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Impacts METAR Board
KMDW - Chicago/Midway Intl, IL, US
Updated at: 0900 UTC 18 Jan 2019
| Potential Impact | None | Slight | Moderate | High |
| Time | 17/21Z | 17/22Z | 17/23Z | 18/00Z | 18/01Z | 18/02Z | 18/03Z | 18/04Z | 18/05Z | 18/06Z | 18/07Z | 18/08Z | 18/09Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 35 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 32 | 32 |
| Dewpt | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 25 |
| Altim | 29.98 | 30.00 | 30.00 | 30.01 | 30.04 | 30.04 | 30.03 | 30.05 | 30.07 | 30.08 | 30.07 | 30.09 | 30.10 |
| VIS | 4 | 5 | 7 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 10 |
| CIG | 13 | 16 | 21 | 75 | 23 | 42 | 55 | 48 | 42 | 37 | 19 | 17 | 21 |
| Cover | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC |
| FltCat | MVFR | MVFR | MVFR | VFR | MVFR | VFR | VFR | VFR | VFR | VFR | MVFR | MVFR | MVFR |
| WX | BR | BR | -- | -- | -- | -SN | -- | -- | -- | -- | -- | -- | -- |
| WDir | 260 | 310 | 310 | 290 | 310 | 290 | 300 | 310 | 300 | 290 | 300 | 290 | 300 |
| WSpd | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 8 | 7 | 7 | 6 | 7 | 9 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KMDW 172053Z 26004KT 4SM BR BKN013 OVC028 02/M02 A2998 RMK AO2 SLP165 T00171017 56018KMDW 172153Z 31006KT 5SM BR BKN016 OVC022 02/M02 A3000 RMK AO2 SLP169 T00171017KMDW 172253Z 31007KT 7SM OVC021 02/M02 A3000 RMK AO2 SLP169 T00171022KMDW 172353Z 29008KT 10SM SCT025 OVC075 01/M03 A3001 RMK AO2 SLP175 4/001 T00111028 10022 20006 53010KMDW 180053Z 31008KT 9SM OVC023 01/M03 A3004 RMK AO2 SLP184 T00111028KMDW 180153Z 29007KT 9SM -SN FEW020 BKN042 OVC060 01/M03 A3004 RMK AO2 SNB50 SLP184 P0000 T00111028KMDW 180253Z 30006KT 9SM FEW017 FEW025 OVC055 01/M03 A3003 RMK AO2 SNE03 SLP181 P0000 60000 T00061028 50007KMDW 180353Z 31008KT 9SM FEW016 OVC048 01/M03 A3005 RMK AO2 SLP186 T00061028KMDW 180453Z 30007KT 9SM FEW016 BKN042 OVC045 01/M03 A3007 RMK AO2 SLP193 T00061028KMDW 180553Z 29007KT 8SM SCT016 SCT026 OVC037 00/M03 A3008 RMK AO2 SLP196 4/001 60000 T00001028 10017 20000 400221017 51014KMDW 180653Z 30006KT 8SM BKN019 OVC040 00/M03 A3007 RMK AO2 SLP193 T00001028KMDW 180753Z 29007KT 7SM BKN017 OVC022 00/M03 A3009 RMK AO2 SLP202 T00001033KMDW 180853Z 30009KT 10SM OVC021 00/M04 A3010 RMK AO2 SLP203 T00001039 53008