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.
08 16:51 S 24 G 37 10.00 Fair and Breezy CLR 70 39.9 34% 29.96 1014.7
08 15:51 SW 24 G 37 10.00 Fair and Breezy CLR 69.1 39.9 35% 30 1016.0
08 14:51 S 22 G 39 10.00 Fair and Breezy CLR 66.9 37.9 35% 30.03 1017.1
08 13:51 SE 14 G 22 10.00 Fair CLR 57.9 37 46% 30.07 1018.6
08 12:51 SE 10 10.00 Fair CLR 53.1 37 53.1 37 55% 30.1 1019.9
08 11:51 SE 13 10.00 Fair CLR 50 34 54% 46 30.14 1021.2
08 10:51 SE 14 10.00 Fair CLR 48 33.1 56% 43 30.17 1022.4
08 09:51 S 15 G 24 10.00 Fair CLR 43 30.9 63% 36 30.2 1023.5
08 08:51 SE 16 10.00 Mostly Cloudy SCT080 BKN095 39.9 32 73% 32 30.23 1024.8
08 07:51 SE 16 10.00 Overcast SCT075 OVC100 37.9 30 73% 30 30.26 1025.6
08 06:51 SE 10 G 23 10.00 Mostly Cloudy SCT080 BKN095 37 28.9 37.9 34 73% 30 30.27 1026.1 0.02
08 05:51 SE 18 G 28 10.00 Overcast BKN080 OVC095 36 28 73% 26 30.27 1026.2
08 04:51 SE 12 G 21 10.00 Overcast OVC110 36 30 79% 29 30.28 1026.6 0.01
08 03:51 SE 8 10.00 Light Rain OVC060 37 28.9 73% 32 30.31 1027.3 0.01 0.01
08 02:51 SE 9 10.00 Mostly Cloudy BKN055 BKN120 37 28 70% 31 30.31 1027.6
08 01:51 SE 9 10.00 Partly Cloudy SCT060 36 28.9 76% 30 30.32 1027.7
08 00:51 SE 7 10.00 Overcast OVC065 34 28.9 34 28 82% 29 30.33 1028.4
07 23:51 SE 8 10.00 Mostly Cloudy SCT070 BKN120 33.1 27 78% 27 30.36 1029.2
07 22:51 SE 6 10.00 Partly Cloudy SCT120 32 24.1 73% 27 30.38 1030.1
07 21:51 E 5 10.00 Fair CLR 28.9 21 72% 25 30.39 1030.7
07 20:51 E 3 10.00 Fair CLR 28.9 19.9 69% 30.4 1030.9
07 19:51 E 5 10.00 Fair CLR 28.9 19 66% 25 30.4 1031.0
07 18:51 E 6 10.00 Fair CLR 30 19 34 30 64% 25 30.42 1031.5
07 17:51 E 7 10.00 Fair CLR 30.9 19 61% 25 30.43 1031.8
07 16:51 E 7 10.00 Fair CLR 32 19.9 61% 26 30.45 1032.6
07 15:51 E 5 10.00 Fair CLR 33.1 21 61% 29 30.47 1033.0
07 14:51 E 10 G 18 10.00 Fair CLR 33.1 19 56% 26 30.48 1033.6
07 13:51 E 10 10.00 Fair CLR 32 18 56% 24 30.51 1034.5
07 12:51 E 10 G 17 10.00 Fair CLR 32 17.1 33.1 26.1 54% 24 30.52 1034.8
07 11:51 E 12 G 18 10.00 A Few Clouds FEW032 32 17.1 54% 24 30.54 1035.5
07 10:51 E 8 G 17 10.00 A Few Clouds FEW032 30.9 16 54% 24 30.55 1035.9
07 09:51 NE 12 10.00 Fair CLR 30.9 16 54% 22 30.54 1035.4
07 08:51 NE 13 10.00 Fair CLR 30 15.1 54% 21 30.52 1035.0
07 07:51 NE 12 10.00 Fair CLR 28.9 14 54% 20 30.51 1034.6
07 06:51 NE 7 10.00 Fair CLR 26.1 14 30.9 26.1 60% 19 30.49 1033.8
07 05:51 NE 12 10.00 Fair CLR 27 14 58% 17 30.47 1032.9
07 04:51 N 8 10.00 Fair CLR 28 15.1 58% 21 30.46 1032.5
07 03:51 N 7 G 20 10.00 Mostly Cloudy BKN033 28.9 18 63% 23 30.45 1031.9
