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.
20 15:51 NE 22 G 39 16.09 Fair CLR 11.1 5 66% 75.77 1010.4
20 14:51 NE 26 G 48 16.09 Fair CLR 11.7 5.6 66% 75.72 1010.0
20 13:51 NE 19 16.09 Fair CLR 14.4 7.8 65% 75.67 1009.1
20 12:51 NW 13 16.09 Fair CLR 17.8 8.3 17.8 11.7 54% 75.62 1008.2
20 11:51 NW 15 16.09 Fair CLR 16.7 7.2 54% 75.62 1008.3
20 10:51 W 20 G 30 16.09 Fair CLR 15.6 6.7 56% 75.59 1008.1
20 09:51 W 19 G 37 16.09 Fair CLR 15 6.1 56% 75.57 1007.8
20 08:51 W 20 16.09 Fair CLR 14.4 6.1 58% 75.54 1007.3
20 07:51 W 22 16.09 Fair CLR 12.8 5.6 62% 75.54 1007.6
20 06:51 SW 20 16.09 Fair CLR 11.7 6.1 11.7 1.1 69% 75.54 1007.4
20 05:51 SW 19 16.09 Fair CLR 7.2 4.4 83% 4 75.59 1008.4
20 04:51 SW 13 16.09 Fair CLR 6.1 2.8 80% 4 75.64 1009.1
20 03:51 SW 15 16.09 Fair CLR 5 2.2 82% 2 75.67 1009.5
20 02:51 SW 11 14.48 Fair CLR 2.2 0 86% -1 75.82 1011.6
20 01:51 SW 7 14.48 Fair CLR 1.7 0 89% -0 75.9 1012.7
20 00:51 W 6 16.09 Fair CLR 2.2 0 3.9 0.6 86% 76 1013.8
19 23:51 NW 6 16.09 Fair CLR 1.7 0 89% 76.07 1014.9
19 22:51 Calm 16.09 Fair CLR 1.1 -0.6 89% 76.15 1016.0
19 21:51 Calm 16.09 Fair CLR 1.1 -0.6 89% 76.23 1017.1
19 20:51 E 6 16.09 Fair CLR 3.3 -0.6 76% 76.28 1017.8
19 19:51 E 6 16.09 Fair CLR 2.8 -0.6 79% 76.3 1018.2
19 18:51 E 11 16.09 Fair CLR 3.9 0 7.8 3.9 76% 1 76.33 1018.7
19 17:51 E 17 16.09 Fair CLR 5.6 0 68% 3 76.38 1019.3
19 16:51 E 15 16.09 Fair CLR 6.7 0 63% 4 76.4 1019.4
19 15:51 E 15 16.09 Fair CLR 7.8 1.1 63% 6 76.4 1019.4
19 14:51 E 11 16.09 Fair CLR 7.2 1.1 66% 5 76.4 1019.5
19 13:51 E 11 16.09 Fair CLR 6.7 1.1 68% 5 76.45 1020.2
19 12:51 NE 11 16.09 Fair CLR 7.2 1.1 8.3 1.1 66% 5 76.48 1020.4
19 11:51 Vrbl 7 16.09 Fair CLR 8.3 1.1 61% 7 76.45 1020.0
19 10:51 Calm 16.09 Fair CLR 6.1 0.6 68% 76.45 1020.1
19 09:51 SE 6 16.09 Mostly Cloudy BKN070 5 -0.6 67% 76.48 1020.5
19 08:51 Calm 16.09 Overcast BKN055 OVC075 3.3 -1.1 73% 76.43 1019.8
19 07:51 SW 7 14.48 Overcast OVC065 1.7 -1.1 82% -0 76.35 1018.7
19 06:51 SW 15 16.09 Overcast OVC065 1.1 -1.7 1.7 -1.1 82% -3 76.33 1018.5
19 05:51 S 11 16.09 A Few Clouds FEW065 0.6 -1.7 85% -2 76.23 1017.1
19 04:51 S 11 16.09 Fair CLR -0.6 -2.8 85% -4 76.23 1017.1
19 03:51 N 6 16.09 Partly Cloudy SCT120 0.6 -2.2 82% 76.28 1017.9
19 02:51 N 6 16.09 Mostly Cloudy BKN110 0 -2.2 85% 76.3 1018.4
19 01:51 SW 9 16.09 Fair CLR 1.1 -2.2 79% -1 76.28 1018.0
