Weather observations for the past three days for
    Chicago/Waukegan Regional Airport
    | Date | Time (cst) | 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. | ||||||||||||||||
| 03 | 21:51 | W 9 | 16.09 | Fair | CLR | 7.8 | -3.9 | 44% | 6 | 76.73 | 1023.2 | ||||||
| 03 | 20:51 | W 6 | 16.09 | Fair | CLR | 6.1 | -3.9 | 49% | 76.73 | 1023.4 | |||||||
| 03 | 19:51 | W 9 | 16.09 | Fair | CLR | 10.6 | -4.4 | 35% | 76.68 | 1022.7 | |||||||
| 03 | 18:51 | W 13 | 16.09 | Fair | CLR | 10.6 | -4.4 | 35% | 76.66 | 1022.4 | |||||||
| 03 | 17:51 | W 13 | 16.09 | Fair | CLR | 11.7 | -5 | 16.1 | 11.7 | 31% | 76.61 | 1021.7 | |||||
| 03 | 16:51 | W 13 | 16.09 | Fair | CLR | 13.3 | -6.1 | 26% | 76.56 | 1020.7 | |||||||
| 03 | 15:51 | W 19 G 31 | 16.09 | Fair | CLR | 15 | -6.7 | 22% | 76.53 | 1020.2 | |||||||
| 03 | 14:51 | W 20 G 35 | 16.09 | Fair | CLR | 15.6 | -6.1 | 22% | 76.5 | 1019.9 | |||||||
| 03 | 13:51 | W 24 G 43 | 16.09 | Fair | CLR | 16.1 | -5.6 | 22% | 76.45 | 1019.4 | |||||||
| 03 | 12:51 | NW 15 G 39 | 16.09 | Fair | CLR | 15.6 | -3.9 | 26% | 76.48 | 1019.6 | |||||||
| 03 | 11:51 | W 26 G 37 | 16.09 | Fair | CLR | 14.4 | -2.8 | 14.4 | 5.6 | 31% | 76.5 | 1019.9 | |||||
| 03 | 10:51 | W 19 G 33 | 16.09 | Fair | CLR | 12.8 | 0 | 42% | 76.5 | 1020.2 | |||||||
| 03 | 09:51 | W 22 G 43 | 16.09 | Fair | CLR | 11.7 | 1.1 | 48% | 76.48 | 1020.0 | |||||||
| 03 | 08:51 | W 17 | 16.09 | Fair | CLR | 9.4 | 3.3 | 66% | 7 | 76.43 | 1019.2 | ||||||
| 03 | 07:51 | W 19 | 16.09 | Fair | CLR | 7.2 | 2.2 | 71% | 4 | 76.38 | 1018.7 | ||||||
| 03 | 06:51 | W 15 | 16.09 | Fair | CLR | 5.6 | 1.7 | 76% | 3 | 76.33 | 1018.0 | ||||||
| 03 | 05:51 | W 22 | 16.09 | Fair | CLR | 6.7 | 1.7 | 7.8 | 6.1 | 71% | 3 | 76.25 | 1017.1 | ||||
| 03 | 04:51 | W 20 G 41 | 16.09 | Overcast | FEW075 BKN095 OVC120 | 6.7 | 2.2 | 73% | 3 | 76.17 | 1016.1 | ||||||
| 03 | 03:51 | SW 24 | 16.09 | Overcast | OVC085 | 6.7 | 1.7 | 71% | 3 | 76.17 | 1015.9 | ||||||
| 03 | 02:51 | SW 24 | 16.09 | Partly Cloudy | SCT095 | 6.1 | 1.7 | 74% | 2 | 76.23 | 1016.6 | ||||||
| 03 | 01:51 | SW 26 G 37 | 16.09 | Overcast | FEW055 SCT095 OVC120 | 7.2 | 0.6 | 63% | 4 | 76.28 | 1017.3 | ||||||
| 03 | 00:51 | SW 28 G 44 | 16.09 | Fair | CLR | 7.2 | 0.6 | 63% | 3 | 76.33 | 1017.9 | ||||||
| 02 | 23:51 | SW 31 G 43 | 16.09 | Fair | CLR | 7.2 | 0 | 8.9 | 7.2 | 61% | 3 | 76.35 | 1018.3 | ||||
| 02 | 22:51 | SW 30 | 16.09 | Mostly Cloudy | BKN120 | 7.8 | 0 | 58% | 4 | 76.38 | 1018.4 | ||||||