07 02:51 N 7 G 21 10.00 Mostly Cloudy BKN035 30 19 64% 24 30.42 1031.1
07 01:51 NE 12 10.00 Mostly Cloudy BKN031 30.9 19.9 64% 22 30.41 1030.6
07 00:51 NE 10 G 20 10.00 Mostly Cloudy BKN028 30.9 21.9 44.1 30.9 69% 23 30.4 1030.2
06 23:51 N 10 10.00 Overcast OVC026 30.9 23 72% 23 30.38 1029.5
06 22:51 NE 10 G 23 10.00 Mostly Cloudy BKN022 32 24.1 73% 24 30.36 1029.0
06 21:51 N 13 G 22 10.00 Overcast BKN018 OVC070 32 26.1 79% 23 30.34 1028.5
06 20:51 NE 13 G 25 10.00 Overcast OVC012 33.1 28 82% 25 30.3 1027.1
06 19:51 NE 14 G 30 10.00 Overcast SCT009 OVC070 35.1 32 89% 27 30.25 1025.4
06 18:51 N 10 10.00 Mostly Cloudy BKN070 44.1 21.9 51.1 44.1 41% 39 30.21 1023.7
06 17:51 N 13 G 22 10.00 Overcast OVC075 46 23 40% 41 30.2 1023.2
06 16:51 NW 10 G 23 10.00 Mostly Cloudy SCT060 BKN075 46.9 24.1 41% 43 30.18 1022.6
06 15:51 NW 18 G 30 10.00 Mostly Cloudy BKN070 48.9 24.1 38% 43 30.18 1022.4
06 14:51 W 15 G 33 10.00 Mostly Cloudy BKN055 BKN065 48 26.1 42% 43 30.19 1022.9
06 13:51 W 14 G 25 10.00 Mostly Cloudy BKN043 BKN060 48 28.9 48% 43 30.2 1023.0
06 12:51 NW 15 G 29 10.00 Mostly Cloudy BKN041 BKN060 46 28.9 46 37.9 51% 40 30.21 1023.5
06 11:51 NW 15 G 26 10.00 Mostly Cloudy SCT037 BKN048 45 30.9 58% 39 30.22 1023.7
06 10:51 NW 12 G 21 10.00 Mostly Cloudy SCT030 BKN040 44.1 32 63% 39 30.22 1023.9
06 09:51 NW 13 G 23 10.00 Mostly Cloudy SCT027 BKN033 43 32 65% 37 30.21 1023.5
06 08:51 NW 9 G 18 10.00 Mostly Cloudy BKN020 43 36 76% 38 30.2 1023.0
06 07:51 NW 9 10.00 Fair CLR 39.9 35.1 83% 34 30.18 1022.6
06 06:51 NW 9 10.00 Fair CLR 39 35.1 43 37.9 86% 33 30.16 1021.7
06 05:51 NW 8 10.00 Fair CLR 39 35.1 86% 34 30.13 1020.8
06 04:51 NW 6 10.00 Light Rain FEW012 BKN038 OVC055 41 39 93% 38 30.12 1020.2
06 03:51 W 5 10.00 Fair CLR 39.9 39 97% 37 30.1 1019.9
06 02:51 W 5 10.00 Fair CLR 39.9 39 97% 37 30.11 1020.0
06 01:51 W 6 10.00 Partly Cloudy SCT065 SCT080 42.1 39 89% 39 30.11 1020.2
06 00:51 W 8 10.00 Overcast SCT041 BKN060 OVC100 43 39.9 50 39.9 89% 39 30.12 1020.4 0.05 0.05
05 23:51 W 7 10.00 Overcast SCT041 BKN075 OVC090 45 37 74% 42 30.12 1020.4
05 22:51 SW 8 10.00 Mostly Cloudy BKN090 BKN120 44.1 32 63% 40 30.12 1020.4
05 21:51 SW 7 10.00 Fair CLR 44.1 28.9 55% 41 30.13 1020.9
05 20:51 W 7 10.00 Fair CLR 46 28.9 51% 43 30.14 1021.2
05 19:51 W 8 10.00 Fair CLR 48 26.1 42% 45 30.13 1020.7
05 18:51 W 8 10.00 Fair CLR 50 24.1 52 46 36% 47 30.12 1020.7
05 17:51 W 13 G 20 10.00 Fair CLR 52 23 32% 30.13 1020.7
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)