Weather observations for the past three days for
Chicago, Chicago-O'Hare International Airport
Imperial (Metric)
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.
18 07:51 S 16 G 22 10.00 Light Snow FEW015 BKN041 OVC060 25 19 78% 13 30.02 1017.6
18 06:51 S 13 G 26 10.00 Overcast OVC014 24.1 19 24.1 23 81% 13 30.02 1017.6 0.01
18 05:51 S 10 7.00 Light Snow BKN015 OVC039 24.1 19 81% 15 30.03 1017.9
18 04:51 S 14 G 21 7.00 Light Snow BKN015 BKN033 OVC042 24.1 19 81% 13 30.04 1018.2
18 03:51 S 12 4.00 Light Snow Fog/Mist FEW015 BKN037 OVC060 23 19 85% 13 30.06 1018.7 0.01
18 02:51 S 9 6.00 Light Snow Fog/Mist SCT013 BKN049 OVC070 23 19 85% 14 30.08 1019.6 0.01
18 01:51 S 6 2.00 Light Snow Fog/Mist FEW016 OVC028 23 19 85% 17 30.11 1020.4
18 00:51 S 10 3.00 Light Snow OVC030 23 17.1 24.1 21.9 78% 13 30.13 1021.1
17 23:51 S 8 10.00 Overcast BKN060 OVC075 24.1 12 60% 16 30.14 1021.7
17 22:51 S 10 10.00 Overcast BKN070 OVC160 23 10 57% 13 30.16 1022.4
17 21:51 S 6 10.00 Overcast OVC095 23 9 55% 17 30.16 1022.4
17 20:51 SW 7 10.00 Overcast SCT095 BKN130 BKN200 OVC250 21.9 7 52% 14 30.16 1022.4
17 19:51 SW 12 10.00 Overcast BKN110 OVC250 21.9 6.1 50% 11 30.17 1022.9
17 18:51 SW 10 10.00 Overcast BKN120 OVC250 21.9 3.9 24.1 21 46% 12 30.17 1022.8
17 17:51 S 10 10.00 Overcast OVC250 21.9 3.9 46% 12 30.17 1022.8
17 16:51 SW 6 G 17 10.00 Overcast OVC250 21.9 3 44% 15 30.15 1022.1
17 15:51 SW 9 10.00 Overcast OVC250 21.9 -0 38% 13 30.16 1022.4
17 14:51 W 14 G 22 10.00 Mostly Cloudy FEW040 BKN250 21.9 -0 38% 10 30.18 1023.0
17 13:51 W 12 10.00 Mostly Cloudy FEW050 BKN250 21.9 1 40% 11 30.18 1023.2
17 12:51 NW 10 10.00 Partly Cloudy FEW045 SCT250 21.9 3 21.9 14 44% 12 30.18 1023.1
17 11:51 W 10 10.00 A Few Clouds FEW040 19.9 1.9 45% 9 30.17 1022.7
17 10:51 Vrbl 5 10.00 A Few Clouds FEW034 18 1.9 49% 12 30.16 1022.4
17 09:51 Vrbl 6 10.00 A Few Clouds FEW030 17.1 3 54% 10 30.14 1021.9
17 08:51 NW 10 10.00 A Few Clouds FEW030 15.1 3.9 61% 3 30.12 1021.1
17 07:51 NW 10 10.00 A Few Clouds FEW030 14 3.9 64% 2 30.1 1020.5
17 06:51 NW 9 10.00 A Few Clouds FEW030 14 1.9 18 14 58% 3 30.07 1019.3
17 05:51 NW 10 G 20 10.00 A Few Clouds FEW065 15.1 1 53% 3 30.05 1018.7
17 04:51 NW 13 G 21 10.00 Mostly Cloudy BKN070 16 -0 49% 3 30.02 1017.7
17 03:51 NW 15 G 23 10.00 Mostly Cloudy BKN065 17.1 -0.9 45% 3 30.01 1017.2
17 02:51 NW 12 10.00 Mostly Cloudy BKN060 17.1 -0.9 45% 5 29.99 1016.5
17 01:51 NW 15 G 22 10.00 Partly Cloudy SCT055 SCT080 17.1 -0.9 45% 3 29.96 1015.7
17 00:51 NW 16 G 24 10.00 Mostly Cloudy BKN045 18 1 25 18 47% 4 29.95 1015.4
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
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)