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.
06 11:51 NW 15 G 26 10.00 Mostly Cloudy SCT037 BKN048 45 30.9 58% 39 30.22 1023.7
06 10:51 NW 12 G 21 10.00 Mostly Cloudy SCT030 BKN040 44.1 32 63% 39 30.22 1023.9
06 09:51 NW 13 G 23 10.00 Mostly Cloudy SCT027 BKN033 43 32 65% 37 30.21 1023.5
06 08:51 NW 9 G 18 10.00 Mostly Cloudy BKN020 43 36 76% 38 30.2 1023.0
06 07:51 NW 9 10.00 Fair CLR 39.9 35.1 83% 34 30.18 1022.6
06 06:51 NW 9 10.00 Fair CLR 39 35.1 43 37.9 86% 33 30.16 1021.7
06 05:51 NW 8 10.00 Fair CLR 39 35.1 86% 34 30.13 1020.8
06 04:51 NW 6 10.00 Light Rain FEW012 BKN038 OVC055 41 39 93% 38 30.12 1020.2
06 03:51 W 5 10.00 Fair CLR 39.9 39 97% 37 30.1 1019.9
06 02:51 W 5 10.00 Fair CLR 39.9 39 97% 37 30.11 1020.0
06 01:51 W 6 10.00 Partly Cloudy SCT065 SCT080 42.1 39 89% 39 30.11 1020.2
06 00:51 W 8 10.00 Overcast SCT041 BKN060 OVC100 43 39.9 50 39.9 89% 39 30.12 1020.4 0.05 0.05
05 23:51 W 7 10.00 Overcast SCT041 BKN075 OVC090 45 37 74% 42 30.12 1020.4
05 22:51 SW 8 10.00 Mostly Cloudy BKN090 BKN120 44.1 32 63% 40 30.12 1020.4
05 21:51 SW 7 10.00 Fair CLR 44.1 28.9 55% 41 30.13 1020.9
05 20:51 W 7 10.00 Fair CLR 46 28.9 51% 43 30.14 1021.2
05 19:51 W 8 10.00 Fair CLR 48 26.1 42% 45 30.13 1020.7
05 18:51 W 8 10.00 Fair CLR 50 24.1 52 46 36% 47 30.12 1020.7
05 17:51 W 13 G 20 10.00 Fair CLR 52 23 32% 30.13 1020.7
05 16:51 W 14 G 22 10.00 Fair CLR 52 21.9 31% 30.13 1020.6
05 15:51 W 10 G 26 10.00 Fair CLR 51.1 19.9 29% 30.12 1020.6
05 14:51 W 13 G 24 10.00 Fair CLR 50 19.9 30% 46 30.14 1021.0
05 13:51 W 13 G 23 10.00 Fair CLR 48 23 37% 43 30.14 1021.2
05 12:51 W 16 G 26 10.00 Fair CLR 46 25 46 36 44% 40 30.13 1021.0
05 11:51 NW 13 G 28 10.00 A Few Clouds FEW045 44.1 27 51% 38 30.13 1021.0
05 10:51 W 14 G 24 10.00 A Few Clouds FEW030 41 27 57% 34 30.12 1020.7
05 09:51 NW 14 G 25 10.00 Mostly Cloudy BKN032 37.9 25 60% 30 30.11 1020.4
05 08:51 W 13 G 26 10.00 Mostly Cloudy SCT030 BKN036 37 25 62% 30 30.07 1019.2
05 07:51 NW 15 G 29 10.00 Overcast OVC033 37 26.1 65% 29 30.05 1018.4
05 06:51 W 12 G 21 10.00 Overcast SCT027 OVC036 37 28.9 39 37 73% 30 30.01 1017.1
05 05:51 W 15 G 24 10.00 Overcast OVC040 37 28.9 73% 29 29.99 1016.2
05 04:51 W 15 G 25 10.00 Overcast OVC049 37.9 28 68% 30 29.97 1015.6
05 03:51 W 14 G 24 10.00 Overcast OVC050 37.9 28.9 70% 30 29.95 1014.9
05 02:51 W 15 G 24 10.00 Overcast OVC050 39 28.9 67% 31 29.94 1014.5
05 01:51 W 13 G 22 10.00 Fair CLR 39 27 62% 32 29.94 1014.4
05 00:51 W 13 G 24 10.00 A Few Clouds FEW049 39 27 43 39 62% 32 29.93 1014.2
04 23:51 W 15 G 25 10.00 Overcast OVC039 39.9 30 68% 32 29.93 1013.8
04 22:51 W 16 G 26 10.00 Overcast BKN034 OVC050 39.9 30.9 70% 32 29.92 1013.6
