Weather observations for the past three days for
Chicago/Waukegan Regional 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.
18 05:51 S 19 G 33 16.09 Overcast FEW017 BKN032 OVC060 -4.4 -7.2 81% -10 76.25 1018.3
18 04:51 S 17 G 39 16.09 Overcast BKN036 OVC047 -5 -7.2 85% -10 76.25 1018.5
18 03:51 S 17 12.87 Light Snow SCT015 BKN050 OVC090 -5 -7.2 85% -10 76.3 1019.3
18 02:51 S 13 16.09 Overcast SCT018 BKN070 OVC090 -5.6 -7.8 85% -10 76.38 1020.2
18 01:51 S 15 12.87 Overcast OVC085 -5.6 -8.9 78% -11 76.45 1021.1
18 00:51 S 17 16.09 Overcast OVC060 -5.6 -11.1 -5.6 -7.2 66% -11 76.5 1021.9
17 23:51 S 11 16.09 Overcast OVC070 -6.1 -12.2 62% -10 76.53 1022.3
17 22:51 SW 11 16.09 Overcast OVC100 -6.1 -12.8 59% -10 76.61 1023.2
17 21:51 SW 9 16.09 Overcast OVC100 -6.7 -13.9 57% -11 76.58 1023.2
17 20:51 SW 15 16.09 Overcast OVC100 -7.2 -13.9 59% -13 76.61 1023.4
17 19:51 SW 19 16.09 Overcast OVC110 -6.7 -15.6 50% -13 76.61 1023.5
17 18:51 SW 17 16.09 Mostly Cloudy BKN120 -6.7 -16.1 -6.1 -6.7 48% -13 76.61 1023.5
17 17:51 SW 19 16.09 Fair CLR -6.1 -15.6 47% -12 76.61 1023.4
17 16:51 SW 11 16.09 Fair CLR -6.1 -16.7 43% -10 76.53 1022.6
17 15:51 W 19 G 30 16.09 Fair CLR -6.1 -16.1 45% -12 76.56 1022.9
17 14:51 NW 15 16.09 Fair CLR -6.1 -16.7 43% -11 76.61 1023.5
17 13:51 NW 13 16.09 A Few Clouds FEW030 -6.1 -17.8 39% -11 76.63 1023.7
17 12:51 NW 19 16.09 A Few Clouds FEW035 -6.7 -18.3 -6.7 -11.7 40% -13 76.63 1023.6
17 11:51 NW 17 G 31 16.09 A Few Clouds FEW040 -7.8 -17.8 45% -14 76.61 1023.4
17 10:51 NW 11 16.09 Fair CLR -8.3 -16.7 51% -13 76.58 1023.1
17 09:51 NW 15 16.09 Fair CLR -9.4 -16.1 59% -15 76.53 1022.4
17 08:51 NW 9 16.09 Fair CLR -10 -16.1 61% -14 76.48 1021.8
17 07:51 NW 11 16.09 Fair CLR -11.1 -16.7 64% -16 76.43 1021.2
17 06:51 NW 9 16.09 Fair CLR -11.7 -17.2 -8.9 -11.7 64% -16 76.35 1020.0
17 05:51 NW 11 16.09 Fair CLR -11.7 -17.2 64% -17 76.3 1019.3
17 04:51 NW 13 16.09 Fair CLR -11.1 -17.2 61% -17 76.23 1018.4
17 03:51 NW 13 16.09 Fair CLR -10.6 -17.8 56% -16 76.17 1017.6
17 02:51 NW 11 16.09 Fair CLR -10.6 -17.8 56% -16 76.15 1017.3
17 01:51 NW 11 16.09 Fair CLR -10 -17.2 56% -15 76.07 1016.2
17 00:51 NW 9 16.09 A Few Clouds FEW044 -8.9 -15.6 -4.4 -8.9 59% -13 76.05 1015.6
16 23:51 NW 17 G 33 16.09 Mostly Cloudy BKN040 -8.3 -16.1 54% -15 76.02 1015.2
16 22:51 NW 19 G 41 16.09 Fair CLR -8.3 -16.1 54% -15 75.97 1014.6
16 21:51 NW 22 G 43 16.09 Fair CLR -7.2 -14.4 57% -14 75.92 1014.0
16 20:51 NW 15 G 30 16.09 Fair CLR -6.7 -13.9 57% -12 75.87 1013.2
16 19:51 NW 24 G 56 16.09 Fair CLR -5.6 -13.3 55% -12 75.77 1011.9
16 18:51 NW 35 G 57 16.09 Overcast and Breezy BKN039 OVC120 -4.4 -12.2 -3.3 -4.4 55% -12 75.67 1010.4
16 17:51 NW 30 G 63 16.09 Overcast OVC040 -3.9 -11.7 55% -11 75.59 1009.2
16 16:51 NW 20 G 44 16.09 Overcast BKN029 OVC036 -3.3 -8.9 66% -9 75.49 1008.0
