KMDW - Chicago/Midway Intl, IL, US
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/15Z | 21/16Z | 21/17Z | 21/18Z | 21/19Z | 21/20Z | 21/21Z | 21/22Z | 21/23Z | 22/ 0Z | 22/ 1Z | 22/ 2Z | 22/ 3Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 32 | 31 | 32 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 39 | 40 | 40 |
| Dewpt | 25 | 27 | 29 | 30 | 30 | 32 | 33 | 34 | 34 | 34 | 35 | 35 | 34 |
| Altim | 29.69 | 29.66 | 29.65 | 29.63 | 29.60 | 29.61 | 29.63 | 29.66 | 29.69 | 29.74 | 29.79 | 29.83 | 29.86 |
| VIS | 1.5 | 0.5 | 0.5 | 0.5 | 1.75 | 3 | 7 | 3 | 6 | 10 | 10 | 7 | 9 |
| CIG | 19 | 6 | 6 | 8 | 12 | 12 | 12 | 13 | 17 | 17 | 23 | 31 | 30 |
| Cover | OVC | OVX | OVX | OVX | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC |
| FltCat | IFR | LIFR | LIFR | LIFR | IFR | MVFR | MVFR | MVFR | MVFR | MVFR | MVFR | VFR | MVFR |
| WX | -SN BR | SN BR | SN FG | SN FG | -SN BR | -SN BR | -DZ | -RA -SN BR | -RA BR | -- | -RA | -RA | -RA |
| WDir | 270 | 250 | 260 | 280 | 280 | 290 | 300 | 310 | 320 | 330 | 340 | 350 | 330 |
| WSpd | 16 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 21 | 19 | 16 | 14 | 10 |
| WGst | 24 | 20 | -- | 27 | 26 | 25 | 25 | 24 | 31 | -- | 23 | -- | -- |
KMDW 211455Z 27016G24KT 1 1/2SM -SN BR BKN019 OVC024 00/M04 A2969 RMK AO2 P0000 T00001039
KMDW 211553Z 25014G20KT 1/2SM R31C/2200FT SN BR VV006 M01/M03 A2966 RMK AO2 SLP053 P0001 T10061028
KMDW 211653Z 26014KT 1/2SM R31C/2600V2800FT SN FG VV006 00/M02 A2965 RMK AO2 SLP052 SNINCR 1/1 P0003 T00001017
KMDW 211753Z 28013G27KT 1/2SM R31C/3500V4500FT SN FG VV008 01/M01 A2963 RMK AO2 PK WND 25027/1744 SLP044 SNINCR 1/2 4/002 P0002 60006 T00111011 10011 21006 56019
KMDW 211853Z 28013G26KT 1 3/4SM -SN BR FEW007 BKN012 OVC016 02/M01 A2960 RMK AO2 PK WND 28028/1835 SLP034 P0000 T00171011
KMDW 211948Z 29014G25KT 3SM -SN BR BKN012 OVC019 02/00 A2961 RMK AO2 PK WND 27030/1859 SLP035 P0000 T00220000
KMDW 212053Z 30015G25KT 7SM -DZ OVC012 03/01 A2963 RMK AO2 PK WND 30026/2043 SLP043 DZB42SNE42 P0000 60000 T00280006 55001
KMDW 212153Z 31015G24KT 3SM -RASN BR OVC013 03/01 A2966 RMK AO2 DZE15RAB15SNB46 SLP054 P0000 T00330011
KMDW 212253Z 32021G31KT 6SM -RA BR BKN017 OVC025 04/01 A2969 RMK AO2 PK WND 32033/2241 SNE19 SLP063 P0001 T00390011
KMDW 212353Z 33019KT 10SM BKN017 BKN023 OVC033 04/01 A2974 RMK AO2 PK WND 32033/2254 RAE31 SLP081 4/001 P0000 60001 T00440011 10044 20011 53038
KMDW 220053Z 34016G23KT 10SM -RA SCT017 BKN023 OVC035 04/02 A2979 RMK AO2 PK WND 34032/2356 RAB04 SLP097 P0001 T00390017
KMDW 220153Z 35014KT 7SM -RA SCT024 OVC031 04/02 A2983 RMK AO2 SLP111 P0001 T00440017
KMDW 220253Z 33010KT 9SM -RA SCT018 BKN030 OVC050 04/01 A2986 RMK AO2 SLP119 P0000 60002 T00440011 51038