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. | ||||||||||||||||
| 18 | 03:51 | SW 20 G 33 | 16.09 | Light Snow | SCT016 OVC100 | -12.2 | -16.1 | 73% | -20 | 76.3 | 1018.5 | ||||||
| 18 | 02:51 | W 19 | 16.09 | Light Snow | SCT011 OVC100 | -11.7 | -15.6 | 73% | -19 | 76.3 | 1018.7 | ||||||
| 18 | 01:51 | W 22 | 16.09 | Light Snow | FEW010 BKN022 BKN110 | -11.7 | -15 | 77% | -20 | 76.33 | 1018.9 | ||||||
| 18 | 00:51 | SW 17 G 35 | 14.48 | Light Snow | SCT017 SCT065 BKN110 | -10.6 | -14.4 | 74% | -17 | 76.3 | 1018.7 | ||||||
| 17 | 23:51 | SW 19 G 31 | 11.27 | Light Snow | SCT028 BKN048 OVC065 | -10 | -13.9 | -9.4 | -10 | 73% | -17 | 76.33 | 1019.0 | ||||
| 17 | 22:51 | W 22 G 39 | 9.66 | Light Snow | FEW017 BKN024 OVC050 | -9.4 | -13.3 | 74% | -17 | 76.38 | 1019.4 | ||||||
| 17 | 21:51 | SW 19 | 11.27 | Light Snow | FEW019 BKN049 OVC095 | -9.4 | -13.3 | 74% | -16 | 76.35 | 1019.2 | ||||||
| 17 | 20:51 | SW 22 | 8.05 | Light Snow | FEW023 BKN031 OVC090 | -10 | -13.3 | 77% | -18 | 76.33 | 1019.1 | ||||||
| 17 | 19:51 | SW 20 G 37 | 8.05 | Light Snow | SCT019 OVC038 | -10 | -13.9 | 73% | -17 | 76.38 | 1019.5 | ||||||
| 17 | 18:51 | W 20 G 33 | 8.05 | Light Snow | BKN044 OVC065 | -9.4 | -13.3 | 74% | -17 | 76.38 | 1019.5 | ||||||
| 17 | 17:51 | W 26 G 41 | 6.44 | Light Snow | SCT020 BKN036 OVC060 | -9.4 | -13.9 | -8.3 | -9.4 | 70% | -18 | 76.35 | 1019.4 | ||||
| 17 | 16:51 | W 17 G 37 | 12.87 | Light Snow | SCT030 BKN038 OVC055 | -8.9 | -14.4 | 65% | -15 | 76.3 | 1018.5 | ||||||
| 17 | 15:51 | W 24 G 41 | 16.09 | Mostly Cloudy | BKN039 | -8.9 | -16.7 | 54% | -17 | 76.25 | 1017.9 | ||||||
| 17 | 14:51 | W 22 G 46 | 16.09 | Mostly Cloudy | BKN039 | -8.9 | -17.2 | 51% | -16 | 76.2 | 1017.2 | ||||||
| 17 | 13:51 | SW 30 G 54 | 16.09 | Mostly Cloudy | BKN038 | -8.9 | -17.2 | 51% | -17 | 76.15 | 1016.4 | ||||||
| 17 | 12:51 | SW 30 G 52 | 16.09 | Mostly Cloudy | BKN036 | -8.9 | -17.8 | 49% | -17 | 76.12 | 1016.2 | ||||||
| 17 | 11:51 | SW 24 G 44 | 16.09 | Light Snow | FEW026 BKN035 | -9.4 | -17.2 | -9.4 | -11.1 | 53% | -17 | 76.15 | 1016.3 | ||||
| 17 | 10:51 | W 26 G 39 | 16.09 | Light Snow | SCT022 BKN031 | -10 | -17.2 | 56% | -18 | 76.17 | 1016.5 | ||||||
| 17 | 09:51 | SW 30 G 50 | 16.09 | Mostly Cloudy | BKN028 | -10 | -17.2 | 56% | -19 | 76.12 | 1015.9 | ||||||
| 17 | 08:51 | W 19 G 41 | 16.09 | Partly Cloudy | SCT023 | -11.1 | -16.7 | 64% | -18 | 76.02 | 1014.4 | ||||||
| 17 | 07:51 | W 19 G 39 | 16.09 | A Few Clouds | FEW025 FEW055 FEW200 | -11.1 | -17.2 | 61% | -18 | 75.95 | 1013.5 | ||||||
| 17 | 06:51 | W 22 G 35 | 16.09 | A Few Clouds | FEW025 FEW200 | -11.1 | -16.7 | 64% | -19 | 75.87 | 1012.4 | ||||||
| 17 | 05:51 | W 22 G 35 | 16.09 | A Few Clouds | FEW150 | -11.1 | -17.2 | -3.9 | -11.1 | 61% | -19 | 75.79 | 1011.4 | ||||
