Weather observations for the past three days for
Chicago/Waukegan Regional 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 21:51 Calm 10.00 Fair CLR 33.1 27 78% 30.05 1018.8
18 20:51 NW 5 10.00 Fair CLR 36 26.1 67% 33 30.05 1018.9
18 19:51 NW 3 10.00 Fair CLR 36 27 70% 30.04 1018.5
18 18:51 W 6 10.00 Fair CLR 37.9 27 41 34 65% 34 30.02 1017.7
18 17:51 W 9 10.00 Fair CLR 41 27 57% 36 29.99 1016.8
18 16:51 W 10 10.00 Fair CLR 39.9 28 63% 34 29.96 1015.7
18 15:51 W 8 10.00 Overcast OVC037 39 26.1 60% 34 29.97 1016.2
18 14:51 SW 12 10.00 Overcast OVC039 37.9 25 60% 31 29.96 1015.9
18 13:51 SW 10 10.00 Overcast OVC043 36 25 64% 29 29.97 1016.1
18 12:51 SW 12 10.00 Overcast OVC047 34 23 34 24.1 64% 26 29.99 1016.9
18 11:51 S 15 G 24 10.00 Overcast OVC050 32 21.9 66% 22 29.99 1017.0
18 10:51 SW 15 10.00 Overcast OVC055 28.9 21.9 75% 18 30.01 1017.7
18 09:51 S 16 10.00 Overcast BKN028 OVC055 27 21 78% 16 30.01 1017.9
18 08:51 S 14 6.00 Fog/Mist FEW036 OVC047 25 21 85% 14 30.01 1018.1
18 07:51 S 14 10.00 Overcast OVC013 25 19.9 81% 14 30.01 1017.9
18 06:51 S 13 10.00 Overcast FEW014 BKN037 OVC060 24.1 19.9 24.1 21.9 84% 13 30.01 1018.1
18 05:51 S 12 G 21 10.00 Overcast FEW017 BKN032 OVC060 24.1 19 81% 14 30.02 1018.3
18 04:51 S 10 G 24 10.00 Overcast BKN036 OVC047 23 19 85% 13 30.02 1018.5
18 03:51 S 10 8.00 Light Snow SCT015 BKN050 OVC090 23 19 85% 13 30.04 1019.3
18 02:51 S 8 10.00 Overcast SCT018 BKN070 OVC090 21.9 18 85% 13 30.07 1020.2
18 01:51 S 9 8.00 Overcast OVC085 21.9 16 78% 13 30.1 1021.1
18 00:51 S 10 10.00 Overcast OVC060 21.9 12 21.9 19 66% 12 30.12 1021.9
17 23:51 S 7 10.00 Overcast OVC070 21 10 62% 13 30.13 1022.3
17 22:51 SW 7 10.00 Overcast OVC100 21 9 59% 13 30.16 1023.2
17 21:51 SW 6 10.00 Overcast OVC100 19.9 7 57% 13 30.15 1023.2
17 20:51 SW 9 10.00 Overcast OVC100 19 7 59% 9 30.16 1023.4
17 19:51 SW 12 10.00 Overcast OVC110 19.9 3.9 50% 9 30.16 1023.5
17 18:51 SW 10 10.00 Mostly Cloudy BKN120 19.9 3 21 19.9 48% 9 30.16 1023.5
17 17:51 SW 12 10.00 Fair CLR 21 3.9 47% 10 30.16 1023.4
17 16:51 SW 7 10.00 Fair CLR 21 1.9 43% 13 30.13 1022.6
17 15:51 W 12 G 18 10.00 Fair CLR 21 3 45% 10 30.14 1022.9
17 14:51 NW 9 10.00 Fair CLR 21 1.9 43% 11 30.16 1023.5
17 13:51 NW 8 10.00 A Few Clouds FEW030 21 -0 39% 12 30.17 1023.7
17 12:51 NW 12 10.00 A Few Clouds FEW035 19.9 -0.9 19.9 10.9 40% 9 30.17 1023.6
17 11:51 NW 10 G 20 10.00 A Few Clouds FEW040 18 -0 45% 7 30.16 1023.4
17 10:51 NW 7 10.00 Fair CLR 17.1 1.9 51% 8 30.15 1023.1
17 09:51 NW 9 10.00 Fair CLR 15.1 3 59% 4 30.13 1022.4
17 08:51 NW 6 10.00 Fair CLR 14 3 61% 6 30.11 1021.8
17 07:51 NW 7 10.00 Fair CLR 12 1.9 64% 2 30.09 1021.2
