Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Metric (Imperial)
Date Time (cdt) 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.
17 19:51 SW 19 16.09 Overcast BKN110 OVC250 -5.6 -14.4 50% -12 76.63 1022.9
17 18:51 SW 17 16.09 Overcast BKN120 OVC250 -5.6 -15.6 -4.4 -6.1 46% -11 76.63 1022.8
17 17:51 S 17 16.09 Overcast OVC250 -5.6 -15.6 46% -11 76.63 1022.8
17 16:51 SW 9 G 28 16.09 Overcast OVC250 -5.6 -16.1 44% -9 76.58 1022.1
17 15:51 SW 15 16.09 Overcast OVC250 -5.6 -17.8 38% -11 76.61 1022.4
17 14:51 W 22 G 35 16.09 Mostly Cloudy FEW040 BKN250 -5.6 -17.8 38% -12 76.66 1023.0
17 13:51 W 19 16.09 Mostly Cloudy FEW050 BKN250 -5.6 -17.2 40% -12 76.66 1023.2
17 12:51 NW 17 16.09 Partly Cloudy FEW045 SCT250 -5.6 -16.1 -5.6 -10 44% -11 76.66 1023.1
17 11:51 W 17 16.09 A Few Clouds FEW040 -6.7 -16.7 45% -13 76.63 1022.7
17 10:51 Vrbl 7 16.09 A Few Clouds FEW034 -7.8 -16.7 49% -11 76.61 1022.4
17 09:51 Vrbl 9 16.09 A Few Clouds FEW030 -8.3 -16.1 54% -12 76.56 1021.9
17 08:51 NW 17 16.09 A Few Clouds FEW030 -9.4 -15.6 61% -16 76.5 1021.1
17 07:51 NW 17 16.09 A Few Clouds FEW030 -10 -15.6 64% -17 76.45 1020.5
17 06:51 NW 15 16.09 A Few Clouds FEW030 -10 -16.7 -7.8 -10 58% -16 76.38 1019.3
17 05:51 NW 17 G 31 16.09 A Few Clouds FEW065 -9.4 -17.2 53% -16 76.33 1018.7
17 04:51 NW 20 G 33 16.09 Mostly Cloudy BKN070 -8.9 -17.8 49% -16 76.25 1017.7
17 03:51 NW 24 G 37 16.09 Mostly Cloudy BKN065 -8.3 -18.3 45% -16 76.23 1017.2
17 02:51 NW 19 16.09 Mostly Cloudy BKN060 -8.3 -18.3 45% -15 76.17 1016.5
17 01:51 NW 24 G 35 16.09 Partly Cloudy SCT055 SCT080 -8.3 -18.3 45% -16 76.1 1015.7
17 00:51 NW 26 G 39 16.09 Mostly Cloudy BKN045 -7.8 -17.2 -3.9 -7.8 47% -16 76.07 1015.4
16 23:51 NW 28 G 39 16.09 Mostly Cloudy BKN037 -7.2 -15.6 52% -15 76.05 1014.8
16 22:51 NW 28 G 39 16.09 Mostly Cloudy BKN039 -6.1 -13.3 57% -14 76 1014.0
16 21:51 W 26 G 39 16.09 Mostly Cloudy BKN042 -6.1 -12.8 59% -13 75.95 1013.3
16 20:51 W 20 G 43 16.09 Mostly Cloudy FEW034 BKN042 -5.6 -12.2 60% -12 75.9 1012.8
16 19:51 W 26 G 52 16.09 Overcast SCT033 OVC042 -5 -12.2 57% -12 75.79 1011.5
16 18:51 W 33 G 56 16.09 Overcast and Breezy SCT029 BKN036 OVC045 -3.9 -10.6 -2.2 -3.9 60% -11 75.72 1010.3
16 17:51 NW 35 G 57 14.48 Light Snow and Breezy FEW028 BKN037 BKN045 -2.8 -10 58% -10 75.62 1008.9
16 16:51 NW 35 G 56 14.48 Light Snow and Breezy SCT027 BKN034 BKN043 -2.2 -9.4 58% -9 75.57 1008.1
16 15:51 NW 30 G 57 11.27 Light Snow SCT028 BKN036 OVC044 -2.8 -8.3 66% -10 75.49 1007.1
16 14:51 NW 44 G 61 12.87 Light Snow and Windy SCT027 BKN035 OVC044 -2.8 -9.4 61% -11 75.39 1005.8
16 13:51 NW 43 G 63 11.27 Light Snow and Windy FEW029 BKN035 OVC048 -3.3 -10.6 57% -12 75.31 1004.9
16 12:51 NW 39 G 63 11.27 Light Snow and Breezy BKN030 BKN041 OVC055 -3.3 -10 -3.3 -5 60% -11 75.26 1004.2
16 11:51 NW 31 G 52 9.66 Light Snow BKN029 BKN042 OVC050 -3.3 -9.4 63% -10 75.18 1003.3
16 10:51 NW 31 G 54 6.44 Light Snow FEW019 BKN026 OVC043 -3.9 -8.9 69% -11 75.16 1002.7
16 09:51 W 26 G 44 4.02 Light Snow BKN023 BKN033 OVC047 -3.9 -8.3 72% -11 75.08 1001.8