| 02 | 21:51 | SW 26 | 16.09 | Mostly Cloudy | BKN120 | 7.8 | 0 | 58% | 4 | 76.38 | 1018.6 | ||||||
| 02 | 20:51 | SW 22 | 16.09 | Fair | CLR | 7.8 | -0.6 | 56% | 5 | 76.33 | 1018.1 | ||||||
| 02 | 19:51 | SW 20 | 16.09 | Fair | CLR | 7.2 | -1.1 | 56% | 4 | 76.38 | 1018.7 | ||||||
| 02 | 18:51 | SW 20 | 16.09 | Fair | CLR | 8.3 | -0.6 | 54% | 5 | 76.38 | 1019.0 | ||||||
| 02 | 17:51 | S 20 | 16.09 | Fair | CLR | 8.9 | 0 | 11.7 | 7.8 | 54% | 6 | 76.35 | 1018.5 | ||||
| 02 | 16:51 | SW 13 | 16.09 | Fair | CLR | 8.3 | 0 | 56% | 6 | 76.45 | 1020.0 | ||||||
| 02 | 15:51 | SW 26 | 16.09 | Fair | CLR | 9.4 | 0 | 52% | 6 | 76.43 | 1019.7 | ||||||
| 02 | 14:51 | SW 20 G 33 | 16.09 | Fair | CLR | 10.6 | 1.1 | 52% | 76.48 | 1020.0 | |||||||
| 02 | 13:51 | SW 24 | 16.09 | Mostly Cloudy | BKN045 | 10.6 | 1.7 | 54% | 76.5 | 1020.5 | |||||||
| 02 | 12:51 | SW 20 | 16.09 | Mostly Cloudy | BKN034 BKN048 | 11.1 | 2.8 | 57% | 76.56 | 1020.9 | |||||||
| 02 | 11:51 | S 17 | 16.09 | Mostly Cloudy | BKN024 | 10.6 | 4.4 | 11.1 | 0.6 | 66% | 76.61 | 1021.6 | |||||
| 02 | 10:51 | SW 13 | 16.09 | Mostly Cloudy | BKN024 | 10 | 5 | 71% | 8 | 76.66 | 1022.4 | ||||||
| 02 | 09:51 | S 17 | 16.09 | Partly Cloudy | SCT028 | 9.4 | 5.6 | 77% | 7 | 76.68 | 1022.9 | ||||||
| 02 | 08:51 | SW 11 | 16.09 | Partly Cloudy | SCT028 | 6.1 | 3.9 | 86% | 4 | 76.73 | 1023.6 | ||||||
| 02 | 07:51 | Calm | 16.09 | Fair | CLR | 5 | 3.3 | 89% | 76.71 | 1023.4 | |||||||
| 02 | 06:51 | Calm | 16.09 | Fair | CLR | 1.1 | 0.6 | 97% | 76.68 | 1023.3 | |||||||
| 02 | 05:51 | Vrbl 6 | 16.09 | Fair | CLR | 2.2 | 1.1 | 5.6 | 2.2 | 93% | 76.68 | 1023.2 | |||||
| 02 | 04:51 | NW 7 | 16.09 | A Few Clouds | FEW080 | 2.8 | 1.1 | 89% | 1 | 76.68 | 1023.1 | ||||||
| 02 | 03:51 | NW 6 | 16.09 | Partly Cloudy | FEW032 SCT042 | 2.8 | 1.7 | 93% | 76.66 | 1022.8 | |||||||
| 02 | 02:51 | W 7 | 16.09 | Mostly Cloudy | FEW035 BKN042 | 3.3 | 2.8 | 97% | 2 | 76.63 | 1022.2 | ||||||
| 02 | 01:51 | SW 7 | 16.09 | Overcast | OVC039 | 4.4 | 4.4 | 100% | 3 | 76.61 | 1021.9 | ||||||
| 02 | 01:51 | SW 7 | 16.09 | Overcast | OVC044 | 5 | 4.4 | 96% | 4 | 76.58 | 1021.4 | ||||||
| 02 | 00:51 | W 6 | 16.09 | Overcast | OVC045 | 5.6 | 5 | 6.1 | 5.6 | 96% | 76.56 | 1021.0 | 0.33 | ||||
| 01 | 23:51 | W 7 | 16.09 | Overcast | SCT023 BKN038 OVC085 | 5.6 | 5 | 96% | 4 | 76.56 | 1021.0 | 0.05 | |||||
| 01 | 22:51 | W 7 | 6.44 | Light Rain Fog/Mist | BKN019 OVC026 | 5.6 | 5.6 | 100% | 4 | 76.58 | 1021.4 | 0.15 | |||||