17 06:51 NW 6 10.00 Fair CLR 10.9 1 16 10.9 64% 2 30.06 1020.0
17 05:51 NW 7 10.00 Fair CLR 10.9 1 64% 1 30.04 1019.3
17 04:51 NW 8 10.00 Fair CLR 12 1 61% 1 30.01 1018.4
17 03:51 NW 8 10.00 Fair CLR 12.9 -0 56% 3 29.99 1017.6
17 02:51 NW 7 10.00 Fair CLR 12.9 -0 56% 4 29.98 1017.3
17 01:51 NW 7 10.00 Fair CLR 14 1 56% 5 29.95 1016.2
17 00:51 NW 6 10.00 A Few Clouds FEW044 16 3.9 24.1 16 59% 8 29.94 1015.6
16 23:51 NW 10 G 21 10.00 Mostly Cloudy BKN040 17.1 3 54% 6 29.93 1015.2
16 22:51 NW 12 G 25 10.00 Fair CLR 17.1 3 54% 5 29.91 1014.6
16 21:51 NW 14 G 26 10.00 Fair CLR 19 6.1 57% 6 29.89 1014.0
16 20:51 NW 9 G 18 10.00 Fair CLR 19.9 7 57% 10 29.87 1013.2
16 19:51 NW 15 G 35 10.00 Fair CLR 21.9 8.1 55% 10 29.83 1011.9
16 18:51 NW 22 G 36 10.00 Overcast and Breezy BKN039 OVC120 24.1 10 26.1 24.1 55% 10 29.79 1010.4
16 17:51 NW 18 G 39 10.00 Overcast OVC040 25 10.9 55% 12 29.76 1009.2
16 16:51 NW 13 G 28 10.00 Overcast BKN029 OVC036 26.1 16 66% 16 29.72 1008.0
16 15:51 NW 21 G 36 9.00 Overcast and Breezy BKN029 OVC043 26.1 14 60% 13 29.7 1007.1
16 14:51 NW 16 G 36 7.00 Light Snow SCT026 OVC035 25 16 69% 13 29.66 1006.0
16 13:51 NW 10 G 32 7.00 Overcast FEW023 BKN029 OVC037 26.1 15.1 63% 17 29.63 1004.9
16 12:51 NW 13 G 37 7.00 Light Snow SCT028 BKN035 OVC046 25 15.1 25 21.9 66% 14 29.6 1003.7
16 11:51 NW 15 G 32 4.00 Light Snow FEW020 SCT027 OVC035 24.1 17.1 75% 12 29.58 1003.0
16 10:51 NW 12 G 35 1.75 Light Snow FEW016 BKN028 OVC038 24.1 18 77% 14 29.56 1002.3
16 09:51 NW 9 G 36 2.50 Light Snow FEW019 BKN030 OVC039 23 17.1 78% 14 29.53 1001.5
16 08:51 NW 16 G 26 3.00 Light Snow FEW019 BKN031 OVC050 21.9 17.1 82% 9 29.5 1000.4
16 07:51 NW 13 G 26 2.00 Light Snow Fog/Mist BKN041 OVC055 21.9 18 85% 11 29.45 998.6
16 06:51 NW 20 G 36 0.75 Heavy Snow Fog/Mist VV008 23 19.9 30 23 88% 9 29.39 996.5 0.09
16 05:51 NW 10 G 30 1.25 Heavy Snow Fog/Mist OVC013 24.1 19.9 84% 15 29.34 994.9 0.01
16 04:51 NW 18 G 31 3.00 Light Snow Fog/Mist BKN015 OVC028 25 21.9 88% 12 29.33 994.2
16 03:51 NW 12 G 24 1.00 Light Snow Fog/Mist VV008 26.1 24.1 92% 16 29.3 993.4 0.05 0.08
16 02:51 W 14 G 21 0.50 Snow Freezing Fog VV006 28 27 96% 18 29.29 992.9 0.02
16 01:51 N 16 G 29 1.00 Light Snow Fog/Mist OVC009 28.9 27 92% 18 29.23 990.4 0.01
16 00:51 N 25 G 45 1.50 Light Snow Fog/Mist and Breezy OVC010 30 27 34 30 88% 17 29.2 989.4 0.04 0.55
15 23:51 N 17 G 37 2.50 Light Snow Fog/Mist SCT010 OVC014 30.9 28 89% 20 29.27 992.0 0.06
15 22:51 N 22 G 41 1.75 Light Snow Fog/Mist and Breezy BKN010 OVC015 30.9 28.9 92% 19 29.27 992.0 0.01
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)