19 00:51 W 6 16.09 Mostly Cloudy BKN120 1.1 -2.2 3.3 -0.6 79% 76.3 1018.3
18 23:51 SW 6 16.09 Fair CLR 0.6 -2.8 78% 76.3 1018.4
18 22:51 SW 6 16.09 Fair CLR 0.6 -2.8 78% 76.3 1018.4
18 21:51 Calm 16.09 Fair CLR 0.6 -2.8 78% 76.33 1018.8
18 20:51 NW 7 16.09 Fair CLR 2.2 -3.3 67% 0 76.33 1018.9
18 19:51 NW 6 16.09 Fair CLR 2.2 -2.8 70% 76.3 1018.5
18 18:51 W 9 16.09 Fair CLR 3.3 -2.8 5 1.1 65% 1 76.25 1017.7
18 17:51 W 15 16.09 Fair CLR 5 -2.8 57% 2 76.17 1016.8
18 16:51 W 17 16.09 Fair CLR 4.4 -2.2 63% 1 76.1 1015.7
18 15:51 W 13 16.09 Overcast OVC037 3.9 -3.3 60% 1 76.12 1016.2
18 14:51 SW 19 16.09 Overcast OVC039 3.3 -3.9 60% -1 76.1 1015.9
18 13:51 SW 17 16.09 Overcast OVC043 2.2 -3.9 64% -2 76.12 1016.1
18 12:51 SW 19 16.09 Overcast OVC047 1.1 -5 1.1 -4.4 64% -3 76.17 1016.9
18 11:51 S 24 G 39 16.09 Overcast OVC050 0 -5.6 66% -5 76.17 1017.0
18 10:51 SW 24 16.09 Overcast OVC055 -1.7 -5.6 75% -8 76.23 1017.7
18 09:51 S 26 16.09 Overcast BKN028 OVC055 -2.8 -6.1 78% -9 76.23 1017.9
18 08:51 S 22 9.66 Fog/Mist FEW036 OVC047 -3.9 -6.1 85% -10 76.23 1018.1
18 07:51 S 22 16.09 Overcast OVC013 -3.9 -6.7 81% -10 76.23 1017.9
18 06:51 S 20 16.09 Overcast FEW014 BKN037 OVC060 -4.4 -6.7 -4.4 -5.6 84% -10 76.23 1018.1
18 05:51 S 19 G 33 16.09 Overcast FEW017 BKN032 OVC060 -4.4 -7.2 81% -10 76.25 1018.3
18 04:51 S 17 G 39 16.09 Overcast BKN036 OVC047 -5 -7.2 85% -10 76.25 1018.5
18 03:51 S 17 12.87 Light Snow SCT015 BKN050 OVC090 -5 -7.2 85% -10 76.3 1019.3
18 02:51 S 13 16.09 Overcast SCT018 BKN070 OVC090 -5.6 -7.8 85% -10 76.38 1020.2
18 01:51 S 15 12.87 Overcast OVC085 -5.6 -8.9 78% -11 76.45 1021.1
18 00:51 S 17 16.09 Overcast OVC060 -5.6 -11.1 -5.6 -7.2 66% -11 76.5 1021.9
17 23:51 S 11 16.09 Overcast OVC070 -6.1 -12.2 62% -10 76.53 1022.3
17 22:51 SW 11 16.09 Overcast OVC100 -6.1 -12.8 59% -10 76.61 1023.2
17 21:51 SW 9 16.09 Overcast OVC100 -6.7 -13.9 57% -11 76.58 1023.2
17 20:51 SW 15 16.09 Overcast OVC100 -7.2 -13.9 59% -13 76.61 1023.4
17 19:51 SW 19 16.09 Overcast OVC110 -6.7 -15.6 50% -13 76.61 1023.5
17 18:51 SW 17 16.09 Mostly Cloudy BKN120 -6.7 -16.1 -6.1 -6.7 48% -13 76.61 1023.5
17 17:51 SW 19 16.09 Fair CLR -6.1 -15.6 47% -12 76.61 1023.4
17 16:51 SW 11 16.09 Fair CLR -6.1 -16.7 43% -10 76.53 1022.6
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)