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. | ||||||||||||||||
| 21 | 09:51 | W 17 G 33 | 16.09 | A Few Clouds | FEW019 FEW035 | -2.2 | -8.3 | 63% | -7 | 75.97 | 1013.7 | ||||||
| 21 | 08:51 | W 17 | 16.09 | Mostly Cloudy | FEW021 BKN060 | -2.2 | -5.6 | 78% | -7 | 75.92 | 1013.0 | 0.03 | |||||
| 21 | 07:51 | W 11 | 16.09 | Overcast | FEW021 OVC065 | -2.8 | -6.1 | 78% | -7 | 75.9 | 1012.8 | 0.03 | |||||
| 21 | 06:51 | W 28 G 37 | 9.66 | Light Snow | OVC032 | -1.7 | -7.8 | 63% | -8 | 75.92 | 1013.1 | ||||||
| 21 | 05:51 | SW 11 | 16.09 | Overcast | BKN050 OVC070 | -2.2 | -9.4 | -2.2 | -6.1 | 58% | -6 | 75.95 | 1013.3 | 0.03 | |||
| 21 | 04:51 | S 11 | 16.09 | Overcast | OVC070 | -2.2 | -9.4 | 58% | -6 | 75.97 | 1013.7 | ||||||
| 21 | 03:51 | S 15 | 16.09 | Overcast | SCT055 OVC070 | -2.8 | -8.9 | 63% | -7 | 76.05 | 1014.9 | ||||||
| 21 | 02:51 | S 19 | 16.09 | Overcast | OVC045 | -3.9 | -10.6 | 60% | -9 | 76.12 | 1016.1 | 0.03 | |||||
| 21 | 01:51 | SE 13 | 11.27 | Light Snow | OVC036 | -5 | -9.4 | 72% | -10 | 76.3 | 1018.2 | ||||||
| 21 | 00:51 | S 11 | 3.22 | Light Snow Fog/Mist | OVC024 | -6.1 | -8.3 | 85% | -10 | 76.4 | 1019.7 | 0.03 | |||||
| 20 | 23:51 | S 19 | 4.83 | Light Snow | OVC024 | -5 | -10 | -4.4 | -7.8 | 68% | -11 | 76.48 | 1020.9 | ||||
| 20 | 22:51 | S 15 | 16.09 | Overcast | BKN039 OVC050 | -4.4 | -12.8 | 52% | -9 | 76.53 | 1021.6 | ||||||
| 20 | 21:51 | S 15 | 16.09 | Overcast | BKN055 OVC070 | -4.4 | -13.3 | 50% | -9 | 76.56 | 1022.0 | ||||||
| 20 | 20:51 | S 19 | 16.09 | Overcast | BKN055 OVC075 | -5 | -13.3 | 53% | -11 | 76.58 | 1022.3 | ||||||
| 20 | 19:51 | S 11 | 16.09 | Overcast | OVC095 | -6.1 | -13.3 | 57% | -10 | 76.66 | 1023.5 | ||||||
| 20 | 18:51 | SE 7 | 16.09 | Overcast | FEW100 OVC130 | -6.7 | -15 | 52% | -10 | 76.71 | 1024.0 | ||||||
| 20 | 17:51 | SE 7 | 16.09 | Overcast | BKN120 OVC250 | -7.8 | -16.7 | -6.7 | -10 | 49% | -11 | 76.76 | 1024.8 | ||||
| 20 | 16:51 | S 7 | 16.09 | Mostly Cloudy | FEW130 BKN250 | -7.8 | -17.8 | 45% | -11 | 76.78 | 1025.2 | ||||||
| 20 | 15:51 | SW 17 | 16.09 | Mostly Cloudy | BKN250 | -6.7 | -17.8 | 41% | -13 | 76.84 | 1025.8 | ||||||
| 20 | 14:51 | SW 9 | 16.09 | Overcast | OVC250 | -7.2 | -17.8 | 43% | -11 | 76.89 | 1026.4 | ||||||
| 20 | 13:51 | SW 15 | 16.09 | Mostly Cloudy | FEW025 BKN250 | -8.3 | -18.9 | 43% | -14 | 76.96 | 1027.5 | ||||||
| 20 | 12:51 | SW 17 | 16.09 | Mostly Cloudy | FEW025 BKN250 | -8.9 | -19.4 | 43% | -15 | 77.04 | 1028.4 | ||||||
| 20 | 11:51 | W 20 | 16.09 | Partly Cloudy | FEW025 SCT250 | -10 | -18.9 | -10 | -16.1 | 49% | -17 | 77.09 | 1029.4 | ||||
| 20 | 10:51 | W 17 | 16.09 | A Few Clouds | FEW025 FEW250 | -11.1 | -19.4 | 51% | -18 | 77.14 | 1030.0 | ||||||
