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.
29 00:51 SW 8 10.00 Fair CLR 39 27 46 39 62% 34 30.29 1026.5
28 23:51 SW 9 10.00 Fair CLR 42.1 27 55% 37 30.29 1026.4
28 22:51 SW 13 10.00 Fair CLR 43 27 53% 37 30.28 1026.2
28 21:51 S 13 G 22 10.00 Partly Cloudy SCT100 45 25 46% 39 30.29 1026.5
28 20:51 S 18 G 26 10.00 Overcast OVC100 46 24.1 42% 39 30.29 1026.7
28 19:51 S 15 10.00 Overcast OVC100 46 24.1 42% 40 30.31 1027.4
28 18:51 S 13 10.00 Overcast OVC110 46 21.9 46.9 39.9 38% 41 30.33 1028.1
28 17:51 SW 17 10.00 Overcast OVC120 46 19 34% 40 30.35 1028.9
28 16:51 SW 17 10.00 Fair CLR 46 18 33% 40 30.38 1029.9
28 15:51 S 8 10.00 Fair CLR 44.1 25 47% 40 30.4 1030.6
28 14:51 S 14 G 21 10.00 Fair CLR 44.1 19 37% 38 30.46 1032.7
28 13:51 S 10 10.00 Fair CLR 39.9 21 47% 34 30.51 1034.2
28 12:51 S 13 G 20 10.00 Fair CLR 39.9 14 41 21 35% 33 30.55 1035.8
28 11:51 SW 10 10.00 Fair CLR 37.9 14 37% 32 30.59 1036.9
28 10:51 SW 9 10.00 Fair CLR 35.1 12 38% 29 30.61 1038.0
28 09:51 SW 5 10.00 Fair CLR 30.9 10.9 43% 27 30.64 1038.8
28 08:51 Vrbl 3 10.00 Fair CLR 30 15.1 54% 30.64 1038.8
28 07:51 W 5 10.00 Fair CLR 26.1 15.1 63% 21 30.63 1038.7
28 06:51 Calm 10.00 Fair CLR 21.9 12.9 30 19.9 68% 30.6 1037.9
28 05:51 N 3 10.00 Fair CLR 19.9 15.1 81% 30.6 1037.7
28 04:51 Calm 10.00 Fair CLR 24.1 14 65% 30.6 1037.8
28 03:51 W 3 10.00 Fair CLR 26.1 15.1 63% 30.61 1037.9
28 02:51 NW 3 10.00 Fair CLR 28 15.1 58% 30.59 1036.9
28 01:51 N 7 10.00 Fair CLR 28.9 14 54% 23 30.58 1036.8
28 00:51 N 8 10.00 Fair CLR 30 16 33.1 26.1 56% 23 30.58 1036.9
27 23:51 N 6 10.00 Fair CLR 30 19 64% 25 30.55 1035.8
27 22:51 Calm 10.00 A Few Clouds FEW070 27 24.1 89% 30.53 1035.4
27 21:51 N 3 10.00 Mostly Cloudy SCT060 BKN075 30 25 82% 30.51 1034.5
27 20:51 Calm 10.00 Overcast OVC080 30.9 25 79% 30.48 1033.4
27 19:51 E 5 10.00 Overcast OVC080 32 25 75% 28 30.44 1032.0
27 18:51 SE 7 10.00 Mostly Cloudy BKN075 33.1 24.1 42.1 33.1 70% 28 30.41 1031.2
27 17:51 SE 7 10.00 Mostly Cloudy BKN070 34 24.1 67% 29 30.39 1030.6
27 16:51 E 8 10.00 Overcast OVC065 34 23 64% 28 30.39 1030.2
27 15:51 E 8 10.00 Overcast OVC060 34 23 64% 28 30.38 1030.0
27 14:51 NW 7 G 22 10.00 Mostly Cloudy BKN055 39.9 19 43% 36 30.38 1029.8
27 13:51 N 12 G 20 10.00 Partly Cloudy SCT046 39 19 45% 32 30.39 1030.2
27 12:51 NW 8 G 21 10.00 A Few Clouds FEW038 37.9 19.9 37.9 30 48% 33 30.39 1030.3
27 11:51 Vrbl 6 G 16 10.00 Fair CLR 35.1 21 57% 31 30.4 1030.6
