| 11:51 CST |  Overcast Hazy | 1°C / 34°F | -3°C / 27°F | 75% | 1017 mb (30.03 in) | SE 20 kph (SE 12.7 mph) | - | 5SM |
| | KMDW 081751Z 12011KT 5SM HZ FEW017 SCT050 OVC090 01/M03 A3003 RMK AO2 SLP182 4/001 6//// T00061028 10006 21022 |
| 10:51 CST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1019 mb (30.09 in) | E 17 kph (E 10.4 mph) | 0.00 mm (0.00 in) | 5SM |
| | KMDW 081651Z 09009KT 5SM BR BKN048 OVC120 M01/M03 A3009 RMK AO2 SNE1559 PRESFR SLP203 P0000 T10061028 |
| 10:05 CST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1021 mb (30.15 in) | ESE 15 kph (ESE 9.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KMDW 081605Z 11008KT 3SM BR FEW006 SCT011 OVC044 M01/M03 A3015 RMK AO2 SNE1559 P0000 $ |
| 09:51 CST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1021 mb (30.15 in) | ESE 13 kph (ESE 8.1 mph) | 0.25 mm (0.01 in) | 2SM |
| | KMDW 081551Z 11007KT 2SM -SN BR SCT006 BKN011 OVC042 M01/M03 A3016 RMK AO2 SLP225 P0001 T10111028 $ |
| 09:44 CST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1021 mb (30.15 in) | SE 15 kph (SE 9.2 mph) | 0.25 mm (0.01 in) | 1SM |
| | KMDW 081544Z 12008KT 1SM -SN BR BKN006 OVC011 M01/M03 A3016 RMK AO2 P0001 RVRNO $ |
| 08:51 CST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1022 mb (30.18 in) | SE 11 kph (SE 6.9 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KMDW 081451Z 13006KT 3/4SM -SN BR BKN008 OVC013 M01/M03 A3019 RMK AO2 SNB07 SLP237 P0001 60004 T10111028 RVRNO $ |
| 08:21 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1022 mb (30.18 in) | SE 11 kph (SE 6.9 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KMDW 081421Z 12006KT 3/4SM -SN BR BKN008 BKN016 OVC025 M02/M03 A3019 RMK AO2 SNB07 P0001 RVRNO |
| 07:51 CST |  Obscured Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1022 mb (30.18 in) | SE 9 kph (SE 5.8 mph) | 0.51 mm (0.02 in) | 1/2SM |
| | KMDW 081351Z 12005KT 1/2SM SN FZFG VV006 M02/M03 A3019 RMK AO2 SLP237 P0002 T10171028 RVRNO $ |
| 07:41 CST |  Obscured Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | SE 11 kph (SE 6.9 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KMDW 081341Z 14006KT 1/2SM SN FZFG VV008 M02/M03 A3020 RMK AO2 P0001 RVRNO $ |
| 07:23 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | SSE 9 kph (SSE 5.8 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KMDW 081323Z 15005KT 3/4SM -SN BR SCT008 BKN011 OVC028 M02/M03 A3020 RMK AO2 P0001 RVRNO $ |
| 06:51 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | ESE 6 kph (ESE 3.5 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KMDW 081251Z 11003KT 1 1/2SM -SN BR SCT008 BKN022 OVC037 M02/M03 A3021 RMK AO2 SLP241 P0001 T10171033 $ |
| 06:41 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | SE 6 kph (SE 3.5 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KMDW 081241Z 13003KT 1 1/2SM -SN BR FEW008 BKN022 OVC040 M02/M03 A3021 RMK AO2 P0001 $ |
| 05:51 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KMDW 081151Z 10004KT 1 1/4SM -SN BR BKN024 OVC042 M02/M03 A3023 RMK AO2 SLP249 P0001 60001 70002 T10221033 11017 21022 58019 $ |
| 05:32 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1024 mb (30.24 in) | Calm | 0.25 mm (0.01 in) | 1 1/2SM |
| | KMDW 081132Z 00000KT 1 1/2SM -SN BR OVC019 M02/M03 A3024 RMK AO2 P0001 $ |
| 05:04 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 1 1/2SM |
| | KMDW 081104Z 00000KT 1 1/2SM -SN BR BKN012 OVC017 M02/M04 A3024 RMK AO2 P0000 $ |
| 04:51 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KMDW 081051Z 00000KT 2SM -SN BR BKN018 OVC029 M02/M04 A3025 RMK AO2 SLP256 P0000 T10221039 $ |
| 04:47 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KMDW 081047Z 00000KT 2SM -SN BR OVC029 M02/M04 A3025 RMK AO2 P0000 $ |
| 03:51 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb (30.27 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KMDW 080951Z 00000KT 4SM -SN BKN039 OVC055 M02/M04 A3027 RMK AO2 SNB23 SLP262 P0000 T10171044 $ |
| 03:45 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb (30.27 in) | NNW 6 kph (NNW 3.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KMDW 080945Z 34003KT 3SM -SN SCT027 OVC039 M02/M04 A3027 RMK AO2 SNB23 P0000 $ |
| 02:51 CST |  Overcast Hazy | -2°C / 28°F | -5°C / 23°F | 80% | 1025 mb (30.27 in) | Calm | - | 5SM |
| | KMDW 080851Z 00000KT 5SM HZ OVC027 M02/M05 A3028 RMK AO2 SLP267 T10221050 53004 $ |
| 02:29 CST |  Overcast Hazy | -2°C / 28°F | -5°C / 23°F | 80% | 1025 mb (30.27 in) | Calm | - | 6SM |
| | KMDW 080829Z 00000KT 6SM HZ BKN029 OVC080 M02/M05 A3028 RMK AO2 |
| 01:51 CST |  Overcast Hazy | -2°C / 28°F | -5°C / 23°F | 80% | 1025 mb (30.27 in) | N 6 kph (N 3.5 mph) | - | 6SM |
| | KMDW 080751Z 35003KT 6SM HZ OVC100 M02/M05 A3026 RMK AO2 SLP261 T10221050 |
| 00:51 CST |  Overcast Hazy | -2°C / 28°F | -5°C / 23°F | 80% | 1025 mb (30.27 in) | N 7 kph (N 4.6 mph) | - | 5SM |
| | KMDW 080651Z 35004KT 5SM HZ OVC110 M02/M05 A3026 RMK AO2 SLP259 T10221050 |