| 20 | 09:51 | W 15 | 16.09 | A Few Clouds | FEW020 FEW250 | -13.3 | -20 | 57% | -20 | 77.14 | 1030.1 | ||||||
| 20 | 08:51 | W 15 | 16.09 | A Few Clouds | FEW020 | -14.4 | -20 | 63% | -22 | 77.14 | 1029.9 | ||||||
| 20 | 07:51 | W 15 | 16.09 | A Few Clouds | FEW020 | -15.6 | -20 | 69% | -23 | 77.09 | 1029.6 | ||||||
| 20 | 06:51 | W 17 | 16.09 | A Few Clouds | FEW020 | -16.1 | -20.6 | 69% | -24 | 77.09 | 1029.3 | ||||||
| 20 | 05:51 | W 9 | 16.09 | Fair | CLR | -16.1 | -20.6 | -15.6 | -16.1 | 69% | -22 | 77.04 | 1028.8 | ||||
| 20 | 04:51 | SW 13 | 16.09 | Fair | CLR | -16.1 | -20.6 | 69% | -23 | 77.01 | 1028.6 | ||||||
| 20 | 03:51 | W 11 | 16.09 | Fair | CLR | -16.1 | -20.6 | 69% | -22 | 77.01 | 1028.4 | ||||||
| 20 | 02:51 | SW 11 | 16.09 | Fair | CLR | -16.1 | -20.6 | 69% | -22 | 76.99 | 1028.2 | ||||||
| 20 | 01:51 | W 9 | 16.09 | Fair | CLR | -16.1 | -20.6 | 69% | -22 | 76.99 | 1028.0 | ||||||
| 20 | 00:51 | W 11 | 16.09 | Fair | CLR | -16.1 | -21.1 | 66% | -22 | 76.96 | 1027.9 | ||||||
| 19 | 23:51 | W 9 | 16.09 | A Few Clouds | FEW100 | -16.1 | -21.7 | -15 | -16.1 | 62% | -22 | 76.99 | 1028.1 | ||||
| 19 | 22:51 | W 11 | 16.09 | Mostly Cloudy | BKN100 | -15.6 | -21.7 | 60% | -22 | 76.99 | 1028.2 | ||||||
| 19 | 21:51 | W 22 G 37 | 16.09 | Mostly Cloudy | BKN095 | -15 | -21.7 | 57% | -24 | 76.96 | 1027.9 | ||||||
| 19 | 20:51 | W 17 | 16.09 | Overcast | OVC100 | -15 | -21.1 | 60% | -23 | 76.94 | 1027.6 | ||||||
| 19 | 19:51 | W 17 G 30 | 16.09 | Mostly Cloudy | BKN110 | -15.6 | -21.7 | 60% | -23 | 76.94 | 1027.5 | ||||||
| 19 | 18:51 | W 19 | 16.09 | Mostly Cloudy | FEW120 BKN250 | -15.6 | -22.2 | 57% | -24 | 76.91 | 1027.0 | ||||||
| 19 | 17:51 | W 15 | 16.09 | A Few Clouds | FEW023 FEW250 | -15.6 | -22.2 | -14.4 | -16.7 | 57% | -23 | 76.86 | 1026.5 | ||||
| 19 | 16:51 | W 19 G 30 | 16.09 | Mostly Cloudy | FEW023 BKN250 | -15 | -22.8 | 52% | -23 | 76.86 | 1026.2 | ||||||
| 19 | 15:51 | W 26 G 39 | 16.09 | Partly Cloudy | FEW023 SCT250 | -14.4 | -22.8 | 49% | -24 | 76.84 | 1026.0 | ||||||
| 19 | 14:51 | W 24 G 41 | 16.09 | Partly Cloudy | SCT023 | -15 | -22.2 | 54% | -24 | 76.81 | 1025.4 | ||||||
| 19 | 13:51 | W 28 G 44 | 16.09 | A Few Clouds | FEW024 | -15.6 | -22.8 | 54% | -26 | 76.76 | 1024.8 | ||||||
| 19 | 12:51 | W 28 G 44 | 16.09 | A Few Clouds | FEW022 | -16.1 | -23.3 | 54% | -26 | 76.76 | 1024.7 | ||||||
| 19 | 11:51 | W 22 G 44 | 16.09 | A Few Clouds | FEW023 | -16.7 | -23.9 | -16.1 | -18.3 | 54% | -26 | 76.73 | 1024.4 | ||||
| 19 | 10:51 | W 31 G 52 | 16.09 | A Few Clouds | FEW023 | -17.2 | -24.4 | 54% | -28 | 76.71 | 1024.1 | ||||||
| 19 | 09:51 | W 39 G 61 | 16.09 | A Few Clouds and Breezy | FEW022 | -17.8 | -25 | 54% | -30 | 76.63 | 1023.0 | ||||||
| 19 | 08:51 | W 30 G 48 | 16.09 | A Few Clouds | FEW022 | -18.3 | -25 | 56% | -30 | 76.53 | 1021.8 | ||||||
