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.
13 02:51 NW 6 10.00 Overcast OVC075 53.1 45 74% 29.83 1009.9
13 01:51 Calm 10.00 Overcast OVC050 52 46 80% 29.83 1010.0
13 00:51 NE 3 10.00 Overcast OVC055 53.1 46 69.1 53.1 77% 29.83 1009.9
12 23:51 NE 9 10.00 Fair CLR 53.1 46 77% 29.82 1009.4
12 22:51 W 9 10.00 Fair CLR 66 46 49% 29.76 1007.4
12 21:51 SW 15 10.00 Fair CLR 66.9 50 55% 29.74 1006.6
12 20:51 SW 17 10.00 Mostly Cloudy BKN100 66 51.1 59% 29.73 1006.2
12 19:51 SW 20 G 28 10.00 Fair CLR 66 50 56% 29.74 1006.7
12 18:51 SW 16 G 32 10.00 Partly Cloudy SCT095 69.1 48 70 62.1 47% 29.75 1007.1
12 17:51 SW 21 G 33 10.00 Mostly Cloudy and Breezy BKN095 68 48 49% 29.77 1008.0
12 16:51 SW 24 G 35 10.00 Mostly Cloudy and Breezy BKN075 69.1 46.9 45% 29.81 1009.2
12 15:51 SW 12 10.00 Overcast OVC080 68 46 45% 29.83 1010.2
12 14:51 SW 10 10.00 Overcast FEW038 FEW075 OVC100 66.9 46 47% 29.85 1010.8
12 13:51 SW 5 10.00 Overcast OVC120 63 46 54% 29.91 1013.2
12 12:51 SW 9 10.00 Partly Cloudy SCT110 62.1 39.9 62.1 46 44% 29.95 1014.3
12 11:51 SW 12 10.00 Overcast SCT090 OVC110 60.1 36 41% 29.98 1015.6
12 10:51 S 9 10.00 Partly Cloudy SCT120 57.9 32 38% 29.98 1015.6
12 09:51 S 10 G 22 10.00 Fair CLR 55.9 28.9 36% 30.04 1017.6
12 08:51 S 16 10.00 Partly Cloudy SCT110 55 30 38% 30.08 1018.8
12 07:51 S 10 10.00 Fair CLR 48.9 35.1 59% 45 30.08 1019.0
12 06:51 SE 5 10.00 Partly Cloudy SCT120 46 34 46 30.9 63% 44 30.11 1020.3
12 05:51 S 5 10.00 Overcast FEW080 OVC110 44.1 36 73% 42 30.13 1020.9
12 04:51 S 5 10.00 Overcast OVC100 42.1 35.1 76% 40 30.12 1020.6
12 03:51 Calm 10.00 Partly Cloudy SCT100 34 30.9 89% 30.14 1021.3
12 02:51 Calm 10.00 A Few Clouds FEW110 34 30 85% 30.15 1021.6
12 01:51 Calm 10.00 Fair CLR 32 30.9 96% 30.17 1022.2
12 00:51 Calm 10.00 Fair CLR 33.1 30.9 45 32 92% 30.2 1023.3
11 23:51 Calm 10.00 Fair CLR 34 30.9 89% 30.22 1024.1
11 22:51 Calm 10.00 Fair CLR 35.1 30.9 85% 30.23 1024.5
11 21:51 Calm 10.00 Fair CLR 37 30 76% 30.24 1024.7
11 20:51 NE 5 10.00 Fair CLR 39.9 28.9 65% 37 30.23 1024.4
11 19:51 NE 7 10.00 Fair CLR 41 28 60% 37 30.23 1024.2
11 18:51 NE 7 10.00 Fair CLR 45 28 51.1 45 52% 42 30.24 1024.6
11 17:51 NE 10 10.00 Fair CLR 46.9 27 46% 43 30.23 1024.3
11 16:51 E 12 10.00 Fair CLR 48 27 44% 44 30.24 1024.5
11 15:51 E 13 10.00 Fair CLR 48 28 46% 43 30.25 1024.7
