Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
| Date | Time (cdt) | 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. | Min. | ||||||||||||||||
| 16 | 23:51 | NW 17 G 24 | 10.00 | Mostly Cloudy | BKN037 | 19 | 3.9 | 52% | 5 | 29.94 | 1014.8 | ||||||
| 16 | 22:51 | NW 17 G 24 | 10.00 | Mostly Cloudy | BKN039 | 21 | 8.1 | 57% | 8 | 29.92 | 1014.0 | ||||||
| 16 | 21:51 | W 16 G 24 | 10.00 | Mostly Cloudy | BKN042 | 21 | 9 | 59% | 8 | 29.9 | 1013.3 | ||||||
| 16 | 20:51 | W 13 G 26 | 10.00 | Mostly Cloudy | FEW034 BKN042 | 21.9 | 10 | 60% | 11 | 29.88 | 1012.8 | ||||||
| 16 | 19:51 | W 16 G 32 | 10.00 | Overcast | SCT033 OVC042 | 23 | 10 | 57% | 11 | 29.84 | 1011.5 | ||||||
| 16 | 18:51 | W 21 G 35 | 10.00 | Overcast and Breezy | SCT029 BKN036 OVC045 | 25 | 12.9 | 28 | 25 | 60% | 11 | 29.81 | 1010.3 | ||||
| 16 | 17:51 | NW 22 G 36 | 9.00 | Light Snow and Breezy | FEW028 BKN037 BKN045 | 27 | 14 | 58% | 14 | 29.77 | 1008.9 | ||||||
| 16 | 16:51 | NW 22 G 35 | 9.00 | Light Snow and Breezy | SCT027 BKN034 BKN043 | 28 | 15.1 | 58% | 15 | 29.75 | 1008.1 | ||||||
| 16 | 15:51 | NW 18 G 36 | 7.00 | Light Snow | SCT028 BKN036 OVC044 | 27 | 17.1 | 66% | 15 | 29.72 | 1007.1 | ||||||
| 16 | 14:51 | NW 28 G 38 | 8.00 | Light Snow and Windy | SCT027 BKN035 OVC044 | 27 | 15.1 | 61% | 12 | 29.68 | 1005.8 | ||||||
| 16 | 13:51 | NW 26 G 39 | 7.00 | Light Snow and Windy | FEW029 BKN035 OVC048 | 26.1 | 12.9 | 57% | 11 | 29.65 | 1004.9 | ||||||
| 16 | 12:51 | NW 24 G 39 | 7.00 | Light Snow and Breezy | BKN030 BKN041 OVC055 | 26.1 | 14 | 26.1 | 23 | 60% | 12 | 29.63 | 1004.2 | ||||
| 16 | 11:51 | NW 20 G 32 | 6.00 | Light Snow | BKN029 BKN042 OVC050 | 26.1 | 15.1 | 63% | 13 | 29.6 | 1003.3 | ||||||
| 16 | 10:51 | NW 20 G 33 | 4.00 | Light Snow | FEW019 BKN026 OVC043 | 25 | 16 | 69% | 12 | 29.59 | 1002.7 | ||||||
| 16 | 09:51 | W 16 G 28 | 2.50 | Light Snow | BKN023 BKN033 OVC047 | 25 | 17.1 | 72% | 13 | 29.56 | 1001.8 | ||||||
| 16 | 08:51 | NW 18 G 31 | 3.00 | Light Snow | BKN024 BKN031 OVC055 | 24.1 | 17.1 | 75% | 11 | 29.53 | 1000.8 | ||||||
| 16 | 07:51 | NW 16 G 33 | 4.00 | Light Snow | BKN023 BKN046 OVC060 | 23 | 17.1 | 78% | 11 | 29.48 | 999.2 | ||||||
| 16 | 06:51 | NW 17 G 25 | 1.00 | Light Snow Blowing Snow | SCT011 BKN015 OVC024 | 24.1 | 21 | 30.9 | 24.1 | 88% | 11 | 29.43 | 997.1 | 0.07 | |||
| 16 | 05:51 | NW 17 G 25 | 1.25 | Light Snow Fog/Mist | SCT018 OVC023 | 25 | 21 | 85% | 13 | 29.37 | 995.2 | ||||||
| 16 | 04:51 | NW 18 G 26 | 2.00 | Light Snow Fog/Mist | FEW012 OVC022 | 26.1 | 23 | 88% | 14 | 29.33 | 993.7 | 0.01 | |||||
| 16 | 03:51 | NW 13 G 28 | 1.25 | Light Snow Fog/Mist | OVC019 | 27 | 24.1 | 89% | 17 | 29.31 | 992.6 | 0.01 | 0.06 | ||||
| 16 | 02:51 | W 21 G 31 | 0.75 | Light Snow Fog/Mist and Breezy | VV009 | 28 | 26.1 | 92% | 15 | 29.31 | 992.8 | 0.04 | |||||