| 01 | 21:51 | Vrbl 6 | 16.09 | Overcast | SCT039 BKN048 OVC095 | 5.6 | 5 | 96% | 76.56 | 1021.1 | 0.13 | ||||||
| 01 | 20:51 | NW 6 | 16.09 | Overcast | SCT040 OVC047 | 5.6 | 5 | 96% | 76.53 | 1021.0 | 0.05 | ||||||
| 01 | 19:51 | NW 7 | 8.05 | Light Rain Fog/Mist | FEW017 BKN037 OVC044 | 6.1 | 5.6 | 97% | 5 | 76.53 | 1020.9 | 0.08 | |||||
| 01 | 18:51 | W 7 | 11.27 | Light Rain | FEW016 OVC032 | 6.1 | 5.6 | 11.1 | 6.1 | 97% | 5 | 76.5 | 1020.6 | ||||
| 01 | 17:51 | Vrbl 9 | 9.66 | Light Rain Fog/Mist | OVC040 | 6.7 | 4.4 | 85% | 5 | 76.45 | 1019.9 | ||||||
| 01 | 16:51 | N 13 | 16.09 | Overcast | OVC050 | 7.8 | 3.9 | 77% | 6 | 76.38 | 1018.8 | ||||||
| 01 | 15:51 | N 9 | 16.09 | Overcast | OVC055 | 8.3 | 3.3 | 71% | 7 | 76.33 | 1018.1 | ||||||
| 01 | 14:51 | N 11 | 16.09 | Overcast | FEW029 OVC060 | 8.9 | 2.8 | 66% | 7 | 76.3 | 1017.7 | ||||||
| 01 | 13:51 | N 13 | 16.09 | Overcast | BKN034 BKN046 OVC080 | 10 | 2.2 | 59% | 8 | 76.28 | 1017.4 | ||||||
| 01 | 12:51 | W 11 | 16.09 | Mostly Cloudy | BKN034 BKN080 BKN095 | 9.4 | 1.1 | 10 | 3.9 | 56% | 8 | 76.3 | 1017.5 | ||||
| 01 | 11:51 | Vrbl 11 | 16.09 | Partly Cloudy | FEW024 SCT080 | 9.4 | 1.1 | 56% | 8 | 76.3 | 1017.6 | ||||||
| 01 | 10:51 | W 17 | 16.09 | Mostly Cloudy | FEW024 BKN080 | 8.3 | 2.2 | 66% | 6 | 76.3 | 1017.8 | ||||||
| 01 | 09:51 | NW 9 | 16.09 | Mostly Cloudy | BKN075 | 7.2 | 2.2 | 71% | 6 | 76.28 | 1017.5 | ||||||
| 01 | 08:51 | W 7 | 16.09 | Overcast | OVC080 | 5.6 | 2.2 | 79% | 4 | 76.23 | 1016.9 | ||||||
| 01 | 07:51 | W 7 | 16.09 | Mostly Cloudy | BKN080 | 4.4 | 1.7 | 83% | 3 | 76.15 | 1015.8 | ||||||
| 01 | 06:51 | W 11 | 16.09 | Overcast | OVC080 | 5 | 1.7 | 6.7 | 4.4 | 79% | 3 | 76.12 | 1015.4 | ||||
| 01 | 05:51 | W 11 | 16.09 | Overcast | OVC080 | 4.4 | 1.1 | 79% | 2 | 76.1 | 1015.1 | ||||||
| 01 | 04:51 | W 7 | 16.09 | Overcast | OVC075 | 5 | 2.2 | 82% | 4 | 76.05 | 1014.5 | ||||||
| 01 | 03:51 | W 11 | 16.09 | Overcast | OVC070 | 5.6 | 1.7 | 76% | 3 | 76.02 | 1013.8 | ||||||
| 01 | 02:51 | W 9 | 16.09 | Overcast | OVC065 | 6.1 | 1.7 | 74% | 4 | 76 | 1013.3 | ||||||
| 01 | 01:51 | W 11 | 16.09 | Overcast | OVC065 | 6.1 | 1.7 | 74% | 4 | 75.97 | 1013.2 | ||||||
| 01 | 00:51 | W 13 | 16.09 | Overcast | FEW043 SCT050 OVC060 | 6.7 | 1.7 | 8.3 | 3.9 | 71% | 4 | 75.97 | 1013.1 | ||||
| 31 | 23:51 | W 13 | 16.09 | Overcast | OVC065 | 6.7 | 2.8 | 76% | 4 | 75.97 | 1013.2 | ||||||
| Date | Time (cst) | 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) | |||||||||||||||