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.
12 03:51 SE 9 16.09 Fair CLR 8.9 5.6 80% 8 76.25 1016.9
12 02:51 SE 11 16.09 Partly Cloudy SCT100 8.9 5 77% 7 76.33 1017.8
12 01:51 SE 15 16.09 Mostly Cloudy BKN120 8.9 5 77% 7 76.4 1018.9
12 00:51 SE 17 16.09 Overcast FEW080 OVC100 9.4 5 10 5.6 74% 7 76.5 1020.3
11 23:51 SE 20 16.09 Mostly Cloudy BKN041 BKN120 10 5 71% 8 76.56 1020.9
11 22:51 S 13 16.09 Overcast FEW070 OVC090 8.3 3.9 74% 6 76.61 1021.7
11 21:51 SE 9 16.09 Overcast SCT050 OVC080 6.7 1.7 71% 5 76.66 1022.6
11 20:51 SE 9 16.09 Overcast OVC060 6.7 0 63% 5 76.73 1023.5
11 19:51 SE 11 16.09 A Few Clouds FEW060 5.6 -1.1 62% 3 76.78 1024.5
11 18:51 E 13 16.09 Mostly Cloudy BKN070 BKN100 BKN120 6.7 -1.1 10 6.7 58% 4 76.84 1025.3
11 17:51 E 9 16.09 Partly Cloudy SCT080 7.8 -1.1 54% 6 76.94 1026.6
11 16:51 E 11 16.09 Overcast OVC110 7.8 -0.6 56% 6 76.96 1026.9
11 15:51 E 13 16.09 Partly Cloudy SCT110 7.8 -0.6 56% 6 76.99 1027.4
11 14:51 SE 17 16.09 Overcast OVC100 8.9 -0.6 52% 7 77.09 1028.5
11 13:51 SE 17 16.09 Mostly Cloudy BKN100 8.9 -1.1 50% 7 77.17 1029.8
11 12:51 SE 13 16.09 Fair CLR 9.4 -2.8 10 -1.1 43% 8 77.24 1030.6
11 11:51 SE 19 16.09 Fair CLR 9.4 0.6 55% 7 77.29 1031.3
11 10:51 SE 19 16.09 Fair CLR 8.9 1.7 61% 6 77.34 1032.0
11 09:51 S 20 16.09 Fair CLR 7.2 1.7 68% 4 77.32 1031.7
11 08:51 SE 13 16.09 Fair CLR 6.1 1.1 71% 4 77.29 1031.3
11 07:51 Vrbl 6 16.09 Fair CLR 3.9 1.7 86% 77.29 1031.3
11 06:51 Calm 6.44 Fog/Mist CLR -0.6 -1.1 0 -2.8 96% 77.27 1031.3
11 05:51 Calm 9.66 Fog/Mist CLR -2.2 -2.8 96% 77.27 1031.1
11 04:51 W 6 6.44 Fog/Mist CLR -1.1 -1.7 96% 77.22 1030.4
11 03:51 W 6 16.09 Fair CLR -1.7 -1.7 100% 77.22 1030.3
11 02:51 Calm 6.44 Fog/Mist CLR -1.7 -1.7 100% 77.17 1029.8
11 01:51 Calm 12.87 Fair CLR -1.1 -1.1 100% 77.17 1029.7
11 00:51 Calm 14.48 Fair CLR -0.6 -0.6 4.4 -0.6 100% 77.17 1029.4
10 23:51 Calm 14.48 Fair CLR 0 -0.6 96% 77.17 1029.4
10 22:51 Calm 16.09 Fair CLR 0.6 0 96% 77.19 1029.8
10 21:51 Calm 16.09 Fair CLR 1.1 0 92% 77.19 1029.9
10 20:51 Calm 16.09 A Few Clouds FEW049 2.2 0 86% 77.17 1029.4
10 19:51 E 7 16.09 Fair CLR 3.3 0 79% 2 77.09 1028.5
10 18:51 NE 9 16.09 Overcast OVC048 4.4 0.6 10 4.4 77% 2 77.06 1028.3
10 17:51 NE 20 16.09 Partly Cloudy SCT006 SCT011 5.6 2.8 82% 2 77.04 1027.7
10 16:51 NE 19 G 31 16.09 Mostly Cloudy FEW030 BKN050 7.8 5 83% 5 76.99 1027.0
10 15:51 E 13 16.09 Overcast BKN031 OVC045 8.9 6.1 83% 7 76.94 1026.2