16 15:51 NW 33 G 57 14.48 Overcast and Breezy BKN029 OVC043 -3.3 -10 60% -11 75.44 1007.1
16 14:51 NW 26 G 57 11.27 Light Snow SCT026 OVC035 -3.9 -8.9 69% -11 75.34 1006.0
16 13:51 NW 17 G 52 11.27 Overcast FEW023 BKN029 OVC037 -3.3 -9.4 63% -8 75.26 1004.9
16 12:51 NW 20 G 59 11.27 Light Snow SCT028 BKN035 OVC046 -3.9 -9.4 -3.9 -5.6 66% -10 75.18 1003.7
16 11:51 NW 24 G 52 6.44 Light Snow FEW020 SCT027 OVC035 -4.4 -8.3 75% -11 75.13 1003.0
16 10:51 NW 19 G 56 2.82 Light Snow FEW016 BKN028 OVC038 -4.4 -7.8 77% -10 75.08 1002.3
16 09:51 NW 15 G 57 4.02 Light Snow FEW019 BKN030 OVC039 -5 -8.3 78% -10 75.01 1001.5
16 08:51 NW 26 G 43 4.83 Light Snow FEW019 BKN031 OVC050 -5.6 -8.3 82% -13 74.93 1000.4
16 07:51 NW 20 G 43 3.22 Light Snow Fog/Mist BKN041 OVC055 -5.6 -7.8 85% -12 74.8 998.6
16 06:51 NW 31 G 57 1.21 Heavy Snow Fog/Mist VV008 -5 -6.7 -1.1 -5 88% -13 74.65 996.5 0.23
16 05:51 NW 17 G 48 2.01 Heavy Snow Fog/Mist OVC013 -4.4 -6.7 84% -10 74.52 994.9 0.03
16 04:51 NW 30 G 50 4.83 Light Snow Fog/Mist BKN015 OVC028 -3.9 -5.6 88% -11 74.5 994.2
16 03:51 NW 19 G 39 1.61 Light Snow Fog/Mist VV008 -3.3 -4.4 92% -9 74.42 993.4 0.13 0.2
16 02:51 W 22 G 33 0.80 Snow Freezing Fog VV006 -2.2 -2.8 96% -8 74.4 992.9 0.05
16 01:51 N 26 G 46 1.61 Light Snow Fog/Mist OVC009 -1.7 -2.8 92% -8 74.24 990.4 0.03
16 00:51 N 41 G 72 2.41 Light Snow Fog/Mist and Breezy OVC010 -1.1 -2.8 1.1 -1.1 88% -8 74.17 989.4 0.1 1.4
15 23:51 N 28 G 59 4.02 Light Snow Fog/Mist SCT010 OVC014 -0.6 -2.2 89% -7 74.35 992.0 0.15
15 22:51 N 35 G 67 2.82 Light Snow Fog/Mist and Breezy BKN010 OVC015 -0.6 -1.7 92% -7 74.35 992.0 0.03
15 21:51 N 26 G 56 9.66 Light Rain Fog/Mist OVC009 0.6 -0.6 92% -5 74.45 993.4 0.33 1.12
15 20:51 N 33 G 57 9.66 Rain Fog/Mist and Breezy OVC010 0.6 -0.6 92% -6 74.47 993.6 0.53
15 18:51 N 24 G 56 115.87 Rain BKN009 OVC046 1.1 0 13.3 1.1 92% -4 74.5 993.9 0.51 2.87
15 17:51 N 17 G 35 4.02 Thunderstorm in Vicinity Rain Fog/Mist OVC006 1.1 0.6 97% -3 74.57 995.2 0.33
15 16:51 N 20 G 35 4.02 Light Rain Fog/Mist OVC005 1.7 1.1 96% -3 74.5 993.9 0.91
15 15:51 N 26 G 43 4.83 Thunderstorm in Vicinity Rain Fog/Mist OVC006 1.7 1.1 96% -3 74.55 994.7 0.66 1.12
15 14:51 N 28 G 41 3.22 Rain Fog/Mist SCT003 OVC008 4.4 3.9 97% -0 74.4 992.5 0.43
15 13:51 S 22 G 37 11.27 Light Rain BKN022 BKN027 OVC035 12.8 11.1 90% 74.4 992.3 0.03
15 12:51 Calm 16.09 Light Rain BKN036 OVC070 8.9 7.8 8.9 2.2 93% 74.47 993.5 0.03 0.23
15 11:51 SE 9 14.48 Light Rain FEW055 BKN075 OVC090 4.4 3.3 93% 2 74.55 994.8 0.2
15 10:51 SE 13 16.09 Light Rain FEW065 OVC090 4.4 1.1 79% 2 74.7 996.7
15 09:51 E 15 16.09 Fair CLR 4.4 1.1 79% 1 74.78 997.8
15 08:51 E 26 G 37 16.09 Fair CLR 3.9 0 76% -1 74.85 998.8
15 07:51 E 22 G 35 16.09 Fair CLR 2.8 -1.1 76% -2 75.06 1001.6
15 06:51 E 22 16.09 Fair CLR 2.2 -0.6 2.2 1.7 82% -2 75.16 1002.9 0.08
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)