16 08:51 NW 30 G 50 4.83 Light Snow BKN024 BKN031 OVC055 -4.4 -8.3 75% -12 75.01 1000.8
16 07:51 NW 26 G 54 6.44 Light Snow BKN023 BKN046 OVC060 -5 -8.3 78% -12 74.88 999.2
16 06:51 NW 28 G 41 1.61 Light Snow Blowing Snow SCT011 BKN015 OVC024 -4.4 -6.1 -0.6 -4.4 88% -11 74.75 997.1 0.18
16 05:51 NW 28 G 41 2.01 Light Snow Fog/Mist SCT018 OVC023 -3.9 -6.1 85% -11 74.6 995.2
16 04:51 NW 30 G 43 3.22 Light Snow Fog/Mist FEW012 OVC022 -3.3 -5 88% -10 74.5 993.7 0.03
16 03:51 NW 20 G 44 2.01 Light Snow Fog/Mist OVC019 -2.8 -4.4 89% -8 74.45 992.6 0.03 0.15
16 02:51 W 33 G 50 1.21 Light Snow Fog/Mist and Breezy VV009 -2.2 -3.3 92% -9 74.45 992.8 0.1
16 00:51 N 31 G 46 3.22 Light Snow Fog/Mist FEW008 BKN012 OVC021 -0.6 -2.2 3.3 -1.1 89% -7 74.3 990.6 1.52
15 23:51 N 31 G 46 2.41 Light Snow Fog/Mist SCT008 OVC013 -0.6 -1.7 92% -7 74.35 991.3 0.08
15 22:51 N 37 G 46 2.41 Light Snow Fog/Mist and Breezy OVC010 0 -1.1 92% -7 74.37 991.9
15 21:51 N 31 G 43 16.09 Light Rain OVC010 1.1 -0.6 89% -5 74.4 991.9 0.28 1.45
15 20:51 N 33 6.44 Rain Fog/Mist and Breezy BKN009 OVC028 1.1 0 92% -5 74.4 992.2 0.71
15 19:51 N 33 6.44 Thunderstorm Rain Fog/Mist and Breezy BKN008 OVC013CB 1.7 0 89% -4 74.47 993.1 0.46
15 18:51 N 33 G 52 4.83 Rain Fog/Mist and Breezy BKN007 OVC011 3.3 1.7 17.2 2.2 89% -2 74.5 993.7 0.74 2.64
15 17:51 N 24 G 48 1.61 Thunderstorm Heavy Rain Fog/Mist BKN005 OVC010CB 2.2 1.1 93% -3 74.57 994.6 1.37
15 16:51 N 30 2.41 Heavy Rain Fog/Mist BKN017 OVC023 3.9 3.3 96% -1 74.42 992.6 0.46
15 15:51 S 28 G 54 16.09 Overcast BKN030 OVC036 16.7 11.7 73% 74.27 990.3 0.03 0.08
15 14:51 S 31 G 56 14.48 Light Rain SCT026 BKN037 OVC048 15.6 11.7 78% 74.3 990.8 0.03
15 13:51 S 28 G 50 14.48 Light Rain SCT026 OVC037 15 11.1 78% 74.42 992.2 0.03
15 12:51 S 28 G 48 16.09 Overcast FEW027 BKN036 OVC044 14.4 10.6 14.4 3.3 78% 74.5 993.4 0.3
15 11:51 S 26 G 37 16.09 Overcast BKN032 OVC075 12.2 10 87% 74.6 994.8 0.3
15 10:51 S 22 G 46 16.09 Light Rain OVC080 12.8 6.7 67% 74.65 995.4
15 09:51 S 24 G 41 16.09 Overcast FEW060 SCT140 OVC250 11.7 2.8 55% 74.7 996.3
15 08:51 SE 13 16.09 Overcast FEW100 BKN150 OVC250 7.2 -1.1 56% 5 74.8 997.6
15 07:51 E 11 16.09 Overcast FEW100 BKN140 OVC250 4.4 -2.2 63% 2 74.98 1000.0
15 06:51 E 11 16.09 Mostly Cloudy SCT150 BKN250 3.3 -2.8 3.9 2.2 65% 1 75.08 1001.7
15 05:51 NE 11 16.09 Partly Cloudy SCT200 3.3 -2.8 65% 1 75.23 1003.7
15 04:51 E 17 16.09 Mostly Cloudy BKN110 3.3 -2.8 65% -0 75.36 1005.3
15 03:51 E 15 16.09 Mostly Cloudy BKN110 2.8 -2.8 67% -1 75.51 1007.4
15 02:51 E 22 16.09 Overcast OVC085 2.8 -3.3 65% -2 75.64 1009.1
15 01:51 NE 17 16.09 Overcast OVC080 2.2 -2.8 70% -2 75.79 1011.0
15 00:51 E 19 16.09 Overcast OVC075 2.2 -3.3 2.2 0.6 67% -2 75.87 1012.2
14 23:51 E 17 16.09 Overcast OVC070 2.2 -3.3 67% -2 75.95 1013.2
14 22:51 E 19 16.09 Overcast OVC075 1.7 -3.3 70% -2 76.1 1015.2
14 21:51 E 24 16.09 Overcast BKN060 OVC080 1.7 -2.8 72% -3 76.17 1016.3
14 20:51 E 24 16.09 Overcast FEW010 OVC060 1.7 -2.8 72% -3 76.25 1017.2
Date Time (cdt) 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)