| 17 | 04:51 | W 30 G 46 | 16.09 | A Few Clouds | FEW050 FEW110 | -10.6 | -16.1 | 64% | -20 | 75.72 | 1010.5 | ||||||
| 17 | 03:51 | W 28 G 44 | 16.09 | Partly Cloudy | FEW050 SCT110 | -9.4 | -16.7 | 56% | -18 | 75.64 | 1009.5 | ||||||
| 17 | 02:51 | W 28 G 43 | 16.09 | Partly Cloudy | FEW050 SCT110 | -7.8 | -15 | 57% | -16 | 75.62 | 1008.8 | ||||||
| 17 | 01:51 | W 24 G 46 | 16.09 | Mostly Cloudy | SCT050 BKN110 | -6.7 | -15 | 52% | -14 | 75.54 | 1008.0 | ||||||
| 17 | 00:51 | W 33 G 54 | 16.09 | Overcast and Breezy | OVC050 | -6.1 | -13.3 | 57% | -14 | 75.49 | 1007.3 | ||||||
| 16 | 23:51 | W 31 G 50 | 16.09 | Overcast | OVC050 | -3.9 | -11.7 | 2.2 | -3.9 | 55% | -11 | 75.46 | 1006.7 | 0.05 | |||
| 16 | 22:51 | W 31 G 46 | 16.09 | Overcast | OVC050 | -3.3 | -10.6 | 57% | -10 | 75.44 | 1006.4 | ||||||
| 16 | 21:51 | W 22 G 35 | 16.09 | Overcast | FEW055 BKN095 OVC140 | -2.2 | -8.3 | 63% | -8 | 75.39 | 1005.7 | ||||||
| 16 | 20:51 | W 30 G 46 | 16.09 | Overcast | FEW050 BKN090 OVC120 | -1.1 | -8.3 | 58% | -7 | 75.34 | 1005.2 | 0.05 | |||||
| 16 | 19:51 | W 30 G 43 | 16.09 | Overcast | FEW035 FEW095 BKN120 OVC250 | 0 | -7.2 | 59% | -6 | 75.29 | 1004.5 | ||||||
| 16 | 18:51 | W 26 G 67 | 16.09 | Overcast | SCT038 BKN085 BKN120 OVC250 | 1.1 | -6.1 | 59% | -4 | 75.26 | 1004.0 | 0.05 | |||||
| 16 | 17:51 | SW 17 | 16.09 | Light Snow | SCT033 BKN045 OVC055 | 2.2 | -2.2 | 2.8 | 0 | 73% | -2 | 75.16 | 1002.5 | ||||
| 16 | 16:51 | SW 19 G 30 | 14.48 | Light Snow | SCT016 BKN032 OVC055 | 2.2 | -2.2 | 73% | -2 | 75.11 | 1002.0 | ||||||
| 16 | 15:51 | SW 17 G 33 | 16.09 | Overcast | SCT027 OVC038 | 2.2 | -2.8 | 70% | -2 | 75.06 | 1001.3 | ||||||
| 16 | 14:51 | W 17 G 33 | 16.09 | Overcast | FEW023 OVC029 | 2.8 | -2.8 | 67% | -1 | 75.01 | 1000.8 | ||||||
| 16 | 13:51 | W 22 G 33 | 16.09 | Overcast | BKN020 OVC037 | 2.2 | -1.7 | 76% | -2 | 74.93 | 999.6 | ||||||
| 16 | 12:51 | W 22 G 35 | 16.09 | Overcast | OVC014 | 1.7 | -1.1 | 82% | -3 | 74.93 | 999.7 | ||||||
| 16 | 11:51 | SW 19 | 11.27 | Light Snow | OVC010 | 0 | -2.2 | 0 | -3.3 | 85% | -5 | 74.96 | 1000.1 | 0.13 | |||
| 16 | 10:51 | SW 24 G 33 | 12.87 | Light Snow | OVC012 | -0.6 | -3.3 | 82% | -6 | 74.98 | 1000.2 | ||||||
| 16 | 09:51 | SW 22 | 11.27 | Light Snow | OVC014 | -1.1 | -3.9 | 82% | -7 | 74.96 | 1000.0 | ||||||
| 16 | 08:51 | SW 26 G 37 | 6.44 | Light Snow Fog/Mist | BKN012 BKN018 OVC043 | -2.8 | -4.4 | 89% | -9 | 74.93 | 999.9 | 0.03 | 0.13 | ||||
| 16 | 07:51 | SW 20 | 1.61 | Light Snow Fog/Mist | BKN013 BKN018 OVC029 | -3.3 | -4.4 | 92% | -9 | 74.96 | 1000.0 | 0.05 | |||||
| 16 | 06:51 | S 17 G 31 | 1.61 | Light Snow Fog/Mist | VV012 | -3.3 | -5 | 88% | -8 | 74.96 | 1000.1 | 0.05 | |||||
| 16 | 05:51 | S 19 G 33 | 16.09 | Overcast | FEW015 OVC039 | -3.3 | -6.7 | -3.3 | -5.6 | 78% | -9 | 75.01 | 1000.7 | ||||
| 16 | 04:51 | S 20 | 16.09 | Overcast | SCT015 OVC037 | -3.9 | -6.7 | 81% | -10 | 75.03 | 1001.1 | ||||||