| 16 | 00:51 | N 20 G 29 | 2.00 | Light Snow Fog/Mist | FEW008 BKN012 OVC021 | 30.9 | 28 | 37.9 | 30 | 89% | 20 | 29.25 | 990.6 | 0.6 | |||
| 15 | 23:51 | N 20 G 29 | 1.50 | Light Snow Fog/Mist | SCT008 OVC013 | 30.9 | 28.9 | 92% | 20 | 29.27 | 991.3 | 0.03 | |||||
| 15 | 22:51 | N 23 G 29 | 1.50 | Light Snow Fog/Mist and Breezy | OVC010 | 32 | 30 | 92% | 20 | 29.28 | 991.9 | ||||||
| 15 | 21:51 | N 20 G 26 | 10.00 | Light Rain | OVC010 | 34 | 30.9 | 89% | 23 | 29.29 | 991.9 | 0.11 | 0.57 | ||||
| 15 | 20:51 | N 21 | 4.00 | Rain Fog/Mist and Breezy | BKN009 OVC028 | 34 | 32 | 92% | 23 | 29.29 | 992.2 | 0.28 | |||||
| 15 | 19:51 | N 21 | 4.00 | Thunderstorm Rain Fog/Mist and Breezy | BKN008 OVC013CB | 35.1 | 32 | 89% | 25 | 29.32 | 993.1 | 0.18 | |||||
| 15 | 18:51 | N 21 G 32 | 3.00 | Rain Fog/Mist and Breezy | BKN007 OVC011 | 37.9 | 35.1 | 63 | 36 | 89% | 28 | 29.33 | 993.7 | 0.29 | 1.04 | ||
| 15 | 17:51 | N 15 G 30 | 1.00 | Thunderstorm Heavy Rain Fog/Mist | BKN005 OVC010CB | 36 | 34 | 93% | 27 | 29.36 | 994.6 | 0.54 | |||||
| 15 | 16:51 | N 18 | 1.50 | Heavy Rain Fog/Mist | BKN017 OVC023 | 39 | 37.9 | 96% | 30 | 29.3 | 992.6 | 0.18 | |||||
| 15 | 15:51 | S 17 G 33 | 10.00 | Overcast | BKN030 OVC036 | 62.1 | 53.1 | 73% | 29.24 | 990.3 | 0.01 | 0.03 | |||||
| 15 | 14:51 | S 20 G 35 | 9.00 | Light Rain | SCT026 BKN037 OVC048 | 60.1 | 53.1 | 78% | 29.25 | 990.8 | 0.01 | ||||||
| 15 | 13:51 | S 17 G 31 | 9.00 | Light Rain | SCT026 OVC037 | 59 | 52 | 78% | 29.3 | 992.2 | 0.01 | ||||||
| 15 | 12:51 | S 17 G 30 | 10.00 | Overcast | FEW027 BKN036 OVC044 | 57.9 | 51.1 | 57.9 | 37.9 | 78% | 29.33 | 993.4 | 0.12 | ||||
| 15 | 11:51 | S 16 G 23 | 10.00 | Overcast | BKN032 OVC075 | 54 | 50 | 87% | 29.37 | 994.8 | 0.12 | ||||||
| 15 | 10:51 | S 14 G 29 | 10.00 | Light Rain | OVC080 | 55 | 44.1 | 67% | 29.39 | 995.4 | |||||||
| 15 | 09:51 | S 15 G 25 | 10.00 | Overcast | FEW060 SCT140 OVC250 | 53.1 | 37 | 55% | 29.41 | 996.3 | |||||||
| 15 | 08:51 | SE 8 | 10.00 | Overcast | FEW100 BKN150 OVC250 | 45 | 30 | 56% | 41 | 29.45 | 997.6 | ||||||
| 15 | 07:51 | E 7 | 10.00 | Overcast | FEW100 BKN140 OVC250 | 39.9 | 28 | 63% | 36 | 29.52 | 1000.0 | ||||||
| 15 | 06:51 | E 7 | 10.00 | Mostly Cloudy | SCT150 BKN250 | 37.9 | 27 | 39 | 36 | 65% | 33 | 29.56 | 1001.7 | ||||
| 15 | 05:51 | NE 7 | 10.00 | Partly Cloudy | SCT200 | 37.9 | 27 | 65% | 33 | 29.62 | 1003.7 | ||||||
| 15 | 04:51 | E 10 | 10.00 | Mostly Cloudy | BKN110 | 37.9 | 27 | 65% | 32 | 29.67 | 1005.3 | ||||||
| 15 | 03:51 | E 9 | 10.00 | Mostly Cloudy | BKN110 | 37 | 27 | 67% | 31 | 29.73 | 1007.4 | ||||||
| 15 | 02:51 | E 14 | 10.00 | Overcast | OVC085 | 37 | 26.1 | 65% | 29 | 29.78 | 1009.1 | ||||||
| 15 | 01:51 | NE 10 | 10.00 | Overcast | OVC080 | 36 | 27 | 70% | 29 | 29.84 | 1011.0 | ||||||
| 15 | 00:51 | E 12 | 10.00 | Overcast | OVC075 | 36 | 26.1 | 36 | 33.1 | 67% | 29 | 29.87 | 1012.2 | ||||