| 19 | 07:51 | W 22 G 46 | 16.09 | A Few Clouds | FEW018 | -18.3 | -24.4 | 59% | -28 | 76.43 | 1020.4 | ||||||
| 19 | 06:51 | W 28 G 48 | 14.48 | Mostly Cloudy | BKN018 | -17.2 | -22.2 | 65% | -28 | 76.33 | 1018.9 | ||||||
| 19 | 05:51 | W 30 G 46 | 12.87 | Mostly Cloudy | BKN019 BKN050 | -16.1 | -20.6 | -7.8 | -16.1 | 69% | -27 | 76.17 | 1017.2 | ||||
| 19 | 04:51 | W 28 G 48 | 6.44 | Light Snow Blowing Snow | BKN016 BKN024 BKN050 | -13.9 | -18.3 | 70% | -24 | 76.07 | 1015.5 | ||||||
| 19 | 03:51 | W 24 G 39 | 11.27 | Light Snow | SCT020 BKN033 BKN065 | -12.2 | -16.7 | 69% | -21 | 75.95 | 1013.9 | ||||||
| 19 | 02:51 | W 17 | 4.83 | Light Snow | BKN020 BKN038 OVC070 | -10.6 | -13.9 | 77% | -17 | 75.9 | 1012.9 | ||||||
| 19 | 01:51 | NW 35 G 48 | 2.82 | Light Snow Blowing Snow and Breezy | BKN014 BKN025 OVC040 | -9.4 | -13.3 | 74% | -19 | 75.82 | 1011.9 | ||||||
| 19 | 00:51 | W 15 G 30 | 4.83 | Light Snow | FEW018 BKN022 OVC034 | -7.8 | -11.7 | 74% | -13 | 75.72 | 1010.6 | ||||||
| 18 | 23:51 | W 19 | 4.02 | Light Snow Fog/Mist | SCT018 BKN025 OVC034 | -7.8 | -10.6 | -7.8 | -8.9 | 81% | -14 | 75.72 | 1010.5 | 0.03 | |||
| 18 | 22:51 | SW 19 G 33 | 8.05 | Light Snow | SCT024 BKN030 OVC039 | -7.8 | -11.1 | 77% | -14 | 75.74 | 1010.9 | ||||||
| 18 | 21:51 | SW 17 G 31 | 9.66 | Light Snow | SCT029 OVC038 | -7.8 | -12.2 | 71% | -14 | 75.74 | 1011.2 | ||||||
| 18 | 20:51 | SW 17 | 14.48 | Light Snow | FEW041 BKN075 OVC090 | -8.3 | -12.2 | 74% | -15 | 75.79 | 1011.8 | 0.03 | |||||
| 18 | 19:51 | SW 19 | 14.48 | Light Snow | FEW017 BKN037 OVC090 | -8.9 | -12.2 | 77% | -16 | 75.9 | 1013.1 | 0.03 | |||||
| 18 | 18:51 | SW 13 | 3.22 | Light Snow | SCT016 OVC030 | -8.9 | -11.7 | 80% | -14 | 75.92 | 1013.3 | ||||||
| 18 | 17:51 | SW 17 | 4.83 | Light Snow | OVC045 | -8.9 | -12.2 | -8.3 | -10 | 77% | -15 | 75.9 | 1013.1 | ||||
| 18 | 16:51 | SW 15 | 4.83 | Light Snow | OVC043 | -8.9 | -13.3 | 71% | -15 | 75.9 | 1013.3 | ||||||
| 18 | 15:51 | SW 19 | 6.44 | Light Snow | BKN055 OVC070 | -8.3 | -15.6 | 56% | -15 | 75.95 | 1013.7 | ||||||
| 18 | 14:51 | SW 17 | 16.09 | Overcast | SCT031 OVC100 | -8.3 | -15.6 | 56% | -15 | 75.97 | 1014.0 | ||||||
| 18 | 13:51 | SW 22 G 35 | 16.09 | Mostly Cloudy | SCT030 BKN100 BKN250 | -8.9 | -16.1 | 56% | -16 | 76 | 1014.5 | ||||||
| 18 | 12:51 | SW 15 G 31 | 16.09 | Mostly Cloudy | FEW028 BKN110 BKN250 | -9.4 | -16.7 | 56% | -15 | 76 | 1014.5 | ||||||
| 18 | 11:51 | SW 19 G 33 | 16.09 | Mostly Cloudy | SCT024 SCT150 BKN250 | -10 | -16.7 | -10 | -14.4 | 58% | -17 | 76.07 | 1015.6 | ||||
| 18 | 10:51 | SW 26 G 43 | 16.09 | Mostly Cloudy | FEW020 FEW150 BKN250 | -11.7 | -18.3 | 58% | -20 | 76.23 | 1017.4 | ||||||
| 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) | |||||||||||||||