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.
05 09:51 NW 22 G 41 16.09 Mostly Cloudy BKN032 3.3 -3.9 60% -1 76.48 1020.4
05 08:51 W 20 G 43 16.09 Mostly Cloudy SCT030 BKN036 2.8 -3.9 62% -1 76.38 1019.2
05 07:51 NW 24 G 46 16.09 Overcast OVC033 2.8 -3.3 65% -2 76.33 1018.4
05 06:51 W 19 G 33 16.09 Overcast SCT027 OVC036 2.8 -1.7 3.9 2.8 73% -1 76.23 1017.1
05 05:51 W 24 G 39 16.09 Overcast OVC040 2.8 -1.7 73% -2 76.17 1016.2
05 04:51 W 24 G 41 16.09 Overcast OVC049 3.3 -2.2 68% -1 76.12 1015.6
05 03:51 W 22 G 39 16.09 Overcast OVC050 3.3 -1.7 70% -1 76.07 1014.9
05 02:51 W 24 G 39 16.09 Overcast OVC050 3.9 -1.7 67% -0 76.05 1014.5
05 01:51 W 20 G 35 16.09 Fair CLR 3.9 -2.8 62% 0 76.05 1014.4
05 00:51 W 20 G 39 16.09 A Few Clouds FEW049 3.9 -2.8 6.1 3.9 62% 0 76.02 1014.2
04 23:51 W 24 G 41 16.09 Overcast OVC039 4.4 -1.1 68% 0 76.02 1013.8
04 22:51 W 26 G 43 16.09 Overcast BKN034 OVC050 4.4 -0.6 70% 0 76 1013.6
04 21:51 W 17 G 43 16.09 Overcast SCT043 OVC055 4.4 -1.1 68% 1 76 1013.6
04 20:51 W 19 G 44 16.09 Mostly Cloudy BKN049 5 -1.7 62% 2 76 1013.6
04 19:51 W 30 G 57 14.48 Light Rain SCT025 BKN034 OVC042 4.4 1.1 79% -0 75.95 1013.1
04 18:51 W 39 G 57 16.09 Overcast and Breezy OVC036 6.1 0.6 9.4 6.1 68% 1 75.92 1012.6
04 17:51 W 22 G 46 16.09 Overcast FEW024 OVC032 6.7 1.1 68% 3 75.87 1012.2
04 16:51 W 22 G 48 16.09 Overcast OVC026 7.2 2.8 74% 4 75.82 1011.4
04 15:51 W 26 G 44 16.09 Overcast OVC021 8.9 3.9 71% 6 75.77 1010.5
04 14:51 W 22 G 44 16.09 Mostly Cloudy BKN018 8.9 5 77% 6 75.74 1010.2
04 13:51 W 24 G 41 16.09 Overcast OVC012 8.3 6.1 86% 5 75.74 1010.3
04 12:51 W 24 G 46 16.09 Overcast OVC009 8.3 7.2 10.6 5.6 93% 5 75.72 1010.1 0.03
04 11:51 W 28 G 48 16.09 Overcast OVC011 9.4 7.2 86% 6 75.67 1009.3
04 10:51 W 24 G 39 16.09 Overcast BKN005 OVC010 10 9.4 96% 7 75.67 1009.3
04 09:51 W 24 G 35 2.41 Fog/Mist OVC002 10 10 100% 7 75.62 1008.7 0.03
04 08:51 SW 11 6.44 Fog/Mist OVC002 8.3 8.3 100% 7 75.62 1008.7
04 07:51 SE 9 2.41 Light Rain Fog/Mist OVC002 6.7 6.7 100% 5 75.67 1009.4 0.03
04 06:51 E 9 4.83 Light Rain Fog/Mist OVC002 6.1 6.1 6.1 3.9 100% 4 75.72 1010.1 1.5
04 05:51 NE 15 2.41 Fog/Mist OVC002 5.6 5.6 100% 3 75.77 1010.7 0.03
04 04:51 NE 13 11.27 Light Rain OVC003 5.6 5.6 100% 3 75.9 1012.5 0.2
04 03:51 E 17 12.87 Overcast OVC002 5.6 5 96% 3 75.87 1011.9 0.71 1.27
04 02:51 N 17 G 41 4.02 Thunderstorm Rain Fog/Mist BKN006 OVC010 5 4.4 96% 2 76.05 1014.4 0.56
04 01:51 NE 19 G 31 16.09 Light Rain OVC012 4.4 3.3 93% 1 76.07 1014.6
04 00:51 NE 19 G 35 16.09 Mostly Cloudy BKN021 3.9 2.8 4.4 2.8 93% 0 76.2 1016.4 0.13