27 10:51 N 9 G 21 10.00 Mostly Cloudy BKN028 33.1 21 61% 26 30.42 1031.3
27 09:51 N 13 G 21 10.00 Overcast OVC027 32 21.9 66% 23 30.42 1031.2
27 08:51 N 9 10.00 Mostly Cloudy BKN026 32 21.9 66% 25 30.39 1030.4
27 07:51 N 8 10.00 Mostly Cloudy BKN024 30.9 21 67% 24 30.38 1029.9
27 06:51 N 6 G 17 10.00 Mostly Cloudy BKN023 30 21.9 30.9 30 72% 25 30.35 1028.9
27 05:51 NE 15 G 25 10.00 Partly Cloudy SCT023 30 21.9 72% 20 30.32 1027.7
27 04:51 N 14 G 25 10.00 Mostly Cloudy BKN023 30.9 23 72% 21 30.29 1026.8
27 03:51 N 18 G 28 10.00 Overcast OVC023 30.9 24.1 76% 20 30.26 1025.7
27 02:51 N 18 G 29 10.00 Overcast OVC021 30.9 24.1 76% 20 30.23 1024.7
27 01:51 N 18 G 35 10.00 Overcast OVC018 30.9 24.1 76% 20 30.23 1024.4
27 00:51 N 20 G 37 10.00 Overcast OVC016 30.9 25 37 30.9 79% 20 30.22 1024.0 0.01
26 23:51 N 17 G 35 10.00 Overcast OVC018 30.9 25 79% 20 30.18 1022.7
26 22:51 N 24 G 38 10.00 Overcast and Breezy BKN021 BKN080 OVC110 33.1 26.1 75% 21 30.12 1020.6
26 21:51 N 24 G 39 10.00 Mostly Cloudy and Breezy BKN019 BKN031 33.1 27 78% 21 30.09 1019.1 0.01
26 20:51 N 22 G 39 10.00 Light Rain and Breezy SCT015 SCT027 BKN065 34 30 85% 23 30.03 1017.3 0.01
26 19:51 N 25 G 38 10.00 Light Rain and Breezy BKN012 OVC060 35.1 32 89% 23 29.98 1015.7
26 18:51 N 20 G 37 10.00 Light Rain BKN009 OVC018 37 34 54 37 89% 27 29.94 1014.6 0.11
26 17:51 NE 20 G 35 10.00 Overcast BKN007 OVC100 41 39 93% 33 29.88 1012.3 0.01
26 16:51 N 10 4.00 Rain Fog/Mist BKN055 OVC100 46.9 44.1 90% 43 29.86 1011.4 0.06
26 15:51 NE 10 8.00 Light Rain OVC055 46.9 44.1 90% 43 29.82 1010.0 0.01 0.04
26 14:51 NE 15 G 23 10.00 Light Rain SCT029 SCT039 BKN050 46.9 44.1 90% 41 29.75 1007.5 0.03
26 13:51 N 15 G 30 10.00 Overcast OVC050 50 39 66% 45 29.81 1009.3
26 12:51 NE 18 G 35 10.00 Fair CLR 54 37.9 63 43 55% 29.77 1008.0
26 11:51 N 21 G 33 10.00 Fair and Breezy CLR 53.1 37.9 57% 29.77 1008.0
26 10:51 N 17 G 29 10.00 Fair CLR 50 39 66% 45 29.73 1006.9
26 09:51 NE 6 10.00 Fair CLR 62.1 52 70% 29.7 1005.4
26 08:51 SW 7 10.00 Fair CLR 57 48.9 74% 29.71 1005.6
26 07:51 W 6 10.00 Fair CLR 54 46 75% 29.75 1007.2
26 06:51 Calm 10.00 Fair CLR 45 43 57 44.1 93% 29.72 1006.1
26 05:51 Calm 10.00 Fair CLR 48.9 43 80% 29.69 1005.0
26 04:51 S 5 10.00 Fair CLR 50 43 77% 49 29.72 1006.0
26 03:51 SW 7 10.00 Fair CLR 53.1 43 69% 29.74 1006.5
26 02:51 SW 9 10.00 Fair CLR 53.1 44.1 72% 29.76 1007.1
26 01:51 W 6 10.00 Fair CLR 57 44.1 62% 29.78 1008.1
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)