KMDW - Chicago/Midway Intl, IL, US
| Potential Impact | None | Slight | Moderate | High |
| Time | 10/08Z | 10/09Z | 10/10Z | 10/11Z | 10/12Z | 10/13Z | 10/14Z | 10/15Z | 10/16Z | 10/17Z | 10/18Z | 10/19Z | 10/20Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 72 | 72 | 74 | 75 | 77 | 80 | 83 | 85 | 86 | 88 | 88 | 90 | 90 |
| Dewpt | 68 | 69 | 70 | 71 | 71 | 72 | 73 | 73 | 74 | 75 | 74 | 75 | 73 |
| Altim | 1010.2 | 1009.9 | 1009.9 | 1009.6 | 1009.6 | 1008.9 | 1008.5 | 1008.5 | 1008.5 | 1007.9 | 1006.9 | 1006.5 | 1005.8 |
| VIS | 8 | 8 | 10+ | 9 | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ | 10+ |
| CIG | -- | -- | -- | -- | -- | -- | 25000 | 25000 | 2700 | 3600 | 3300 | 25000 | 5000 |
| Cover | CLR | CLR | SCT | SCT | FEW | FEW | BKN | BKN | BKN | BKN | BKN | BKN | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | MVFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 0 | VRB | 180 | 190 | 190 | 210 | 230 | 240 | 230 | 240 | 210 | 210 | 200 |
| WSpd | 0 | 3 | 4 | 6 | 8 | 13 | 13 | 14 | 10 | 13 | 14 | 15 | 15 |
| WGst | -- | -- | -- | -- | -- | -- | 20 | -- | -- | 18 | 21 | 28 | 27 |
METAR KMDW 100753Z 00000KT 8SM CLR 22/20 A2983 RMK AO2 SLP089 T02220200
METAR KMDW 100853Z VRB03KT 8SM CLR 22/21 A2982 RMK AO2 SLP086 T02220206 58010
METAR KMDW 100953Z 18004KT 10SM SCT045 23/21 A2982 RMK AO2 SLP085 T02330211
METAR KMDW 101053Z 19006KT 9SM FEW045 SCT060 24/22 A2981 RMK AO2 SLP083 T02390217
METAR KMDW 101153Z 19008KT 10SM FEW060 25/22 A2981 RMK AO2 SLP082 T02500217 10250 20222 58003
METAR KMDW 101253Z 21013KT 10SM FEW050 FEW250 27/22 A2979 RMK AO2 SLP076 T02670222
METAR KMDW 101353Z 23013G20KT 10SM BKN250 28/23 A2978 RMK AO2 SLP071 T02830228
METAR KMDW 101453Z 24014KT 10SM FEW025 BKN250 29/23 A2978 RMK AO2 SLP071 T02940228 56010
METAR KMDW 101553Z 23010KT 10SM BKN027 BKN036 BKN250 30/23 A2978 RMK AO2 SLP072 T03000233
METAR KMDW 101653Z 24013G18KT 10SM FEW029 BKN036 BKN050 BKN250 31/24 A2976 RMK AO2 SLP065 T03110239
METAR KMDW 101753Z 21014G21KT 10SM BKN033 BKN250 31/23 A2973 RMK AO2 SLP055 T03110233 10317 20250 58016
METAR KMDW 101853Z 21015G28KT 10SM SCT035 SCT200 BKN250 32/24 A2972 RMK AO2 PK WND 19028/1851 SLP053 T03220239
METAR KMDW 101953Z 20015G27KT 10SM SCT041 BKN050 BKN250 32/23 A2970 RMK AO2 PK WND 18032/1931 SLP045 T03220228