03 23:51 NE 19 16.09 Overcast OVC019 3.9 2.8 93% 0 76.28 1017.4
03 22:51 NE 20 16.09 Overcast OVC022 2.8 2.2 96% -1 76.35 1018.5 0.13
03 21:51 E 20 16.09 Thunderstorm in Vicinity Light Rain OVC025 3.3 1.1 86% -1 76.4 1019.3
03 20:51 NE 19 G 37 16.09 Overcast SCT027 BKN035 OVC055 3.3 0.6 83% -1 76.43 1019.6
03 19:51 NE 24 16.09 Overcast OVC029 3.9 1.1 82% -0 76.53 1020.9
03 18:51 E 20 16.09 Mostly Cloudy BKN027 3.9 1.7 10 3.9 86% 0 76.48 1020.2
03 17:51 NE 20 G 41 16.09 Mostly Cloudy FEW020 SCT033 BKN044 4.4 2.2 86% 1 76.5 1020.5
03 16:51 NE 22 16.09 Overcast BKN018 OVC039 5 2.8 86% 1 76.53 1020.7
03 15:51 NE 22 G 33 16.09 Mostly Cloudy BKN021 6.1 2.8 80% 3 76.5 1020.3
03 14:51 NE 19 16.09 A Few Clouds FEW020 7.8 4.4 79% 5 76.45 1019.6
03 13:51 E 20 16.09 Overcast OVC021 8.9 5 77% 6 76.45 1019.2
03 12:51 Vrbl 9 16.09 Overcast OVC018 9.4 5 9.4 7.2 74% 8 76.43 1018.9
03 11:51 NW 7 16.09 Overcast OVC015 8.3 4.4 77% 7 76.4 1018.5
03 10:51 W 13 16.09 Overcast OVC014 7.8 4.4 79% 6 76.4 1018.6
03 09:51 W 15 16.09 Overcast OVC013 7.2 4.4 83% 5 76.33 1017.6
03 08:51 W 13 16.09 Overcast OVC014 7.2 4.4 83% 5 76.28 1016.7
03 07:51 W 15 16.09 Overcast OVC014 7.2 5 86% 5 76.2 1015.8
03 06:51 W 13 16.09 Overcast OVC015 7.8 5 15.6 7.8 83% 6 76.1 1014.2
03 03:51 W 17 G 43 16.09 Overcast OVC013 10 7.8 86% 8 75.79 1010.6
03 00:51 SW 17 16.09 Overcast SCT019 BKN025 OVC038 15.6 13.3 20 15 86% 75.49 1006.5 0.41
02 23:51 SW 30 16.09 Fair CLR 15.6 13.9 90% 75.39 1005.3
02 22:51 SW 22 16.09 Partly Cloudy FEW048 SCT070 15.6 13.9 90% 75.31 1004.4
02 21:51 SW 17 16.09 Light Rain BKN039 BKN047 OVC070 16.1 15 93% 75.34 1004.4 0.36 0.41
02 20:51 SW 31 G 43 16.09 Thunderstorm in Vicinity Light Rain SCT026 BKN090 OVC110 18.9 16.1 84% 75.29 1003.6 0.05
02 19:51 S 33 G 59 16.09 Partly Cloudy and Breezy SCT030 19.4 16.1 81% 75.18 1002.3
02 18:51 S 26 G 48 16.09 Overcast BKN030 BKN035 OVC049 20 16.1 20 7.8 78% 75.21 1002.7 0.91
02 17:51 S 43 G 59 16.09 Mostly Cloudy and Windy SCT028 BKN033 BKN085 20 16.1 78% 75.21 1002.6 0.08
02 16:51 SW 33 G 46 4.02 Thunderstorm Rain Fog/Mist and Breezy SCT023 BKN037 OVC050 17.8 16.7 93% 75.26 1003.5 0.64
02 15:51 SE 15 4.83 Light Rain Fog/Mist SCT029 BKN040 OVC075 12.2 12.2 100% 75.23 1003.5 0.08 0.2
02 14:51 SE 13 4.02 Fog/Mist OVC001 10 9.4 96% 8 75.34 1004.9 0.13
02 13:51 SE 15 0.80 Light Rain Fog VV002 7.8 7.8 100% 6 75.44 1006.5
02 12:51 SE 9 0.40 Fog VV002 5.6 5.6 5.6 2.2 100% 4 75.57 1008.2 0.94
02 11:51 E 13 0.80 Light Rain Fog VV002 4.4 4.4 100% 2 75.67 1009.5 0.1
02 10:51 E 15 G 35 1.61 Rain Fog/Mist VV002 3.3 3.3 100% 0 75.74 1010.7 0.38
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)