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.
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 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
10 02:51 Calm 10.00 Fair CLR 37.9 35.1 89% 29.96 1014.5
10 01:51 NE 5 10.00 Fair CLR 44.1 34 68% 42 29.94 1013.5
10 00:51 N 8 10.00 Fair CLR 46 36 57 39.9 68% 42 29.92 1013.1
09 23:51 NE 9 G 20 10.00 Fair CLR 48 35.1 61% 44 29.89 1011.8
09 22:51 Calm 10.00 Fair CLR 41 36 82% 29.85 1010.9
09 21:51 Calm 10.00 Fair CLR 45 37 74% 29.83 1010.0
09 20:51 NE 5 10.00 Fair CLR 48.9 35.1 59% 48 29.79 1008.8
09 19:51 NE 6 10.00 Fair CLR 53.1 34 48% 29.76 1007.5
09 18:51 NE 9 G 20 10.00 A Few Clouds FEW085 57 34 73 57 42% 29.72 1006.3
09 17:51 NW 12 G 21 10.00 Partly Cloudy SCT085 66.9 37 33% 29.69 1004.8
09 16:51 N 13 G 22 10.00 Partly Cloudy SCT085 69.1 39 33% 29.66 1003.9
09 15:51 W 16 G 31 10.00 Fair CLR 72 34 25% 29.63 1002.8
09 14:51 W 17 G 37 10.00 A Few Clouds FEW095 71.1 35.1 27% 29.62 1002.4
09 13:51 W 17 G 29 10.00 Partly Cloudy SCT090 SCT110 71.1 37 29% 29.61 1002.3
09 12:51 W 13 G 22 10.00 Mostly Cloudy BKN100 BKN120 66.9 36 68 55 32% 29.62 1002.8
09 11:51 NW 15 G 24 10.00 Mostly Cloudy BKN110 66 34 30% 29.64 1003.3
09 10:51 W 12 10.00 Fair CLR 64.9 43 45% 29.63 1003.0
09 09:51 W 9 10.00 Fair CLR 62.1 45 54% 29.62 1002.8
09 08:51 W 12 G 20 10.00 Fair CLR 60.1 48 65% 29.62 1002.7
09 07:51 W 13 10.00 A Few Clouds FEW100 57 48.9 74% 29.62 1002.7
09 06:51 SW 10 10.00 Partly Cloudy SCT110 55 48 55 50 77% 29.61 1002.7
09 05:51 SW 14 10.00 Fair CLR 54 48 80% 29.59 1001.8
09 04:51 SW 12 10.00 Mostly Cloudy BKN120 54 48 80% 29.59 1001.9
09 03:51 SW 14 10.00 A Few Clouds FEW110 53.1 48 83% 29.61 1002.3
09 02:51 SW 12 10.00 Fair CLR 53.1 48 83% 29.61 1002.5
09 01:51 SW 12 10.00 Fair CLR 53.1 48 83% 29.63 1003.2
09 00:51 SW 9 10.00 Fair CLR 50 45 55 50 83% 47 29.66 1004.2
08 23:51 SW 12 10.00 Fair CLR 54 44.1 69% 29.66 1004.2
08 22:51 S 7 10.00 Fair CLR 51.1 44.1 77% 29.66 1004.4
08 21:51 S 12 10.00 Fair CLR 54 43 67% 29.67 1004.8
08 20:51 S 9 10.00 Fair CLR 52 39 61% 29.69 1005.4
08 19:51 S 10 10.00 Fair CLR 53.1 37 55% 29.69 1005.5
08 18:51 SE 9 10.00 Fair CLR 55 34 62.1 55 45% 29.7 1006.1
08 17:51 SE 9 10.00 A Few Clouds FEW090 57 30.9 37% 29.71 1006.7
08 16:51 SE 15 10.00 Fair CLR 59 26.1 28% 29.72 1006.7
08 15:51 SE 14 10.00 Fair CLR 60.1 27 28% 29.73 1007.1
08 14:51 SE 13 10.00 Fair CLR 61 27 27% 29.75 1007.8
08 13:51 SE 10 10.00 Fair CLR 60.1 30 32% 29.78 1008.6
08 12:51 SE 10 10.00 Fair CLR 60.1 34 60.1 36 38% 29.8 1009.3
08 11:51 SE 9 10.00 Fair CLR 57.9 36 44% 29.83 1010.3
08 10:51 Vrbl 7 10.00 Fair CLR 57 39 51% 29.85 1010.9
08 09:51 Vrbl 6 10.00 Fair CLR 54 41 62% 29.85 1011.2
08 08:51 Vrbl 3 10.00 Fair CLR 53.1 42.1 66% 29.85 1011.3
08 07:51 Calm 10.00 Fair CLR 45 41 86% 29.86 1011.6
08 06:51 Calm 5.00 Fog/Mist CLR 36 35.1 39 30.9 97% 29.86 1011.7
08 05:51 SW 3 2.50 Fog/Mist CLR 30.9 30.9 100% 29.85 1011.6
08 04:51 Calm 3.00 Fog/Mist CLR 33.1 33.1 100% 29.85 1011.4
08 03:51 Calm 4.00 Fog/Mist CLR 35.1 34 96% 29.85 1011.6
08 02:51 Calm 5.00 Fog/Mist CLR 36 35.1 97% 29.86 1011.8
08 01:51 N 3 10.00 Overcast OVC100 39 37.9 96% 29.88 1012.1
08 00:51 Calm 5.00 Fog/Mist SCT100 36 36 46.9 36 100% 29.87 1012.2
07 23:51 Calm 7.00 Fair CLR 37 37 100% 29.86 1011.8
07 22:51 NE 3 9.00 Fair CLR 37.9 37.9 100% 29.86 1011.5
07 21:51 NE 3 10.00 Fair CLR 39.9 39 97% 29.85 1011.3
07 20:51 Calm 10.00 Fair CLR 41 39.9 96% 29.84 1010.8
07 19:51 E 3 10.00 Fair CLR 45 39 80% 29.81 1010.0
07 18:51 SE 7 10.00 A Few Clouds FEW095 46.9 41 53.1 44.1 80% 44 29.8 1009.8 0.01 0.04
07 17:51 SE 8 10.00 Overcast FEW031 BKN070 OVC085 45 42.1 90% 41 29.82 1010.7 0.03
07 16:51 NE 10 G 21 10.00 Mostly Cloudy FEW045 BKN055 48.9 39 69% 45 29.82 1010.4
07 15:51 SE 8 10.00 A Few Clouds FEW040 FEW095 48.9 36 61% 46 29.81 1010.2
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)