10 14:51 SE 9 16.09 Overcast BKN023 OVC039 8.3 6.1 86% 7 76.91 1026.0
10 13:51 Vrbl 7 16.09 Overcast FEW018 OVC025 9.4 5.6 77% 9 76.89 1025.6
10 12:51 NW 13 16.09 Overcast OVC019 8.9 5.6 8.9 5.6 80% 7 76.86 1025.3 0.03
10 11:51 N 9 16.09 Overcast OVC017 8.9 5.6 80% 8 76.81 1024.7
10 10:51 N 13 16.09 Overcast OVC012 7.8 5 83% 6 76.81 1024.6
10 09:51 N 13 16.09 Overcast BKN007 OVC046 7.2 5.6 90% 5 76.76 1023.8 0.03
10 08:51 N 9 14.48 Overcast OVC006 6.1 5.6 97% 4 76.68 1023.1 0.03
10 07:51 N 15 6.44 Fog/Mist FEW005 BKN016 OVC027 5.6 5 96% 3 76.66 1022.6
10 06:51 N 15 9.66 Fog/Mist FEW007 OVC014 5.6 5 5.6 4.4 96% 3 76.58 1021.3 0.76
10 05:51 N 13 6.44 Fog/Mist OVC002 5 5 100% 2 76.5 1020.3
10 04:51 NE 7 11.27 Overcast OVC002 4.4 4.4 100% 3 76.45 1019.4
10 03:51 NE 11 16.09 Overcast OVC003 4.4 4.4 100% 2 76.4 1018.6 0.05 0.76
10 02:51 N 9 9.66 Light Rain Fog/Mist BKN004 OVC055 5 4.4 96% 3 76.48 1019.5 0.43
10 01:51 NE 11 8.05 Rain Fog/Mist OVC065 5 4.4 96% 3 76.5 1020.1 0.28
10 00:51 NE 9 14.48 Light Rain OVC070 5 3.9 15 5 93% 3 76.58 1020.9 0.08 0.25
09 23:51 NE 13 16.09 Light Rain OVC080 5 3.3 89% 2 76.48 1019.8 0.1
09 22:51 NE 9 16.09 Light Rain OVC075 5 2.8 86% 3 76.56 1021.0 0.05
09 21:51 NE 13 16.09 Light Rain OVC080 5.6 2.2 79% 3 76.58 1021.1 0.03 0.03
09 20:51 NE 17 16.09 Light Rain BKN080 OVC095 6.7 2.2 73% 4 76.48 1019.8
09 19:51 NE 9 16.09 Light Rain FEW065 SCT080 OVC100 8.3 3.9 74% 7 76.53 1020.4
09 18:51 Calm 16.09 Partly Cloudy SCT110 14.4 4.4 20 14.4 51% 76.53 1020.3
09 17:51 Calm 16.09 Fair CLR 16.1 3.9 44% 76.5 1019.8
09 16:51 SE 9 16.09 Fair CLR 16.1 3.3 43% 76.48 1019.3
09 15:51 W 13 16.09 Fair CLR 20 0.6 27% 76.48 1019.1
09 14:51 W 20 16.09 Fair CLR 19.4 0.6 29% 76.5 1019.2
09 13:51 SW 20 G 33 16.09 Fair CLR 19.4 0 27% 76.5 1019.5
09 12:51 W 19 G 33 16.09 Fair CLR 18.3 0 18.3 8.9 29% 76.56 1020.0
09 11:51 W 20 G 33 16.09 Fair CLR 17.2 3.3 40% 76.56 1019.9
09 10:51 W 24 G 37 16.09 Fair CLR 15.6 2.8 42% 76.56 1020.1
09 09:51 W 19 G 31 16.09 Fair CLR 15 2.8 44% 76.53 1019.6
09 08:51 W 24 G 37 16.09 Fair CLR 15 1.7 41% 76.48 1018.9
09 07:51 SW 13 16.09 A Few Clouds FEW120 12.2 5 62% 76.43 1018.4
09 06:51 SW 13 16.09 Partly Cloudy SCT080 10 4.4 16.7 10 68% 8 76.38 1018.0
09 05:51 SW 11 16.09 Overcast OVC080 11.1 5.6 69% 76.33 1017.1
09 04:51 W 7 16.09 Partly Cloudy SCT090 12.8 5.6 62% 76.28 1016.5
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)