 42% | -34 | 77.83 | 1039.5 | ||||||
| 23 | 07:51 | NW 31 G 43 | 16.09 | A Few Clouds | FEW022 FEW250 | -23.9 | -33.3 | 42% | -37 | 77.72 | 1038.1 | ||||||
| 23 | 06:51 | NW 19 G 33 | 16.09 | A Few Clouds | FEW022 FEW250 | -22.8 | -30.6 | 49% | -33 | 77.62 | 1036.7 | ||||||
| 23 | 05:51 | NW 31 G 41 | 16.09 | Partly Cloudy | SCT022 | -22.2 | -30 | -15 | -22.2 | 49% | -35 | 77.55 | 1035.5 | ||||
| 23 | 04:51 | NW 26 G 39 | 16.09 | Mostly Cloudy | BKN024 | -20 | -26.7 | 55% | -31 | 77.39 | 1033.5 | ||||||
| 23 | 03:51 | W 26 | 16.09 | Mostly Cloudy | BKN023 BKN250 | -18.9 | -26.1 | 53% | -30 | 77.29 | 1032.1 | ||||||
| 23 | 02:51 | NW 31 G 46 | 16.09 | Mostly Cloudy | SCT020 BKN250 | -18.3 | -25 | 56% | -30 | 77.24 | 1031.1 | ||||||
| 23 | 01:51 | W 24 G 39 | 16.09 | Mostly Cloudy | FEW025 BKN220 | -17.2 | -25 | 51% | -27 | 77.14 | 1030.0 | ||||||
| 23 | 00:51 | W 28 G 54 | 16.09 | Mostly Cloudy | BKN230 | -16.1 | -25 | 47% | -26 | 77.09 | 1029.0 | ||||||
| 22 | 23:51 | W 20 G 44 | 16.09 | Mostly Cloudy | BKN230 | -15 | -24.4 | -7.8 | -15 | 45% | -24 | 77.01 | 1028.0 | ||||
| 22 | 22:51 | W 20 G 46 | 16.09 | A Few Clouds | FEW035 | -13.3 | -24.4 | 39% | -21 | 76.94 | 1027.3 | ||||||
| Date | Time (cst) | Wind (kph) | Vis. (km) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°C) | Heat Index (°C) | altimeter (cm) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºC) | Pressure | Precipitation (cm) | |||||||||||||||