| 14 | 23:51 | E 10 | 10.00 | Overcast | OVC070 | 36 | 26.1 | 67% | 29 | 29.9 | 1013.2 | ||||||
| 14 | 22:51 | E 12 | 10.00 | Overcast | OVC075 | 35.1 | 26.1 | 70% | 28 | 29.96 | 1015.2 | ||||||
| 14 | 21:51 | E 15 | 10.00 | Overcast | BKN060 OVC080 | 35.1 | 27 | 72% | 26 | 29.99 | 1016.3 | ||||||
| 14 | 20:51 | E 15 | 10.00 | Overcast | FEW010 OVC060 | 35.1 | 27 | 72% | 26 | 30.02 | 1017.2 | ||||||
| 14 | 19:51 | E 13 | 10.00 | Overcast | SCT010 OVC065 | 33.1 | 28.9 | 85% | 25 | 30.02 | 1017.3 | ||||||
| 14 | 18:51 | E 15 G 21 | 10.00 | Overcast | OVC009 | 33.1 | 30 | 37 | 33.1 | 89% | 24 | 30.06 | 1018.6 | 0.01 | |||
| 14 | 17:51 | E 12 | 9.00 | Light Snow | BKN010 OVC014 | 33.1 | 28.9 | 85% | 25 | 30.08 | 1019.3 | ||||||
| 14 | 16:51 | E 9 | 3.00 | Light Snow Fog/Mist | SCT010 BKN016 OVC029 | 34 | 30 | 85% | 27 | 30.11 | 1020.3 | 0.01 | |||||
| 14 | 15:51 | E 12 | 7.00 | Light Snow | BKN016 OVC023 | 34 | 27 | 76% | 26 | 30.12 | 1020.7 | ||||||
| 14 | 14:51 | E 9 | 7.00 | Light Snow | SCT017 OVC028 | 35.1 | 27 | 72% | 29 | 30.14 | 1021.2 | ||||||
| 14 | 13:51 | E 7 | 9.00 | Light Snow | FEW032 BKN075 OVC085 | 36 | 21.9 | 57% | 31 | 30.16 | 1022.0 | ||||||
| 14 | 12:51 | E 9 | 10.00 | Overcast | FEW032 OVC080 | 36 | 21 | 36 | 28.9 | 55% | 30 | 30.18 | 1022.5 | ||||
| 14 | 11:51 | SE 10 | 10.00 | Overcast | FEW030 BKN080 OVC250 | 35.1 | 21 | 57% | 28 | 30.2 | 1023.3 | ||||||
| 14 | 10:51 | E 9 | 10.00 | Overcast | FEW030 SCT110 OVC250 | 36 | 19.9 | 52% | 30 | 30.2 | 1023.2 | ||||||
| 14 | 09:51 | E 10 | 10.00 | Overcast | FEW030 SCT100 BKN140 OVC250 | 34 | 19.9 | 56% | 27 | 30.19 | 1022.9 | ||||||
| 14 | 08:51 | E 6 | 10.00 | Mostly Cloudy | FEW030 SCT130 BKN170 BKN250 | 33.1 | 19.9 | 58% | 28 | 30.2 | 1023.3 | ||||||
| 14 | 07:51 | E 6 | 10.00 | Mostly Cloudy | SCT150 BKN180 BKN250 | 32 | 19 | 59% | 27 | 30.18 | 1022.5 | ||||||
| 14 | 06:51 | N 8 | 10.00 | Mostly Cloudy | SCT140 BKN250 | 28.9 | 18 | 33.1 | 28 | 63% | 22 | 30.17 | 1022.2 | ||||
| 14 | 05:51 | N 6 | 10.00 | Mostly Cloudy | SCT190 BKN250 | 28.9 | 18 | 63% | 23 | 30.15 | 1021.7 | ||||||
| 14 | 04:51 | N 6 | 10.00 | Mostly Cloudy | FEW120 BKN180 | 30 | 18 | 61% | 25 | 30.14 | 1021.1 | ||||||
| 14 | 03:51 | N 6 | 10.00 | Mostly Cloudy | FEW120 BKN180 | 30 | 19 | 64% | 25 | 30.12 | 1020.7 | ||||||
| 14 | 02:51 | NW 7 | 10.00 | Mostly Cloudy | FEW120 BKN200 | 30.9 | 18 | 59% | 25 | 30.14 | 1021.1 | ||||||
| 14 | 01:51 | NW 8 | 10.00 | Mostly Cloudy | FEW120 BKN200 | 32 | 18 | 56% | 25 | 30.12 | 1020.4 | ||||||
| 14 | 00:51 | NW 7 | 10.00 | Mostly Cloudy | FEW120 BKN180 BKN250 | 33.1 | 17.1 | 43 | 32 | 52% | 28 | 30.09 | 1019.5 | ||||
| Date | Time (cdt) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Air | Dwpt | Max. | Min. | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr |
| 6 hour | |||||||||||||||||
| Temperature (ºF) | Pressure | Precipitation (in) | |||||||||||||||