04 21:51 W 10 G 26 10.00 Overcast SCT043 OVC055 39.9 30 68% 34 29.92 1013.6
04 20:51 W 12 G 28 10.00 Mostly Cloudy BKN049 41 28.9 62% 35 29.92 1013.6
04 19:51 W 18 G 36 9.00 Light Rain SCT025 BKN034 OVC042 39.9 34 79% 31 29.9 1013.1
04 18:51 W 24 G 36 10.00 Overcast and Breezy OVC036 43 33.1 48.9 43 68% 34 29.89 1012.6
04 17:51 W 14 G 29 10.00 Overcast FEW024 OVC032 44.1 34 68% 38 29.87 1012.2
04 16:51 W 14 G 30 10.00 Overcast OVC026 45 37 74% 39 29.85 1011.4
04 15:51 W 16 G 28 10.00 Overcast OVC021 48 39 71% 42 29.83 1010.5
04 14:51 W 14 G 28 10.00 Mostly Cloudy BKN018 48 41 77% 43 29.82 1010.2
04 13:51 W 15 G 25 10.00 Overcast OVC012 46.9 43 86% 41 29.82 1010.3
04 12:51 W 15 G 29 10.00 Overcast OVC009 46.9 45 51.1 42.1 93% 41 29.81 1010.1 0.01
04 11:51 W 17 G 30 10.00 Overcast OVC011 48.9 45 86% 43 29.79 1009.3
04 10:51 W 15 G 24 10.00 Overcast BKN005 OVC010 50 48.9 96% 45 29.79 1009.3
04 09:51 W 15 G 22 1.50 Fog/Mist OVC002 50 50 100% 45 29.77 1008.7 0.01
04 08:51 SW 7 4.00 Fog/Mist OVC002 46.9 46.9 100% 44 29.77 1008.7
04 07:51 SE 6 1.50 Light Rain Fog/Mist OVC002 44.1 44.1 100% 41 29.79 1009.4 0.01
04 06:51 E 6 3.00 Light Rain Fog/Mist OVC002 43 43 43 39 100% 40 29.81 1010.1 0.59
04 05:51 NE 9 1.50 Fog/Mist OVC002 42.1 42.1 100% 37 29.83 1010.7 0.01
04 04:51 NE 8 7.00 Light Rain OVC003 42.1 42.1 100% 38 29.88 1012.5 0.08
04 03:51 E 10 8.00 Overcast OVC002 42.1 41 96% 37 29.87 1011.9 0.28 0.5
04 02:51 N 10 G 25 2.50 Thunderstorm Rain Fog/Mist BKN006 OVC010 41 39.9 96% 35 29.94 1014.4 0.22
04 01:51 NE 12 G 20 10.00 Light Rain OVC012 39.9 37.9 93% 34 29.95 1014.6
04 00:51 NE 12 G 22 10.00 Mostly Cloudy BKN021 39 37 39.9 37 93% 32 30 1016.4 0.05
03 23:51 NE 12 10.00 Overcast OVC019 39 37 93% 32 30.03 1017.4
03 22:51 NE 13 10.00 Overcast OVC022 37 36 96% 30 30.06 1018.5 0.05
03 21:51 E 13 10.00 Thunderstorm in Vicinity Light Rain OVC025 37.9 34 86% 31 30.08 1019.3
03 20:51 NE 12 G 23 10.00 Overcast SCT027 BKN035 OVC055 37.9 33.1 83% 31 30.09 1019.6
03 19:51 NE 15 10.00 Overcast OVC029 39 34 82% 31 30.13 1020.9
03 18:51 E 13 10.00 Mostly Cloudy BKN027 39 35.1 50 39 86% 32 30.11 1020.2
03 17:51 NE 13 G 25 10.00 Mostly Cloudy FEW020 SCT033 BKN044 39.9 36 86% 33 30.12 1020.5
03 16:51 NE 14 10.00 Overcast BKN018 OVC039 41 37 86% 34 30.13 1020.7
03 15:51 NE 14 G 21 10.00 Mostly Cloudy BKN021 43 37 80% 37 30.12 1020.3
03 14:51 NE 12 10.00 A Few Clouds FEW020 46 39.9 79% 41 30.1 1019.6
03 13:51 E 13 10.00 Overcast OVC021 48 41 77% 43 30.1 1019.2
03 12:51 Vrbl 6 10.00 Overcast OVC018 48.9 41 48.9 45 74% 47 30.09 1018.9
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)