11 14:51 NE 12 10.00 Fair CLR 48.9 28 44% 45 30.25 1024.9
11 13:51 NE 14 G 22 10.00 Fair CLR 50 28 43% 45 30.26 1025.1
11 12:51 NE 13 10.00 Fair CLR 50 28 51.1 43 43% 46 30.26 1025.1
11 11:51 NE 12 10.00 Fair CLR 48 30.9 52% 44 30.27 1025.6
11 10:51 NE 12 10.00 Fair CLR 48.9 33.1 55% 45 30.27 1025.3
11 09:51 NE 10 G 21 10.00 Fair CLR 48 33.1 56% 44 30.25 1025.0
11 08:51 NE 13 10.00 Fair CLR 46.9 34 61% 42 30.24 1024.4
11 07:51 NE 12 10.00 Fair CLR 46 34 63% 41 30.23 1023.8
11 06:51 NE 10 10.00 Fair CLR 43 34 46.9 42.1 71% 38 30.21 1023.2
11 05:51 NE 13 G 20 10.00 Partly Cloudy SCT090 42.1 34 73% 36 30.19 1022.6
11 04:51 NE 10 10.00 Mostly Cloudy BKN100 43 35.1 74% 38 30.19 1022.5
11 03:51 NE 13 G 21 10.00 Overcast OVC100 44.1 35.1 71% 38 30.18 1022.1
11 02:51 NE 10 10.00 Overcast OVC100 44.1 36 73% 39 30.17 1021.7
11 01:51 N 12 10.00 Overcast BKN095 OVC110 44.1 37 76% 39 30.16 1021.6
11 00:51 N 7 10.00 Overcast OVC110 46.9 35.1 53.1 43 63% 44 30.16 1021.3
10 23:51 Calm 10.00 Overcast OVC110 44.1 37.9 79% 30.13 1020.6
10 22:51 Calm 10.00 Overcast OVC120 45 37 74% 30.12 1020.2
10 21:51 S 5 10.00 Mostly Cloudy BKN110 44.1 36 73% 42 30.11 1019.9
10 20:51 SE 6 10.00 A Few Clouds FEW110 48.9 34 56% 47 30.1 1019.5
10 19:51 SE 8 10.00 Fair CLR 50 35.1 57% 47 30.09 1019.0
10 18:51 SE 7 10.00 Mostly Cloudy BKN100 53.1 35.1 57.9 53.1 51% 30.09 1019.1
10 17:51 SE 9 10.00 Partly Cloudy SCT100 55.9 34 44% 30.09 1019.5
10 16:51 SE 12 10.00 Mostly Cloudy BKN095 55 34 45% 30.08 1019.3
10 15:51 SE 13 10.00 Mostly Cloudy BKN100 57 32 39% 30.09 1019.2
10 14:51 SE 8 10.00 Mostly Cloudy BKN100 55.9 30 37% 30.09 1019.3
10 13:51 SE 12 10.00 Mostly Cloudy BKN090 55.9 26.1 32% 30.09 1019.3
10 12:51 SE 12 10.00 Overcast OVC085 55.9 26.1 57.9 43 32% 30.1 1019.5
10 11:51 E 12 10.00 Partly Cloudy SCT080 55.9 26.1 32% 30.09 1019.1
10 10:51 E 7 10.00 Fair CLR 55 24.1 30% 30.1 1019.4
10 09:51 Calm 10.00 Fair CLR 54 24.1 31% 30.09 1019.3
10 08:51 Calm 10.00 Fair CLR 52 26.1 37% 30.08 1018.7
10 07:51 NW 3 10.00 Fair CLR 48.9 33.1 55% 30.06 1018.1
10 06:51 NW 5 10.00 Fair CLR 43 35.1 46 32 74% 41 30.05 1017.6
10 05:51 NW 5 10.00 Fair CLR 35.1 34 96% 32 30.02 1016.6
10 04:51 Calm 10.00 Fair CLR 33.1 32 96% 30.01 1016.3
10 03:51 Calm 10.00 Fair CLR 36 34 93% 29.99 1015.4
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)