| 16 | 03:51 | S 24 G 41 | 16.09 | Overcast | OVC013 | -4.4 | -7.2 | 81% | -11 | 75.06 | 1001.6 | ||||||
| 16 | 02:51 | S 17 | 16.09 | Overcast | OVC013 | -4.4 | -7.2 | 81% | -10 | 75.18 | 1003.3 | ||||||
| 16 | 01:51 | S 20 | 16.09 | Overcast | OVC015 | -5 | -7.8 | 81% | -11 | 75.21 | 1003.7 | ||||||
| 16 | 00:51 | S 22 G 30 | 8.05 | Light Snow | FEW020 BKN030 OVC041 | -5 | -9.4 | 72% | -11 | 75.29 | 1004.7 | ||||||
| 15 | 23:51 | S 24 G 44 | 8.05 | Light Snow | BKN048 OVC075 | -5 | -10.6 | -4.4 | -5.6 | 65% | -12 | 75.39 | 1006.0 | ||||
| 15 | 22:51 | SW 20 | 16.09 | Overcast | BKN060 BKN075 OVC100 | -4.4 | -12.8 | 52% | -10 | 75.46 | 1007.2 | ||||||
| 15 | 21:51 | SW 17 G 35 | 16.09 | Overcast | SCT050 BKN065 OVC085 | -4.4 | -12.8 | 52% | -10 | 75.54 | 1008.0 | ||||||
| 15 | 20:51 | SW 17 | 16.09 | Overcast | BKN090 OVC130 | -5 | -12.2 | 57% | -10 | 75.59 | 1008.9 | ||||||
| 15 | 19:51 | S 15 | 16.09 | Overcast | BKN110 BKN140 BKN170 OVC250 | -5 | -12.2 | 57% | -10 | 75.59 | 1008.9 | ||||||
| 15 | 18:51 | S 17 | 16.09 | Mostly Cloudy | FEW110 SCT140 BKN170 BKN250 | -5.6 | -12.8 | 57% | -11 | 75.62 | 1009.4 | ||||||
| 15 | 17:51 | SW 17 | 16.09 | Mostly Cloudy | SCT130 BKN180 BKN250 | -5.6 | -13.3 | -4.4 | -7.2 | 55% | -11 | 75.69 | 1010.3 | ||||
| 15 | 16:51 | SW 19 | 16.09 | Mostly Cloudy | BKN120 BKN250 | -5 | -13.9 | 50% | -11 | 75.74 | 1010.9 | ||||||
| 15 | 15:51 | SW 19 | 16.09 | Mostly Cloudy | BKN150 BKN250 | -4.4 | -13.3 | 50% | -10 | 75.79 | 1011.6 | ||||||
| 15 | 14:51 | W 19 | 16.09 | Partly Cloudy | FEW150 SCT250 | -5 | -13.9 | 50% | -11 | 75.84 | 1012.3 | ||||||
| 15 | 13:51 | W 20 | 16.09 | A Few Clouds | FEW180 FEW250 | -5.6 | -14.4 | 50% | -12 | 75.87 | 1012.7 | ||||||
| 15 | 12:51 | SW 13 | 16.09 | A Few Clouds | FEW027 FEW250 | -6.1 | -13.9 | 54% | -11 | 75.92 | 1013.4 | ||||||
| 15 | 11:51 | W 15 | 16.09 | A Few Clouds | FEW027 FEW250 | -7.2 | -14.4 | -7.2 | -10.6 | 57% | -13 | 76.05 | 1014.9 | ||||
| 15 | 10:51 | W 11 | 16.09 | A Few Clouds | FEW026 FEW250 | -7.8 | -14.4 | 59% | -12 | 76.15 | 1016.5 | ||||||
| 15 | 09:51 | NW 17 | 16.09 | A Few Clouds | FEW024 FEW250 | -8.9 | -15 | 62% | -15 | 76.2 | 1017.2 | ||||||
| 15 | 08:51 | W 13 | 16.09 | A Few Clouds | FEW024 FEW250 | -9.4 | -15 | 64% | -15 | 76.17 | 1016.8 | ||||||
| 15 | 07:51 | NW 15 | 16.09 | A Few Clouds | FEW024 | -10.6 | -15 | 70% | -17 | 76.17 | 1016.7 | ||||||
| 15 | 06:51 | NW 19 | 16.09 | Mostly Cloudy | BKN025 | -10 | -15.6 | 64% | -17 | 76.2 | 1017.2 | ||||||
| 15 | 05:51 | NW 22 G 37 | 16.09 | Mostly Cloudy | BKN027 | -9.4 | -15.6 | -8.3 | -9.4 | 61% | -17 | 76.2 | 1017.0 | ||||
| 15 | 04:51 | N 19 | 16.09 | Mostly Cloudy | BKN029 | -9.4 | -15.6 | 61% | -16 | 76.2 | 1017.1 | ||||||
| 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) | |||||||||||||||